Best O2 Data Sim Card Preloaded of 2026

Last updated on 13/07/2026
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
ElectronicsHome & KitchenComputersOffice SuppliesToys & GamesSports & Fitness
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
Three Unlimited Data SIM Card – for Portable WiFi, Routers & Phones – Preloaded Until July 2027 – Dual Network (Three & Vodafone) Stronger Coverage
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Three Unlimited Data SIM Card – for Portable WiFi, Routers & Phones – Preloaded Until July 2027 – Dual Network (Three & Vodafone) Stronger Coverage

Scancom
Why we love it
  • Unlimited data until 2027.
  • Effortless 4G and 5G connectivity.
  • No contracts or recurring fees.
Main Highlights
  • DUAL NETWORK - Automatic access to both Three & Vodafone networks. Disclaimer - Coverage provided via MOCN, a multi-operator core network, in selected geographical areas. Please check coverage availability before purchase.
  • MONTHLY DATA RENEWAL - Unlimited Data until 8th July 2027 for a one-off payment.
  • EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED SUPPORT - Gain peace of mind with our dedicated customer support, ready to assist you whenever needed.
  • NO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming. There is a fair use policy of 1000GB per month.
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via support@scancom.co.uk
  • This item is tailored for business customers. If your order is not in the name of company / non-profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.
Show More
9.8
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.8
Exceptional
Scancom

Three Unlimited Data SIM Card – for Portable WiFi, Routers & Phones – Preloaded Until July 2027 – Dual Network (Three & Vodafone) Stronger Coverage

Why we love it
  • Unlimited data until 2027.
  • Effortless 4G and 5G connectivity.
  • No contracts or recurring fees.
Main Highlights
  • DUAL NETWORK - Automatic access to both Three & Vodafone networks. Disclaimer - Coverage provided via MOCN, a multi-operator core network, in selected geographical areas. Please check coverage availability before purchase.
  • MONTHLY DATA RENEWAL - Unlimited Data until 8th July 2027 for a one-off payment.
  • EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED SUPPORT - Gain peace of mind with our dedicated customer support, ready to assist you whenever needed.
  • NO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming. There is a fair use policy of 1000GB per month.
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via support@scancom.co.uk
  • This item is tailored for business customers. If your order is not in the name of company / non-profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.
Show More
Value for Money
2
O2 Unlimited Data SIM - Preloaded for 6 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

O2 Unlimited Data SIM - Preloaded for 6 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones

Scancom
Why we love it
  • Easy anytime activation process.
  • Renewable data for longer use.
  • Compatible with various devices.
Main Highlights
  • ANYTIME ACTIVATION - Activate your Sim by scanning the supplied QR Code and enjoy 6 months of 4G & 5G data. We will activate your sim within 1 business day.
  • DATA RENEWAL OPTION - Extend your data usage beyond the initial term with the option to renew at the end, ensuring continuous connectivity without interruption.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT - For any connection queries, our customer support team at Scancom is ready to assist you. Please contact support@scancom.co.uk
  • ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance. This Sim card does not support calls, texts, or roaming.
  • *Breach of fair usage policy: Data usage where users regularly tether to 12 or more devices or have used 600GB of data twice within a 6-month period. This includes fraudulent, abusive, illegal, nuisance, or outside normal commercial practice usage.
Show More
9.7
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.7
Exceptional
Scancom

O2 Unlimited Data SIM - Preloaded for 6 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones

Why we love it
  • Easy anytime activation process.
  • Renewable data for longer use.
  • Compatible with various devices.
Main Highlights
  • ANYTIME ACTIVATION - Activate your Sim by scanning the supplied QR Code and enjoy 6 months of 4G & 5G data. We will activate your sim within 1 business day.
  • DATA RENEWAL OPTION - Extend your data usage beyond the initial term with the option to renew at the end, ensuring continuous connectivity without interruption.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT - For any connection queries, our customer support team at Scancom is ready to assist you. Please contact support@scancom.co.uk
  • ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance. This Sim card does not support calls, texts, or roaming.
  • *Breach of fair usage policy: Data usage where users regularly tether to 12 or more devices or have used 600GB of data twice within a 6-month period. This includes fraudulent, abusive, illegal, nuisance, or outside normal commercial practice usage.
Show More
3
EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones

Scancom
Why we love it
  • Unlimited Data until 2027.
  • Effortless Plug & Play Setup.
  • Reliable EE Network Connectivity.
Main Highlights
  • PRELOADED DATA - Unlimited Data until 8th OCTOBER 2027
  • EFFORTLESS PLUG & PLAY - Experience seamless 4G & 5G connectivity, no initial setup is required.
  • UNMATCHED EE NETWORK RELIABILITY - Depend on the UK's leading network for consistent business connectivity.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance; EE reserve the right to suspend the sim if the allowance is exceeded. This Sim card does not support calls, texts, or roaming.
  • This item is tailored for business customers. If your order is not in the name of company / non profit or an Amazon business customer , by purchasing, you consent to being listed as a business customer with Scancom Distribution Ltd
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at support@scancom.co.uk with the sim number and Amazon order reference.
Show More
9.6
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.6
Superb
Scancom

EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones

Why we love it
  • Unlimited Data until 2027.
  • Effortless Plug & Play Setup.
  • Reliable EE Network Connectivity.
Main Highlights
  • PRELOADED DATA - Unlimited Data until 8th OCTOBER 2027
  • EFFORTLESS PLUG & PLAY - Experience seamless 4G & 5G connectivity, no initial setup is required.
  • UNMATCHED EE NETWORK RELIABILITY - Depend on the UK's leading network for consistent business connectivity.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance; EE reserve the right to suspend the sim if the allowance is exceeded. This Sim card does not support calls, texts, or roaming.
  • This item is tailored for business customers. If your order is not in the name of company / non profit or an Amazon business customer , by purchasing, you consent to being listed as a business customer with Scancom Distribution Ltd
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at support@scancom.co.uk with the sim number and Amazon order reference.
Show More
4
O2 Unlimited Data SIM - Preloaded for 2 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

O2 Unlimited Data SIM - Preloaded for 2 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones

Scancom
Why we love it
  • Anytime activation within 1 day.
  • Zero contracts or recurring fees.
  • Universal device compatibility guaranteed.
Main Highlights
  • ANYTIME ACTIVATION - Activate your Sim by scanning the supplied QR Code and enjoy 2 months of 4G & 5G data. We will activate your sim within 1 business day.
  • DATA RENEWAL OPTION - Extend your data usage beyond the initial term with the option to renew at the end, ensuring continuous connectivity without interruption.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT - For any connection queries, our customer support team at Scancom is ready to assist you. Please contact support@scancom.co.uk
  • ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance. This Sim card does not support calls, texts, or roaming.
  • *Breach of fair usage policy: Data usage where users regularly tether to 12 or more devices or have used 600GB of data twice within a 6-month period. This includes fraudulent, abusive, illegal, nuisance, or outside normal commercial practice usage.
Show More
9.4
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.4
Superb
Scancom

O2 Unlimited Data SIM - Preloaded for 2 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones

Why we love it
  • Anytime activation within 1 day.
  • Zero contracts or recurring fees.
  • Universal device compatibility guaranteed.
Main Highlights
  • ANYTIME ACTIVATION - Activate your Sim by scanning the supplied QR Code and enjoy 2 months of 4G & 5G data. We will activate your sim within 1 business day.
  • DATA RENEWAL OPTION - Extend your data usage beyond the initial term with the option to renew at the end, ensuring continuous connectivity without interruption.
  • UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT - For any connection queries, our customer support team at Scancom is ready to assist you. Please contact support@scancom.co.uk
  • ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
  • VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
  • EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance. This Sim card does not support calls, texts, or roaming.
  • *Breach of fair usage policy: Data usage where users regularly tether to 12 or more devices or have used 600GB of data twice within a 6-month period. This includes fraudulent, abusive, illegal, nuisance, or outside normal commercial practice usage.
Show More
5
Multi-Network Data Sim - One-off Data Allowance for 12 months - Automatically Connects to EE, Three, O2 or Vodafone (10GB)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Multi-Network Data Sim - One-off Data Allowance for 12 months - Automatically Connects to EE, Three, O2 or Vodafone (10GB)

Scancom
Why we love it
  • Provides best possible signal strength.
  • Features one-off Data Bucket.
  • Ideal for UK Data only.
Main Highlights
  • 4 NETWORKS, 1 SIM - The sim is preloaded with O2, Vodafone, EE & Three data, and will select the most reliable network based on the location in use.
  • 2 STEP CONFIGURATION – Step 1: Enable data roaming on your device. Step 2: enter the APN Name: gigsky-02
  • RENEW UPON EXPIRY – Please top-up your Sim card on our Scancom website after 12 months or when your data runs out.
  • CUSTOMISED DATA PLAN – Select your one-time data allowance for 12 months, ensuring flexibility without monthly renewal concerns.
  • B2B PORTAL ACCESS - For 3+ sims, please email support@scancom.co.uk and we’ll set up portal access for monitoring usage, location, and connectivity details.
  • OPTIMISED DATA – Great for low-power and solar-powered devices such as solar dongles, inverters IoT systems, GPS trackers, and environmental PV monitoring, ensuring efficient energy usage and extended uptime.
  • DEDICATED CUSTOMER SUPPORT – For all connection and usage concerns, contact our dedicated support team at support@scancom.co.uk
  • BROAD NETWORK COMPATIBILITY - Our Sim is equipped to support a range of network speeds, including 2G, 4G, and 5G, ensuring a seamless online experience that matches your requirements.
  • EXCLUSIVE UK DATA – Preloaded with quad-band UK data only without roaming, calls, or texts.
Show More
9.2
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.2
Superb
Scancom

Multi-Network Data Sim - One-off Data Allowance for 12 months - Automatically Connects to EE, Three, O2 or Vodafone (10GB)

Why we love it
  • Provides best possible signal strength.
  • Features one-off Data Bucket.
  • Ideal for UK Data only.
Main Highlights
  • 4 NETWORKS, 1 SIM - The sim is preloaded with O2, Vodafone, EE & Three data, and will select the most reliable network based on the location in use.
  • 2 STEP CONFIGURATION – Step 1: Enable data roaming on your device. Step 2: enter the APN Name: gigsky-02
  • RENEW UPON EXPIRY – Please top-up your Sim card on our Scancom website after 12 months or when your data runs out.
  • CUSTOMISED DATA PLAN – Select your one-time data allowance for 12 months, ensuring flexibility without monthly renewal concerns.
  • B2B PORTAL ACCESS - For 3+ sims, please email support@scancom.co.uk and we’ll set up portal access for monitoring usage, location, and connectivity details.
  • OPTIMISED DATA – Great for low-power and solar-powered devices such as solar dongles, inverters IoT systems, GPS trackers, and environmental PV monitoring, ensuring efficient energy usage and extended uptime.
  • DEDICATED CUSTOMER SUPPORT – For all connection and usage concerns, contact our dedicated support team at support@scancom.co.uk
  • BROAD NETWORK COMPATIBILITY - Our Sim is equipped to support a range of network speeds, including 2G, 4G, and 5G, ensuring a seamless online experience that matches your requirements.
  • EXCLUSIVE UK DATA – Preloaded with quad-band UK data only without roaming, calls, or texts.
Show More
Advertisement
6
Multi-Network Data SIM - Monthly Auto-Renew (24 Months) - Preloaded with EE, Three, O2 & Vodafone
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Multi-Network Data SIM - Monthly Auto-Renew (24 Months) - Preloaded with EE, Three, O2 & Vodafone

Scancom
Why we love it
  • Automatic monthly data renewal.
  • Easy two-step configuration process.
  • Access to dedicated customer support.
Main Highlights
  • MONTHLY DATA PLAN – 500MB automatically renewed every month for 24 months perfect for IoT Devices
  • 2 STEP CONFIGURATION – Step 1: Enable data roaming on your device. Step 2: enter the APN Name: gigsky-02
  • RENEW UPON EXPIRY – Please top-up your Sim card on our Scancom website after 12 months or when your data runs out.
  • 4 NETWORKS, 1 SIM - The sim is preloaded with O2, Vodafone, EE & Three data, and will select the most reliable network based on the location in use.
  • B2B PORTAL ACCESS - For 3+ sims, please email support@scancom.co.uk and we’ll set up portal access for monitoring usage, location, and connectivity details.
  • OPTIMISED CONNECTIVITY - Designed for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT – For all connection and usage concerns, contact our dedicated support team at support@scancom.co.uk
  • BROAD NETWORK COMPATIBILITY - Our Sim is equipped to support a range of network speeds, including 2G, 4G, and 5G, ensuring a seamless online experience that matches your requirements.
  • EXCLUSIVE UK DATA – Preloaded with quad-band UK data only without roaming, calls, or texts.
Show More
9.1
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.1
Superb
Scancom

Multi-Network Data SIM - Monthly Auto-Renew (24 Months) - Preloaded with EE, Three, O2 & Vodafone

Why we love it
  • Automatic monthly data renewal.
  • Easy two-step configuration process.
  • Access to dedicated customer support.
Main Highlights
  • MONTHLY DATA PLAN – 500MB automatically renewed every month for 24 months perfect for IoT Devices
  • 2 STEP CONFIGURATION – Step 1: Enable data roaming on your device. Step 2: enter the APN Name: gigsky-02
  • RENEW UPON EXPIRY – Please top-up your Sim card on our Scancom website after 12 months or when your data runs out.
  • 4 NETWORKS, 1 SIM - The sim is preloaded with O2, Vodafone, EE & Three data, and will select the most reliable network based on the location in use.
  • B2B PORTAL ACCESS - For 3+ sims, please email support@scancom.co.uk and we’ll set up portal access for monitoring usage, location, and connectivity details.
  • OPTIMISED CONNECTIVITY - Designed for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
  • DEDICATED CUSTOMER SUPPORT – For all connection and usage concerns, contact our dedicated support team at support@scancom.co.uk
  • BROAD NETWORK COMPATIBILITY - Our Sim is equipped to support a range of network speeds, including 2G, 4G, and 5G, ensuring a seamless online experience that matches your requirements.
  • EXCLUSIVE UK DATA – Preloaded with quad-band UK data only without roaming, calls, or texts.
Show More
7
O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.

Sims4Travel
Why we love it
  • Global coverage in 70+ countries.
  • No roaming fees worries.
  • Outstanding customer service availability.
Main Highlights
  • WHAT YOU GET: A Prepaid/preloaded O2 Sim Card with 25GB of 4G/5G roaming data for use in 70+ countries worldwide. Includes USA, Canada, Australia, South Africa and Europe. See the full country list in the description below.
  • UNLIMITED DATA SPEEDS: this sim comes with 25GB of 4G/5G data, with no speed restrictions. Enjoy super-fast 4G/5G data speeds + free mobile hotspot/tethering + compatible with VOIP services.
  • HOW YOU GET IT: You receive a 3-in-1 Sim card that includes standard/micro/nano sizes. Activate the sim via an emil/call to Sims4Travel then insert the sim into your device. You can activate the sim before you travel or as soon as you arrive at one of the 70+ countries listed below. Either way, your sim is ready to use within an hour of activation.
  • WHO SHOULD GET IT? Anyone who hates roaming fees when travelling. Keep connected with no hidden costs
  • CUSTOMER SERVICE: We care about our customers. We're available 7 days a week to assist you, call, email or video chat. We take pride in your connectivity
  • LEGAL STUFF: Capable device required. No Personal ID required
  • EUROPEAN ROAMING COUNTRIES: Albania, Austria, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, French Territories, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Italy (including Vatican City), Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal (including Madeira), Romania, Slovakia, Slovenia, Spain (including. Balearic Islands), Sweden, Channel Islands (including Guernsey
  • REST OF THE WORLD ROAMING COUNTRIES: Anguilla, Antigua, Aruba, Australia, Barbados, Bermuda, Bosnia & Herzegovina, Canada, Cayman Islands, Dominica, Ghana, Grenada, Jamaica, Kenya, Lesotho, Mexico, Montserrat, Mozambique, Netherland Antilles, New Zealand, South Africa, St Kitts and Nevis, St Vincent, St Lucia, Trinidad & Tobago, Turks and Caicos, UK Virgin Islands, USA.
Show More
8.9
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.9
Excellent
Sims4Travel

O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.

Why we love it
  • Global coverage in 70+ countries.
  • No roaming fees worries.
  • Outstanding customer service availability.
Main Highlights
  • WHAT YOU GET: A Prepaid/preloaded O2 Sim Card with 25GB of 4G/5G roaming data for use in 70+ countries worldwide. Includes USA, Canada, Australia, South Africa and Europe. See the full country list in the description below.
  • UNLIMITED DATA SPEEDS: this sim comes with 25GB of 4G/5G data, with no speed restrictions. Enjoy super-fast 4G/5G data speeds + free mobile hotspot/tethering + compatible with VOIP services.
  • HOW YOU GET IT: You receive a 3-in-1 Sim card that includes standard/micro/nano sizes. Activate the sim via an emil/call to Sims4Travel then insert the sim into your device. You can activate the sim before you travel or as soon as you arrive at one of the 70+ countries listed below. Either way, your sim is ready to use within an hour of activation.
  • WHO SHOULD GET IT? Anyone who hates roaming fees when travelling. Keep connected with no hidden costs
  • CUSTOMER SERVICE: We care about our customers. We're available 7 days a week to assist you, call, email or video chat. We take pride in your connectivity
  • LEGAL STUFF: Capable device required. No Personal ID required
  • EUROPEAN ROAMING COUNTRIES: Albania, Austria, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, French Territories, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Italy (including Vatican City), Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal (including Madeira), Romania, Slovakia, Slovenia, Spain (including. Balearic Islands), Sweden, Channel Islands (including Guernsey
  • REST OF THE WORLD ROAMING COUNTRIES: Anguilla, Antigua, Aruba, Australia, Barbados, Bermuda, Bosnia & Herzegovina, Canada, Cayman Islands, Dominica, Ghana, Grenada, Jamaica, Kenya, Lesotho, Mexico, Montserrat, Mozambique, Netherland Antilles, New Zealand, South Africa, St Kitts and Nevis, St Vincent, St Lucia, Trinidad & Tobago, Turks and Caicos, UK Virgin Islands, USA.
Show More
8
Love Mobile Data Only Sim Card - Multi-Network 4G/5G Prepaid Pay As You Go Data Sim for Mobile Phones, WiFi Routers & More, United Kingdom (O2, Three & Vodafone) - 80GB for 12 Months
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Love Mobile Data Only Sim Card - Multi-Network 4G/5G Prepaid Pay As You Go Data Sim for Mobile Phones, WiFi Routers & More, United Kingdom (O2, Three & Vodafone) - 80GB for 12 Months

love 2 surf
Why we love it
  • Reliable UK data coverage.
  • Triple cut SIM compatibility.
  • Automatic network switching.
Main Highlights
  • 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 𝗖𝗼𝘃𝗲𝗿𝗮𝗴𝗲 Enjoy 80GB of data over 12 months with our prepaid data SIM, ensuring reliable connectivity throughout United Kingdom (O2, Three & Vodafone)
  • 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗮𝗹 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Triple cut SIM card (Standard/Micro/Nano) fits most smartphones and is compatible with unlocked 2G, 4G, and 5G routers and other devices
  • 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Our travel SIM connects seamlessly to multiple networks for optimal coverage, automatically switching to the strongest signal available
  • 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀/𝗣𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗨𝘀𝗮𝗴𝗲: Use our prepaid SIM for personal hotspot/tethering and make voice calls and send messages via popular apps like WhatsApp, Skype, iMessage, FaceTime, Messenger, Signal and connect IOT/M2M devices
  • 𝗘𝗮𝘀𝘆 𝗦𝗲𝘁𝘂𝗽: Our United Kingdom Data SIM card includes clear instructions for monitoring live usage, instant data top-ups, and creating personalised plans based on your destination, data size, and duration
Show More
8.8
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.8
Excellent
love 2 surf

Love Mobile Data Only Sim Card - Multi-Network 4G/5G Prepaid Pay As You Go Data Sim for Mobile Phones, WiFi Routers & More, United Kingdom (O2, Three & Vodafone) - 80GB for 12 Months

Why we love it
  • Reliable UK data coverage.
  • Triple cut SIM compatibility.
  • Automatic network switching.
Main Highlights
  • 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 𝗖𝗼𝘃𝗲𝗿𝗮𝗴𝗲 Enjoy 80GB of data over 12 months with our prepaid data SIM, ensuring reliable connectivity throughout United Kingdom (O2, Three & Vodafone)
  • 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗮𝗹 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Triple cut SIM card (Standard/Micro/Nano) fits most smartphones and is compatible with unlocked 2G, 4G, and 5G routers and other devices
  • 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Our travel SIM connects seamlessly to multiple networks for optimal coverage, automatically switching to the strongest signal available
  • 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀/𝗣𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗨𝘀𝗮𝗴𝗲: Use our prepaid SIM for personal hotspot/tethering and make voice calls and send messages via popular apps like WhatsApp, Skype, iMessage, FaceTime, Messenger, Signal and connect IOT/M2M devices
  • 𝗘𝗮𝘀𝘆 𝗦𝗲𝘁𝘂𝗽: Our United Kingdom Data SIM card includes clear instructions for monitoring live usage, instant data top-ups, and creating personalised plans based on your destination, data size, and duration
Show More
9
O2 Unlimited Data SIM Card UK – Includes 30GB EU Roaming – Preloaded Data-Only SIM for Phones, Mobile WiFi & 4G/5G Routers
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

O2 Unlimited Data SIM Card UK – Includes 30GB EU Roaming – Preloaded Data-Only SIM for Phones, Mobile WiFi & 4G/5G Routers

Sims4Travel
Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Supports free international roaming.
Main Highlights
  • UNLIMITED UK DATA + 30GB EU ROAMING Stay connected across the UK and Europe with fast, reliable 4G/5G data wherever you travel.
  • EASY ACTIVATION Activate the sim and go — no contracts, no ID, no commitments. Ideal for holidays, business trips and short stays.
  • PERFECT FOR UK + EU TRAVEL Use for maps, hotspotting, video calls and streaming while abroad. A simple way to stay online across 47 countries.
  • WORKS IN UNLOCKED DEVICES Use in smartphones, tablets, mobile WiFi devices, routers and other unlocked SIM-enabled devices for flexible connectivity wherever you travel.
  • RELIABLE CONNECTIVITY FOR WORK AND STREAMING Stay connected for browsing, video calls, streaming and hotspotting while travelling across the UK and Europe.
  • ONE-MONTH DURATION Your preloaded bundle lasts for 30 days from activation, with simple options to renew if you need longer.
  • FAST ONLINE ACTIVATION Activate your SIM quickly through our website, with O2 SIMs going live within 1 hour.
Show More
8.7
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.7
Excellent
Sims4Travel

O2 Unlimited Data SIM Card UK – Includes 30GB EU Roaming – Preloaded Data-Only SIM for Phones, Mobile WiFi & 4G/5G Routers

Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Supports free international roaming.
Main Highlights
  • UNLIMITED UK DATA + 30GB EU ROAMING Stay connected across the UK and Europe with fast, reliable 4G/5G data wherever you travel.
  • EASY ACTIVATION Activate the sim and go — no contracts, no ID, no commitments. Ideal for holidays, business trips and short stays.
  • PERFECT FOR UK + EU TRAVEL Use for maps, hotspotting, video calls and streaming while abroad. A simple way to stay online across 47 countries.
  • WORKS IN UNLOCKED DEVICES Use in smartphones, tablets, mobile WiFi devices, routers and other unlocked SIM-enabled devices for flexible connectivity wherever you travel.
  • RELIABLE CONNECTIVITY FOR WORK AND STREAMING Stay connected for browsing, video calls, streaming and hotspotting while travelling across the UK and Europe.
  • ONE-MONTH DURATION Your preloaded bundle lasts for 30 days from activation, with simple options to renew if you need longer.
  • FAST ONLINE ACTIVATION Activate your SIM quickly through our website, with O2 SIMs going live within 1 hour.
Show More
10
O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 1 Month plan
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 1 Month plan

love 2 surf
Why we love it
  • Quick and easy activation.
  • Extended coverage with unlimited data.
  • Universal compatibility: triple cut SIM.
Main Highlights
  • QUICK & EASY SIM ACTIVATION
  • 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 𝗖𝗼𝘃𝗲𝗿𝗮𝗴𝗲 Enjoy 1 Month Unlimited O2 data sim (Fair Use policy 650GB applies) with our prepaid data SIM, ensuring reliable connectivity throughout the UK
  • BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗮𝗹 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Triple cut SIM card (Standard/Micro/Nano) fits most smartphones and is compatible with unlocked 4G, and 5G routers and other devices. SIM can be converted to eSIM if required
  • 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀/𝗣𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗨𝘀𝗮𝗴𝗲: Use our prepaid SIM for personal hotspot/tethering and make voice calls and send messages via popular apps like WhatsApp, Skype, iMessage, FaceTime, Messenger, Signal and connect IOT/M2M devices
Show More
8.7
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.7
Excellent
love 2 surf

O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 1 Month plan

Why we love it
  • Quick and easy activation.
  • Extended coverage with unlimited data.
  • Universal compatibility: triple cut SIM.
Main Highlights
  • QUICK & EASY SIM ACTIVATION
  • 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 𝗖𝗼𝘃𝗲𝗿𝗮𝗴𝗲 Enjoy 1 Month Unlimited O2 data sim (Fair Use policy 650GB applies) with our prepaid data SIM, ensuring reliable connectivity throughout the UK
  • BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗮𝗹 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Triple cut SIM card (Standard/Micro/Nano) fits most smartphones and is compatible with unlocked 4G, and 5G routers and other devices. SIM can be converted to eSIM if required
  • 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀/𝗣𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗨𝘀𝗮𝗴𝗲: Use our prepaid SIM for personal hotspot/tethering and make voice calls and send messages via popular apps like WhatsApp, Skype, iMessage, FaceTime, Messenger, Signal and connect IOT/M2M devices
Show More
Advertisement
Advertisement

We scanned 1834 products

We reviewed these offers relevant to the O2 Data Sim Card Preloaded within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Scancom, Sims4Travel, love 2 surf, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best O2 Data Sim Card Preloaded in the market, we considered we took a deep dive into 9171 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: