C81 Review, Price, Specs & Features (2025)
BenQ-Siemens • Released on , March
C81 is one of the latest smartphones from BenQ-Siemens in 2025. This C81 review covers all the key features, specifications, price, and expert analysis you need to know before buying. If you're looking for a powerful, affordable, and feature-rich phone, the C81 could be your best choice in 2025.
The C81 features a 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio) display, 1.3 MP camera, 23MB storage, RS-MMC slot storage, and a 820 mAh battery, . Powered by a modern processor and running on Android, this device is designed for users who demand performance and reliability.
In this detailed C81 review, you'll find the latest price, user reviews, expert opinions, and a comparison with other top BenQ-Siemens phones. Whether you're interested in the C81 camera, battery life, storage or we've got you covered.



C81 Specifications
- Display: 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio) screen for immersive viewing experience
- Camera: 1.3 MP camera system for high-quality photography
- Storage: 23MB storage, RS-MMC slot internal storage for apps and media
- Battery: 820 mAh battery for all-day usage
Network
Technology | GSM |
2G Bands | GSM 900 / 1800 / 1900 |
Launch
Announced | 2006, March |
Status | Discontinued |
Body
Dimensions | 104 x 46.5 x 17.7 mm (4.09 x 1.83 x 0.70 in) |
Weight | 90 g (3.17 oz) |
SIM | Mini-SIM |
Display
Type | TFT, 256K colors |
Memory
Card slot | RS-MMC |
Internal | 23MB |
Sound
Loud Speaker | No |
Comms
WLAN | No |
Bluetooth | 1.2, A2DP |
Positioning | No |
Radio | No |
USB | 2.0 |
Battery
Type | Removable Li-Ion 820 mAh battery |
MISC
Colors | Piano Black |
Disclaimer: We cannot guarantee that the information on this page is 100% correct. |
FAQ
Water resistance varies by model. Check the device specifications for IP rating details.
No, this product does not support 5G connectivity.
C81 has no operating system.
No, this product does not support wireless charging.
The C81 features a 820 mAh battery capacity.
The C81 comes with a 1.3 MP main camera.
The C81 features a 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio) display. With 132 x 176 pixels, 4:3 ratio (~122 ppi density) resolution for crisp and clear visuals. The TFT, 256K colors technology ensures vibrant colors and excellent viewing angles.
The C81 is equipped with sufficient RAM for smooth multitasking and performance.
Expert Analysis
Our team of mobile technology experts has analyzed the C81 specifications to help you understand how this device compares to other smartphones in its category. This comprehensive guide provides detailed insights into the phone's capabilities, performance potential, and suitability for different use cases.
Who Should Consider This Phone?
The C81 is ideal for users who prioritize photography, ample storage, long battery life . Whether you're a casual user, content creator, or business professional, this device offers the features you need for modern smartphone usage.
Why Choose C81?
The C81 stands out in the competitive smartphone market with an impressive 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio) display, an advanced 1.3 MP camera system, a long-lasting 820 mAh battery.
Why Buy C81?
- Long-lasting 820 mAh battery and fast charging support
- High-resolution 1.3 MP camera for stunning photos and videos
- Large 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio) display for immersive viewing
- Great for gaming, streaming, and everyday use
C81 vs Competitors
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