10 Best Mini Smartphone in The UK

Last updated on 23/07/2025

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Unihertz Jelly Star Mini Smartphone, 3 Inch the World's Smallest Tiny Cell Phone 4G Android 13 Transparent Design LED Light NFC OTG, Black (NO Charger)

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Why We Love It

Transparent back design with LED.
Versatile connectivity and features.
Long-lasting 2000mAh battery.

Main Highlights

Charger Not Included: Note that the Jelly Star comes without a charger in the box, allowing you to use your existing accessories or choose your preferred charging solution.
Versatile Connectivity: Equipped with NFC, a programmable button, 3.5mm audio jack, dual Nano SIM slots, infrared port, fingerprint unlock, USB OTG, FM radio, and GPS for a versatile and connected experience.
Transparent Back Design with LED Light: Stand out with a transparent back design and dynamic LED notification light, combining style with functionality.
Unprecedented Compact Size: Experience unparalleled portability with the small cell phone, the Unihertz Jelly Star, blending compact design with powerful features for a truly unique mobile experience.
Long-lasting Battery: The 2000mAh battery keeps you powered throughout the day, providing reliable performance in a compact size.
Octa-Core Performance: Powered by the 6nm MediaTek Helio G99 processor, experience smooth and efficient performance for your daily tasks and applications.
Vivid Display: Enjoy a clear view on the 3-inch display, providing a balance between portability and visual experience.

Unihertz Jelly 2 - Compact Android 11 Mini Smartphone, 4G Unlocked, 6GB RAM + 128GB Storage, NFC, Dark Green (NO charger)

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Why We Love It

Credit card-sized smartphone.
Accurate location services everywhere.
Use your own charger.

Main Highlights

Credit card size smartphone with 4G connection, global unlock, Android 11, 6GB + 128GB
Ultra-Compact Design: Experience the world's smallest Android 11 smartphone in a credit card-sized form factor - the Unihertz Jelly 2 is designed for ultimate portability.
Versatile Navigation: Navigate with confidence using GPS, Beidou, and Glonass, ensuring accurate location services wherever you are.
Charger Not Included: Note that the Jelly Star comes without a charger in the box, allowing you to use your existing accessories or choose your preferred charging solution.

Ulefone Armor Mini 20 Rugged Smartphone Android14, 4.7" Small Rugged Phone 256GB+16GB/2TB SD 64MP Night Vision+50MP, 6200mAh Battery with Warning Light, IP68 4G Dual Sim Unlocked Mobile Phones NFC GPS

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Why We Love It

Compact and portable design.
Powerful performance with Android 14.
Versatile for outdoor adventures.

Main Highlights

【4.7-inch Small Phone & 700-Nits, AS SMALL AS A CREDIT CARD】Ulefone Armor Mini 20 rugged smartphone features a 4.7-inch display, palm-sized, as wide as a credit card (63.3 mm), and lightweight at just 301g. It can easily complete all operations at a glance. View information and send messages with just a swipe of your thumb. Compact and portable. Corning Gorilla Glass Victus provides exceptional protection against drops, shocks, and everyday damage. 700-Nits brightness delivers smooth and vibrant visuals in outside.
【Android 14 & Octa Core Processor & 16GB + 256GB/2TB】: Ulefone Armor Mini 20 mobile phone with Helio G99 Octa Core 2.2GHz, an all-new gaming processor and Android 14, with faster processing and less lag. Wi-Fi 6 offers up to 3x speed, wider signal coverage and stronger signal penetration. Up to 16GB RAM (8GB RAM + 8GB virtual RAM) + 256GB ROM + 2TB SD expansion, downloading and sharing becomes a breeze. it easily handles multitasking and data processing.
【500 Lumen Flashlight & Emergency Warning Light】: With a maximum brightness of 500 lumens, The Ulefone Armor Mini 20 transforms into a versatile flashlight and portable camping light, perfect for outdoor adventures like camping, night fishing, hiking, and cycling. Featuring simulated red light, blue light, and red-blue warning light, the LED light can warn for fire, first-aid, law enforcement services, and other first-responding needs, along with the warning sound.
【64MP Night Vision Camera & 50MP Main Camera & LED Fill Light】Armor mini 20 shockproof mobile phone is equipped with a 50MP main camera with 1/1.31 inch sensor, as well as a 32MP ultra-clear rear camera for selfies. With the blessing of LED fill light, the photos are more dazzling. It is also suitable for underwater photography. The 64MP infrared night vision camera can capture photos and videos even in complete darkness.
【6200mAh Battery + 33W Fast Charging + Wireless Charging + OTG】The mini rugged smartphone is equipped with a 6200mAh battery, 336 hours of standby time, 34 hours of talk time and 22 hours of video viewing time. With 33W fast charging and 15W Qi wireless charging Support OTG wireless charging function, reverse charging helps to provide power to Bluetooth earphones, smartwatches or mini speakers during outdoor excursions.
【IP68/IP69K Military Certification】Ulefone Armor mini 20 is MIL-STD-810H certified, resistant to water, dust, dirt and sand. It can work up to 1.5 meters deep for up to 30 minutes, withstanding drops of up to 1.5 meters without damage thanks to the anti-shock Gorilla Glass. It can work smoothly in extreme temperatures (-20°C to 55°C) and is ideal for construction sites, outdoor activities or industrial work.
【Ulefone RUGGED SMARTPHONE WITH MULTIPLE FUNCTIONS】: The Ulefone Armor Mini 20 supports4G/3G/2G, 4G Dual Sim-free&Unlocked Mobile Phones. Integrated with multiple features, ✔️NFC function ✔️Fingerprint ID, ✔️Face ID, ✔️GPS, ✔️custom key, ✔️IR blaster ✔️FM radio, ✔️3.5 mm headphone jack, ✔️notification LED, ✔️glove mode equipped and more gadgets. ✔️Exclusive Service Center App, your all-in-one solution for instant, personalized support. Ulefone promises 2 years for warranty. if you have any questions, please feel free to contact us.

Ulefone Armor Mini 20 4G Rugged Smartphone, Palm Size, Helio G99 16GB+256GB, 6200mAh Battery Wireless Charge, 64MP+50MP Night Vision Camera, 4.7" HD+90Hz, IP68 Waterproof Android 14, NFC

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Why We Love It

Compact and portable design.
Exceptional durability for outdoors.
Impressive camera for any condition.

Main Highlights

★ All in 4.7" HD+ Display, Almost Equal to A Credit Card, Single-handed Operation,Compact Mecha Conqueror: Handy and portable with a palm size, ready to accompany you on the go, offering convenient one-handed operation at your fingertips. The all-new mecha profile states a fusion of strength and technology, stepping into the realm of tomorrow. (373 PPI, Versatile LED Light)
★ IP68/IP69K, MIL-STD-810H Armored, Stand the Most Severe Trials: Armor Mini 20 Pro dares to explore outdoors, and conquer rough working conditions. IP68, IP69K ratings waterproof and dust-resistant, MIL-STD-810H compliant against drops. Reinforced with Ulefone defender structure, this little powerhouse has boundless energy through adventures.
★ 6200mAh Large Battery, Light Use for 14 Days: Small phone, mighty life. Perhaps surprisingly, the mini screen with a large 6200mAh battery. The sub-zero solid-state battery can survive in -30° extreme weather, which is more power-efficient and safer. It's the ultimate in outdoor adventure. (Standby Time: 336 Hours, Call Time: 34 Hours, 33W Fast Charging, 15W Wireless Charging, Supports Reverse Charging)
★ 50MP Main Camera, 64MP Night Vision Camera: Tipped with a ISOCELL GN1 sensor, the 50MP rear camera captures stunning clear pictures with a 1.2μm pixel size, and a ƒ/1.65 aperture. Details burst off the images even enlarge it. Integrated with OV64B infrared night vision camera, cutting-edge 64MP high pixels, things become visible in the dark.
★ Versatile LED Light, Infinitely Variable Control: The polygon LED light surrounding the camera modules adds ornaments and practical lighting solutions. With 130 LEDs and a 500 lumens max brightness, it offers different modes with infinite brightness adjustment; and a physical button for one-key lighting; ideal for fill light or any situation where a reliable and portable light source is required.

Unihertz Jelly 2E - World's Smallest 4G Smartphone, 110g Mini Phone, Cute and Portable, Android 12, 4GB RAM + 64GB ROM, Unlocked Smartphone and Mobile Phone

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Why We Love It

Mini but powerful functionality.
New Android 12 experience.
Durable Corning Gorilla Glass.

Main Highlights

🧸 【Mini is no Concession to Functionality】 comes with a 3-inch screen and a weight of 110 grams. Underneath its incredibly small exterior is a powerful feature set. Android 12 provides support for almost every app in the Google Play Store. It supports basic Facebook, Youtube, Twitter, TikTok, Whatsapp, Spotify and even some games.
🧸 【New Android 12】 More personalised, secure and ergonomic, Android 12 brings a whole new experience to your phone. Based on Android 11, it has undergone the biggest visual overhaul in its history, bringing many new features and offering smooth operation. New features in Android 12 include: art themes, video transcoding, device links, privacy controls, shortcut controls, long screenshots and more.
🧸 【2000 mAh Battery】 Jelly 2E lasts for days on a single charge. It supports hours of continuous phone calls, music, movies and programs, and is guaranteed to stay active when you need it most.
🧸【Perfect Outdoor Sports Companion】 With its armband, clip and other accessories, you can take it with you to work out, jogging, hiking, cycling and more, and with its headphone jack, you can also enjoy music while exercising.
🧸 【Corning Gorilla Glass】 Corning Gorilla Glass is highly durable and scratch-resistant, able to withstand high pressure and repeated contact, and resist damage from daily use. In addition, it makes the phone thin, light and convenient, while providing excellent visual clarity. ❣️【Quality】1️⃣One-year warranty (for quality issues not caused by human factors). 2️⃣Long-term technical support and online customer service.

Upgraded Mini Phone 4G Mini Smartphone Unlocked 3.88" HD Full Screen 1950mAh Android 12,Dual SIM 4GB+64GB,World's Smallest Tiny Cell Phone 4G Small Mobile Phones for Kids GPS Face ID (Black)

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Why We Love It

4G Technology for smooth performance.
Long-lasting 1950mAh battery life.
Compact design for easy portability.

Main Highlights

Upgraded 4G Mini Smartphone Unlocked：BLKE mini smart phone uses the latest 4G tech for a smooth experience. Before use, check if your SIM card is compatible with these frequency bands: GSM: 850/ 1900/1800/1900; WCDMA :B1/B2/B4/B5/B8; FDD B1/B2/B4/B5/B7/B8/B12/B17/B20/B28/B66;TDD:B34/B38/B39/B40/B41
1950mAh High-Capacity Battery:BLKE mini phone stands out with its substantial 1950mAh power source. This robust battery empowers the device to support extensive call durations, numerous text exchanges, and extended web browsing sessions. Boasting nearly double the capacity of its competitors, BLKE mini mobile phones significantly reduces the frequency of recharging. Whether your child is at school for a full day or out on an adventure, this long - lasting battery ensures continuous functionality without the hassle of constantly looking for a power outlet, making it the perfect companion for all - day usage scenarios.
High-Performance Mini Smart Phone：Powered by a quad-core processor,BLKE cheap mobile phone runs Android 12 smoothly with no lag. It supports a wide range of apps from the Google Play Store, like Facebook, YouTube, Instagram, WhatsApp, TikTok, Twitter, etc
64GB Ample Storage: The upgraded BLKE android phones boasts a generous 64GB internal memory, offering plenty of space for your photos, videos, music, documents, and more. Despite its compact size, this phone ensures you never have to compromise on storage. With dual-SIM functionality and an additional memory card slot, you can easily expand the storage capacity, making it perfect for storing all your important data and media without any hassle.
Ultra-Compact Mini Mobile Phone: Designed with a sleek and lightweight build, this mini phone features a 3.88-inch display and measures just 97.3 x 46.2 x 11.9mm, making it incredibly portable and easy to carry. Its stylish and compact design makes it perfect as a travel companion, a backup phone for outdoor adventures, or even as a thoughtful gift for kids. Small in size but big on functionality, it’s the ideal choice for those who value convenience and simplicity.
Package List：1*mini smartphone, 1*screen protector, 1*Type C cable, 1*phone case, 1*stuck pin, 1*user manual.

Hipipooo Mini Smartphone Unlocked 4G Mobile Phone 3.0 inches,Dual SIM,2600mAh Battery,2MP+5MP Camera,Face Unlock Student Pocket Cellphone

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Why We Love It

Compact and easy portability.
Excellent multifunctional features included.
Reliable 4G dual SIM.

Main Highlights

3.0 inch mini size: 94*47.4*12.5mm. Small size, can be placed in a wallet or clothing pocket, very portable and lightweight.
Multifunctional Phone: Supports voice and video calls, text messages, music playback, Bluetooth, FM, WIFI, face recognition, WhatsApp, OTG, GPS, 2MP+5MP camera. This phone can be used as a good backup phone when traveling and working.
4G Dual SIM: Support GSM:850/900/1800/1900. WCDMA:B1/B5/B8. FDD: B1/B3/B5/B7/B8/B20/B28/B28A. TDD: B34/B38/B39/B40 /B41.
CPU: Android 9, MT6739CW / Quad-core 1.28GHz.
👉Backup phone: This mini smartphone is equipped with a 2600mAh battery, which is enough to support your daily use.The light phone is useful as an emergency or for carrying when doing physical sports. Due to its small size and colorful colors, it can also be used as a children's mobile phone.

CatCalls Mini Smartphone Unlocked 4G Mobile Phone, 3.0 inches,32GB【Expandable up to 128GB】,Dual SIM Dual Camera, Android 10.0,Support WiFi Bluetooth Backup Phone (XS15-Black)

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Why We Love It

Ultra-light and compact design.
Compatible with popular apps.
Supports dual SIM functionality.

Main Highlights

Phone for kids: The ultra-small, ultra-light 3-inch display, exquisite exterior design, compact body with dimensions of 94*47.4*12.5 mm and light weight of 84 grams make the CatCalls XS15 a masterpiece in terms of appearance and feel.
Basic parameters: Android 10.0 os, MT6737 / Quad-Core, 1.28 GHz resolution: 480*854 TFT, 2000 mAh battery, 500W+500 camera, 3 GB RAM, 32 GB ROM.
Basic functions: Bluetooth, FM, WLAN, Face Unlock, OTG, GPS navigation. It also supports simultaneous insertion of 2 cards (Nano SIM + Nano SIM / 1 TF card) and offers additional storage space of 128 GB via TF card for more music, videos and apps.
Compatible apps: This unlocked phone is compatible with most apps in the Google Play Store, including Facebook, Youtube, Instagram, WhatsApp, Tiktok, Twitter, Google Maps and much more!
Unlocked mini Smart Phone: supports 2G GSM:B3/B5/B8(1800/850/900), 3G WCDMA:B1/B5/B8(2100/850/900）, 4G FDD:B1/B3/B5/B7/B8/B20(2100/1800/850/2600/900/800), 4G TDD:B39/B40(2600/1900/2300).

Mini Phone,Mini Smartphone for Kids,3.0" HD Screen, 2GB RAM + 16GB ROM,Face ID,Tiny,Compact WIFI Backup Mobile Phones for Kids World's Smallest Phone-Blue

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Why We Love It

World's smallest Android smartphone.
Crisp 3.0-inch HD display.
Durable and kid-friendly design.

Main Highlights

Ultra Tiny Design: As the world's smallestmobile phone, BLKE mini mobile phone is incredibly portable. It easily fits in your pocket, purse, or even on a keychain. Despite its small size, it still packs a powerful punch with its quad-core processor and Android operating system.
Compact Size, Massive Memory:BLKE cheap mobile phone surprises with its storage capabilities. It supports dual SIM, letting you slot in two SIMs from different providers. No more juggling two phones - stay connected on multiple networks with ease.
Mini Phone's Powerhouse Performance Despite its small stature,BLKE mini mobile phone offers robust functionality. Powered by a high - performance quad - core processor, it ensures smooth operation, free from lag. Whether toggling apps, gaming, or streaming, tasks are executed efficiently. With Android 8.1, it's a versatile device. It supports most apps from the Google Play Store. Social media platforms like Facebook, Instagram, and Twitter are fully compatible, as are video - sharing apps like YouTube and creative outlets such as TikTok. Messaging on WhatsApp? No problem. BLKE Mini Phone meets all digital needs in one compact package.
Compact Camera Power:The BLKE small phone is a photography gem. With a 2MP front and 5MP rear camera, it captures every moment. The front camera takes sharp selfies, while the rear one excels at landscapes and dynamic scenes, delivering vivid, detailed shots.Plus, its built - in facial recognition not only unlocks the phone with ease but also keeps your data private. This mini device combines great photography with security, fitting a lot into its compact frame.
Perfect Holiday Gift: BLKE kids smart phone is compact and lightweight, specially designed for kids' small hands, allowing for easy gripping. Its playful appearance instantly wins the hearts of children. Not only is it a favorite among kids, but its user - friendliness and portability also make it an excellent backup phone for travelers. Available in three stylish colors - cool black, refreshing blue, and lovely pink. Whether it's for Christmas or New Year, giving it to kids can kick - start their digital fun and learning journey, adding joy to the holiday season!

Unlocked 4G Mini Mobile Phone 3.0'' HD Small Screen,Android 10.0,Dual SIM Dual Camera,Face Unlock Student Pocket Cellphone (Black)

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Why We Love It

Compact and portable design.
Multifunctional with various features.
Reliable backup for daily use.

Main Highlights

4G network, it very easy to use, with Android 10.0 OS, support two nano SIM cards, 2GB RAM+16GB ROM, SD cards can up to 128GB, it can store more pictures and videos. 3.0 inch mini size: 94*47.4*12.5mm. Small size, can be placed in a wallet or clothing pocket, very portable and lightweight.
Multifunctional Phone: Supports voice and video calls, text messages, music playback, Bluetooth, FM, WIFI, face recognition, WhatsApp, OTG, GPS, 5MP+5MP camera. This phone can be used as a good backup phone when traveling and working.
Backup phone: This mini smartphone is equipped with a 2000mAh battery, which is enough to support your daily use.The light phone is useful as an emergency or for carrying when doing physical sports. Due to its small size and colorful colors, it can also be used as a children's mobile phone.
💖 Quality after-sales service; If you have any questions, please send us an email first. We will provide you with the best solution to make you 100% satisfied.

8.7

Excellent

We scanned 1601 products

We reviewed these offers relevant to the Mini Smartphone 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 Unihertz, Ulefone, BLKE, Hipipooo, CatCalls, McMgc, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Mini Smartphone in the market, we considered we took a deep dive into 8006 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 Unihertz Jelly Star Mini Smartphone, 3 Inch the World's Smallest Tiny Cell Phone 4G Android 13 Transparent Design LED Light NFC OTG, Black (NO Charger). We love many things about this product by Unihertz. What sets it apart from the competition is Transparent back design with LED, Versatile connectivity and features, Long-lasting 2000mAh battery.
The best value product for most shoppers and where user satisfaction is continuously the highest is Unihertz Jelly 2 - Compact Android 11 Mini Smartphone, 4G Unlocked, 6GB RAM + 128GB Storage, NFC, Dark Green (NO charger) by Unihertz based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Mini Smartphone and the best cost-to-value ratio is Mini Phone,Mini Smartphone for Kids,3.0" HD Screen, 2GB RAM + 16GB ROM,Face ID,Tiny,Compact WIFI Backup Mobile Phones for Kids World's Smallest Phone-Blueat BLKE with a 13% discount.
Our list of the best Mini Smartphone 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.

10 Best Mini Smartphone in The UK

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