Best O2 Data Sim Only of 2026

Last updated on 07/06/2026

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

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

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.

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

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.

Value for Money

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

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

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.

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

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.

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

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

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.

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

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.

O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 30-Day Plan

O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 30-Day Plan

Unlimited high-speed data access.
No contracts or commitments.
Supports all devices seamlessly.

Main Highlights

UNLIMITED UK DATA FOR HOME USE A simple, reliable way to stay connected at home without contracts or long-term commitments.
PERFECT FOR HOME BROADBAND REPLACEMENT Use in your router, mobile WiFi device or dongle to create a fast, dependable home WiFi setup.
IDEAL FOR STUDENTS, RENTERS AND PEOPLE BETWEEN HOMES A flexible option when you need quick, hassle-free internet without waiting for installation.
FAST 4G/5G SPEEDS FOR EVERYDAY USE Smooth streaming, gaming and working from home with consistent performance across the UK.
30-DAY DURATION Your preloaded bundle lasts for 30 days from activation, with simple options to renew if you need longer.
FAST ONLINE ACTIVATION FAST ONLINE ACTIVATION Activate your SIM quickly through our website, with most O2 SIMs going live within 1 hour.

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O2 Unlimited Data SIM Card UK – Preloaded Data SIM for Home Broadband Replacement, Routers & Mobile WiFi – No Contract, 30-Day Plan

Unlimited high-speed data access.
No contracts or commitments.
Supports all devices seamlessly.

Main Highlights

UNLIMITED UK DATA FOR HOME USE A simple, reliable way to stay connected at home without contracts or long-term commitments.
PERFECT FOR HOME BROADBAND REPLACEMENT Use in your router, mobile WiFi device or dongle to create a fast, dependable home WiFi setup.
IDEAL FOR STUDENTS, RENTERS AND PEOPLE BETWEEN HOMES A flexible option when you need quick, hassle-free internet without waiting for installation.
FAST 4G/5G SPEEDS FOR EVERYDAY USE Smooth streaming, gaming and working from home with consistent performance across the UK.
30-DAY DURATION Your preloaded bundle lasts for 30 days from activation, with simple options to renew if you need longer.
FAST ONLINE ACTIVATION FAST ONLINE ACTIVATION Activate your SIM quickly through our website, with most O2 SIMs going live within 1 hour.

O2 Unlimited Data SIM Card UK PAYG - 1 Month

O2 Unlimited Data SIM Card UK PAYG - 1 Month

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

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O2 Unlimited Data SIM Card UK PAYG - 1 Month

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

Zappyfi Data-Only Multi-Network SIM Card, 4G/5G, Auto-Switch EE, Vodafone, O2 & Three, Prepaid PAYG, UK & EU Roaming Travel SIM, for Phones, Routers & IoT Devices (12GB | 12 Months)

Zappyfi Data-Only Multi-Network SIM Card, 4G/5G, Auto-Switch EE, Vodafone, O2 & Three, Prepaid PAYG, UK & EU Roaming Travel SIM, for Phones, Routers & IoT Devices (12GB | 12 Months)

Flexible data, no monthly limits.
Multi-network connectivity for strongest signal.
UK-based 24/7 support.

Main Highlights

Flexible data plan – use it your way: Your total data allowance is valid for the full plan duration from first use, not monthly. Use it as you need and top up anytime via your MyZappyfi account.
Multi-network / quad-network connectivity: Automatically switches between EE, Vodafone, O2 and Three to connect to the strongest available signal across the UK.
UK & 25+ Countries Roaming Coverage: Use your Zappyfi data SIM across the UK and over 25 countries, including Belgium, France, Germany, Greece, Italy, Netherlands, Spain, Sweden, Switzerland and more (see product images for the full list). Coverage depends on destination and plan.
MyZappyfi online account control: Track real-time data usage, receive notifications, manage SIMs and top up with a variety of data plans based on your travel and data needs.
Fast 4G & 5G data speeds: Supports high-speed mobile data on compatible devices for browsing, streaming, navigation and remote access.
Prepaid PAYG data-only SIM: No contracts, no credit checks and no calls or texts. Use your data when you need it and stay in control.
Works in phones, routers and smart devices: Compatible with unlocked smartphones, 4G/5G WiFi routers and hotspots, tablets, CCTV and security cameras, GPS trackers and IoT devices.
24/7 UK-based customer support: Get help anytime with access to reliable UK-based support for activation, usage, top-ups and technical assistance.

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Zappyfi Data-Only Multi-Network SIM Card, 4G/5G, Auto-Switch EE, Vodafone, O2 & Three, Prepaid PAYG, UK & EU Roaming Travel SIM, for Phones, Routers & IoT Devices (12GB | 12 Months)

Flexible data, no monthly limits.
Multi-network connectivity for strongest signal.
UK-based 24/7 support.

Main Highlights

Flexible data plan – use it your way: Your total data allowance is valid for the full plan duration from first use, not monthly. Use it as you need and top up anytime via your MyZappyfi account.
Multi-network / quad-network connectivity: Automatically switches between EE, Vodafone, O2 and Three to connect to the strongest available signal across the UK.
UK & 25+ Countries Roaming Coverage: Use your Zappyfi data SIM across the UK and over 25 countries, including Belgium, France, Germany, Greece, Italy, Netherlands, Spain, Sweden, Switzerland and more (see product images for the full list). Coverage depends on destination and plan.
MyZappyfi online account control: Track real-time data usage, receive notifications, manage SIMs and top up with a variety of data plans based on your travel and data needs.
Fast 4G & 5G data speeds: Supports high-speed mobile data on compatible devices for browsing, streaming, navigation and remote access.
Prepaid PAYG data-only SIM: No contracts, no credit checks and no calls or texts. Use your data when you need it and stay in control.
Works in phones, routers and smart devices: Compatible with unlocked smartphones, 4G/5G WiFi routers and hotspots, tablets, CCTV and security cameras, GPS trackers and IoT devices.
24/7 UK-based customer support: Get help anytime with access to reliable UK-based support for activation, usage, top-ups and technical assistance.

Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Flexible SIM card sizes available.
Easy online registration process.
Automatic top-ups for convenience.

Main Highlights

THE PLAN: 6GB to use anytime within 12 months (not 6GB per month). Refill any time to reset the duration.
WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.

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Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Flexible SIM card sizes available.
Easy online registration process.
Automatic top-ups for convenience.

Main Highlights

THE PLAN: 6GB to use anytime within 12 months (not 6GB per month). Refill any time to reset the duration.
WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.

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 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

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

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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

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

EIOTCLUB IoT Data SIM Card 12GB 360 Days, Quad Network (compatible with Vodafone, O2, EE, Three) 4G LTE/5G | Data Only, No Contract | ForSecurity Camera, Trail Camera, Router & Alarm Systems

EIOTCLUB IoT Data SIM Card 12GB 360 Days, Quad Network (compatible with Vodafone, O2, EE, Three) 4G LTE/5G | Data Only, No Contract | ForSecurity Camera, Trail Camera, Router & Alarm Systems

Annual data for devices.
Strong signal across networks.
Works across UK and EU.

Main Highlights

12GB Annual Data for Always-On IoT Devices: Includes 12GB total data valid for 360 days from activation (not monthly). Ideal for low-usage but always-connected devices installed in remote or unattended locations.
Quad Network SIM for Maximum Signal Reliability: Compatible with Vodafone, O2, EE, and Three network, connects automatically to to access the strongest available signal. Designed for devices that cannot afford signal drops.
Data-Only SIM – Built for IoT Equipment: No calls, no SMS. Built for Security, Monitoring & Remote Equipment: CCTV cameras, security cameras, alarm systems, trail cameras, wildlife cameras, GPS trackers, industrial routers.
Plug & Use + EIOTCLUB App & Online Management: Insert the SIM to activate instantly. Monitor real-time data usage, set alerts, and top up anytime via the EIOTCLUB App or official website. Choose automatic refills to keep critical equipment online without interruption.
UK, Ireland & EU Multi-Country Use: Works across the UK, Ireland and major EU countries, making it ideal for cross-border IoT deployments, remote sites and mobile equipment.

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EIOTCLUB IoT Data SIM Card 12GB 360 Days, Quad Network (compatible with Vodafone, O2, EE, Three) 4G LTE/5G | Data Only, No Contract | ForSecurity Camera, Trail Camera, Router & Alarm Systems

Annual data for devices.
Strong signal across networks.
Works across UK and EU.

Main Highlights

12GB Annual Data for Always-On IoT Devices: Includes 12GB total data valid for 360 days from activation (not monthly). Ideal for low-usage but always-connected devices installed in remote or unattended locations.
Quad Network SIM for Maximum Signal Reliability: Compatible with Vodafone, O2, EE, and Three network, connects automatically to to access the strongest available signal. Designed for devices that cannot afford signal drops.
Data-Only SIM – Built for IoT Equipment: No calls, no SMS. Built for Security, Monitoring & Remote Equipment: CCTV cameras, security cameras, alarm systems, trail cameras, wildlife cameras, GPS trackers, industrial routers.
Plug & Use + EIOTCLUB App & Online Management: Insert the SIM to activate instantly. Monitor real-time data usage, set alerts, and top up anytime via the EIOTCLUB App or official website. Choose automatic refills to keep critical equipment online without interruption.
UK, Ireland & EU Multi-Country Use: Works across the UK, Ireland and major EU countries, making it ideal for cross-border IoT deployments, remote sites and mobile equipment.

KiwiSIM Prepaid SIM Card, 4G LTE Data Cards, Iot Card Preloaded with 24GB of 365 Days Data, UK Sim Card Support for Vodafone Three O2, Data only SIM Card for WiFi Router/Security Camera/Tablet

KiwiSIM Prepaid SIM Card, 4G LTE Data Cards, Iot Card Preloaded with 24GB of 365 Days Data, UK Sim Card Support for Vodafone Three O2, Data only SIM Card for WiFi Router/Security Camera/Tablet

Transparent data plans are flexible.
Easy activation with no fees.
Wide coverage in multiple countries.

Main Highlights

Transparent Data plan: KiwSIM sim cards are available with pay as you go transparent data plans, and the ability to cancel your auto-subscription at any time. This sim card without calls and texts, and phone number. The prepaid SIM card offers 24GB of 4G wireless. The cellular SIM card are valid for 12 months when not activated.The KiwiSIM data card also supports your travel from Europe to the United States. The KiwiSIM data card is compatible with Verizon, AT&T, and T-Mobile networks in the U.S.
Easy Activation: Preloaded SIM card can be simply activated without complicated steps. This data sim card has no contracts, no hidden fees, no activation fees, no credit checks, no advance activation requests, no insertion fees, and no personal ID required.Make sure the 4G device is unlocked before inserting the IoT SIM card. Read your device user manual to find the APN setting. Set the APN information for your SIM card and you'll be connected to the network in no time.
Applicable Countries and Regions: Austria, Ukraine, North Macedonia, Latvia, Lithuania, Serbia, Slovenia, Bulgaria, Norway, Belarus, Denmark, Croatia, Sweden, United Kingdom, Réunion, Republic of Ireland, France, Liechtenstein, Portugal, Israel, Spain, Greece, Italy, Romania, Ghana, South Africa, United States, Poland, Kuwait, Sri Lanka, Germany, Slovakia, Netherlands, Belgium, Iceland, Malta, Luxembourg, Czech Republic, Hungary, Turkey, Estonia, Bosnia and Herzegovina, Cyprus, Faroe Islands, Finland.
Compatible with various Devices: This sim card kit is pre-cut in 3 sizes to fit various 4G devices:Standard, Micro, and Nano. The mobile simcard support for 4G Pocket WiFi, 4G WiFi Router, Security Camera, Smart Watch, GPS Tracker, Trail/Hunting Camera, smartphones, Tablets, and other IoT devices.
Professional Online Customer Support: Your satisfaction is our main priority, and the data only sim card provides professional online ordering and online customer support to resolve any SIM card related issues. If you have any questions, please don't hesitate to contact us by email and provide us with your ICCI number so that we can provide you with a better solution.
Tip: The KiwiSIM data card also supports your travel from Europe to the United States. The KiwiSIM data card is compatible with Verizon, AT&T, and T-Mobile networks in the U.S. If you run out of data early, you can subscribe to a plan as needed without having to change the SIM card, allowing you to continue using it.

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KiwiSIM Prepaid SIM Card, 4G LTE Data Cards, Iot Card Preloaded with 24GB of 365 Days Data, UK Sim Card Support for Vodafone Three O2, Data only SIM Card for WiFi Router/Security Camera/Tablet

Transparent data plans are flexible.
Easy activation with no fees.
Wide coverage in multiple countries.

Main Highlights

Transparent Data plan: KiwSIM sim cards are available with pay as you go transparent data plans, and the ability to cancel your auto-subscription at any time. This sim card without calls and texts, and phone number. The prepaid SIM card offers 24GB of 4G wireless. The cellular SIM card are valid for 12 months when not activated.The KiwiSIM data card also supports your travel from Europe to the United States. The KiwiSIM data card is compatible with Verizon, AT&T, and T-Mobile networks in the U.S.
Easy Activation: Preloaded SIM card can be simply activated without complicated steps. This data sim card has no contracts, no hidden fees, no activation fees, no credit checks, no advance activation requests, no insertion fees, and no personal ID required.Make sure the 4G device is unlocked before inserting the IoT SIM card. Read your device user manual to find the APN setting. Set the APN information for your SIM card and you'll be connected to the network in no time.
Applicable Countries and Regions: Austria, Ukraine, North Macedonia, Latvia, Lithuania, Serbia, Slovenia, Bulgaria, Norway, Belarus, Denmark, Croatia, Sweden, United Kingdom, Réunion, Republic of Ireland, France, Liechtenstein, Portugal, Israel, Spain, Greece, Italy, Romania, Ghana, South Africa, United States, Poland, Kuwait, Sri Lanka, Germany, Slovakia, Netherlands, Belgium, Iceland, Malta, Luxembourg, Czech Republic, Hungary, Turkey, Estonia, Bosnia and Herzegovina, Cyprus, Faroe Islands, Finland.
Compatible with various Devices: This sim card kit is pre-cut in 3 sizes to fit various 4G devices:Standard, Micro, and Nano. The mobile simcard support for 4G Pocket WiFi, 4G WiFi Router, Security Camera, Smart Watch, GPS Tracker, Trail/Hunting Camera, smartphones, Tablets, and other IoT devices.
Professional Online Customer Support: Your satisfaction is our main priority, and the data only sim card provides professional online ordering and online customer support to resolve any SIM card related issues. If you have any questions, please don't hesitate to contact us by email and provide us with your ICCI number so that we can provide you with a better solution.
Tip: The KiwiSIM data card also supports your travel from Europe to the United States. The KiwiSIM data card is compatible with Verizon, AT&T, and T-Mobile networks in the U.S. If you run out of data early, you can subscribe to a plan as needed without having to change the SIM card, allowing you to continue using it.

We scanned 1415 products

We reviewed these offers relevant to the O2 Data Sim Only 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, Zappyfi, Wave Connect, EIOTCLUB, KiwiSIM, 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 Only in the market, we considered we took a deep dive into 7076 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:

The clear winner of our analysis is O2 Unlimited Data SIM - Preloaded for 6 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones. We love many things about this product by Scancom. What sets it apart from the competition is Easy anytime activation process. , Renewable data for longer use. , Compatible with various devices. .
The best value product for most shoppers and where user satisfaction is continuously the highest is O2 Unlimited Data SIM - Preloaded for 2 Months - No Contract - Quick Activation Within 1 Working Day - Mobile Broadband for Routers, Tablets & Phones by Scancom based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for O2 Data Sim Only and the best cost-to-value ratio is KiwiSIM Prepaid SIM Card, 4G LTE Data Cards, Iot Card Preloaded with 24GB of 365 Days Data, UK Sim Card Support for Vodafone Three O2, Data only SIM Card for WiFi Router/Security Camera/Tabletat KiwiSIM with a % discount.
Our list of the best O2 Data Sim Only is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.