| Prices | Price (USD) | USD $86.40 USD |
|---|---|---|
| Official Price | Global About 80 EUR | |
| Network | Technology |
GSM
|
| Launch | Announced | 2006, February |
| Status | Discontinued | |
| Body | Dimensions | 89 x 49 x 18 mm (3.50 x 1.93 x 0.71 in) |
| Weight | 95 g (3.35 oz) | |
| SIM | Mini-SIM | |
| Display | Type | TFT, 256K colors |
| Size | 2.2 inches, 40 x 40 mm, 15.6 cm2 (~35.7% screen-to-body ratio) | |
| Resolution | 120 x 128 pixels (~80 ppi density) | |
| Platform | OS | Android 6 (Marshmallow), Cool UI 8 |
| Chipset | Mediatek MT6735P (28 nm) | |
| CPU | Quad-core 1.0 GHz Cortex-A53 | |
| GPU | Mali-T720MP2 | |
| Memory | Card slot | miniSD |
| Internal | 20MB | |
| Phonebook | Yes, Photo call | |
| Call records | 10 dialed, 10 received, 10 missed calls | |
| Main Camera | Single | 1.3 MP |
| Features | LED flash | |
| Video | No | |
| Selfie camera | Single | 8 MP, f/2.2 |
| Features | No | |
| Sound | Loudspeaker | No |
| 3.5mm jack | No | |
| Features | 3D surround sound | |
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones | |
| Comms | WLAN | No |
| Bluetooth | 1.2, A2DP | |
| Positioning | No | |
| Radio | FM radio | |
| USB | Proprietary | |
| Features | Features |
WMA/MP3/AAC/AAC+ player Predictive text input Voice memo Stopwatch Organizer |
| Messaging | SMS, MMS | |
| Browser | WAP 2.0/xHTML | |
| Games | Yes + downloadable | |
| Java | Yes, MIDP 2.0 | |
| Battery | Type | Removable Li-Ion 870 mAh battery |
| Stand-by | Up to 200 h | |
| Talk time | Up to 4 h | |
| Misc | Colors | Flashy White, Black |
Mini Review & Verdict
A smart summary of the BenQ-Siemens EF51
Advantages
- Outstanding multi-day or week-long standby battery longevity between charges
- Tactile physical alphanumeric keypad providing positive-click dialing and messaging
- Tough, drop-resilient casing engineered to withstand everyday accidental drops
- Streamlined, distraction-free mobile experience dedicated strictly to core calling and SMS
Disadvantages
- Restricted to fundamental calling and text functions without modern app store ecosystems
- Compact non-touch display with modest resolution and limited viewing angles
- Rudimentary camera sensor designed only for basic snapshot documentation
Built with a steadfast commitment to straightforward utility and rugged durability, the BenQ-Siemens EF51 stands as a dependable voice and text communicator. Featuring an ergonomic handheld footprint and a tactile physical alphanumeric keypad, the phone ensures swift, error-free dialing and messaging with positive physical key travel.
Operating without the bloated overhead of complex modern operating systems, the device delivers instant, lag-free responsiveness. Speaker acoustics are loud and punchy, ensuring clear voice call intelligibility even in bustling outdoor environments. A rudimentary camera sensor is included for quick, practical snapshots when documenting basic references.
Where this phone truly triumphs is power endurance: sustained by a 870mAh removable battery, it easily delivers multi-day or even week-long standby times between recharges. In summary, the BenQ-Siemens EF51 is an unpretentious, rock-solid communication tool tailored for users seeking absolute reliability, simplicity, and unbeatable standby endurance.
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