Advertising Disclosure Active Dual Sim Smartphone Comparison - October 2025
3 Best Active Dual Sim Smartphone In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2  9.5Excellent | 3  9.3Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelOUKITEL C51 Mobile Phones Sim Free Unlocked - 6.8" HD+ Display Smartphone 16GB+128GB/1TB, Android 13 Mobile Phones Dual Sim 4G, 13MP+5MP Camera, 5150mAh, Fingerprint+Face Unlock, OTG/GPS/Blue | Model Blackview WAVE 8 Unlocked Mobile Phones, 12GB+128GB/2TB, Octa-Core 4G Android 14 Smart Phone, 13MP+8MP AI Camera 5000mAh/10W, Dual SIM Smartphone, 6.56" HD+, GPS/OTG, Fingerprint/Face ID, Purple | Model Hammer Active Dual Sim 4.7" Tough Rugged Waterproof IP68 Sim Free 3G Smart Phone -Black/Orange |
BrandOUKITEL | Brand Blackview | Brand Hammer |
Reviews | Reviews  | Reviews |
Tech Specs | ||
product dimensions16.76 x 7.8 x 0.89 cm 200 g | product dimensions 13.6 x 7.5 x 0.8 cm 192 g | product dimensions 1 x 6 x 18 cm 300 g |
batteries1 Lithium Polymer batteries required. included | batteries 1 Lithium Polymer batteries required. included | batteries 1 Lithium Ion batteries required. included |
Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1OUKITELOUKITEL C51 Mobile Phones Sim Free Unlocked - 6.8" HD+ Display Smartphone 16GB+128GB/1TB, Android 13 Mobile Phones Dual Sim 4G, 13MP+5MP Camera, 5150mAh, Fingerprint+Face Unlock, OTG/GPS/Blue
Why we love it
Smooth multitasking with 18GB RAM.
Large 6.8-inch HD+ display.
Long-lasting 5150mAh battery.
Main highlights- 【6.8-inch HD+ Dual Sim Smartphone】The C51 is equipped with a 6.8-inch HD+ waterdrop screen with a resolution of 720*1600.The C51 also supports 4G WIFI and 4G Dual SIM, and with the fast 4G LTE network, you can seamlessly browse and fully explore the online world. It also features a 3.5mm headphone jack and advanced navigation technologies such as GPS,GLONASS,Beidou,Galileo.
- ️【OUKITEL Official Service】OUKITEL provides a 30-day no-questions-asked return policy, two-year warranty, long-term technical support and 24-hour online customer service. When you choose OUKITEL smartphones, you choose a safe shopping experience and dedicated customer service.
- 【6GB RAM, 128GB ROM, 1TB Expandable】The newly upgraded memory expansion technology has ultra-large memory and ultra-fast speed.12GB of RAM supports multitasking and is able to switch and respond faster. In addition, the C51 has a large storage capacity of 128GB ROM and supports memory expansion of up to 1TB, providing you with plenty of storage space to store all your files and pictures effortlessly.
- 【5MP+13MP Camera-4G Smartphone】OUKITEL phone is equipped with Pro-level camera system, triple different lenses. 13MP ultra-clear main camera, supports panorama, portrait, night mode, bringing you the clearest and most vivid color shooting experience. 5MP front camera uses the "AI Beautify" intelligent mode, recording your beautiful state more naturally.Bokeh Mode brings more creativity and expression to mobile photography.
- 【Android 14 Sim-free & Unlocked Mobile Phones】OUKITEL C51 mobile phone size: 6.6'' x 3.07'' x 0.35'', weight: 205g. Equipped with the Android 14 system and an octa-core processor, the system not only runs smoother but also introduces advanced comprehensive security features that focus more on your privacy and security. The octa-core processor allows you to run multiple apps at the same time. This Android smartphone comes in three color options: Black/ Blue/Purple. Upgrade to the C51 today and enhance your smartphone usage experience.
- ️【5150mAh Large Battery & 10W Fast Charging】OUKITEL C51 Smartphone with a 5150 mAh battery, the battery life is up to 310 hours of standby time, talk time of up to 20 hours, no need to worry about the power anymore, when the battery is almost exhausted, you can switch to saving mode. The OUKITEL C51 supports 10W fast charging and OTG support 5V0.5A, so you can easily transfer data between devices, making your phone smarter and more efficient and quickly meeting your needs.
- ️【Face ID+ Fingerprint Unlock】The C51 offers the convenience of Face Unlock and Fingerprint Unlock. Fingerprint sensor is built into the side button, making it user-friendly while providing greater accuracy and security. You can instantly unlock your phone by simply touching the
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9.5
2Blackview
Blackview WAVE 8 Unlocked Mobile Phones, 12GB+128GB/2TB, Octa-Core 4G Android 14 Smart Phone, 13MP+8MP AI Camera 5000mAh/10W, Dual SIM Smartphone, 6.56" HD+, GPS/OTG, Fingerprint/Face ID, Purple
Main highlights- 【Worry-free After-sales Service】Shop with confidence! This sim-free and unlocked mobile phone comes with a 2-year UK service, making it ideal for pay as you go phones. Our dedicated support team ensures quick resolution for any queries. A trusted choice among sim free mobile phones unlocked for peace of mind.
- 【High-definition Dual Camera | 13MP + 8MP】Capture life in crisp detail with this flexible dual sim smartphone. The 13MP rear camera delivers vibrant shots, while the 8MP front camera excels in selfies and video calls. Perfect for everyday moments.
- 【Flagship Performance | Octa-Core & 12GB RAM】The Blackview WAVE8 is a powerhouse gaming phone with its Octa-Core Chipset and massive 12GB RAM (4GB + 8GB dynamic expansion). Run demanding apps and games seamlessly on the latest Android 14 OS – it's the ultimate android 14 phone for multitasking. As a top smartphone android phone, it's ideal for mobile phones android enthusiasts who need speed without compromise. Perfect for work, play, and everything in between.
- 【Extra-large Storage Space | 128GB + 2TB Expandable】Never run out of space with this Blackview mobile phone! Enjoy 128GB built-in storage, expandable to 2TB via TF card. Among the smartphones for sale, this versatile smart phone handles all your photos, videos, and apps effortlessly. A must-have for on-the-go users.
- 【All-day Battery Life | 5000mAh Durable Battery】Stay connected all day with the robust 5000mAh battery in this reliable 4g smartphone. Stream videos, browse social media, or handle work tasks on 4G networks without frequent charging. A true 4g mobile phone designed for the active British lifestyle.
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9.3
3Hammer
Hammer Active Dual Sim 4.7" Tough Rugged Waterproof IP68 Sim Free 3G Smart Phone -Black/Orange
Why we love it
Durable and waterproof design.
Lightweight and easy to handle.
Reliable dual SIM functionality.
Main highlights- Ultra-thin design (10.8 mm thick), which makes it very lightweight and easy to use
- Twin camera's 8MP rear 2MP front
- Rubber construction that is resistant to falls of up to 1.5m
- Robust dual sim 3G smart phone with IP68 waterproof rating
- 4.7" Gorilla Glass 3 screen & Bluetooth connectivity
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
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Consumer Reviews
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Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
