| Network | Technology |
GSM
|
|---|---|---|
| Launch | Announced | 2010 |
| Status | Discontinued | |
| Body | Dimensions | 105 x 43 x 14 mm (4.13 x 1.69 x 0.55 in) |
| Weight | 80 g (2.82 oz) | |
| SIM | Dual SIM (Mini-SIM) | |
| Features | Flashlight | |
| Display | Type | TFT |
| Size | 1.8 inches, 10.2 cm2 (~22.6% screen-to-body ratio) | |
| Resolution | 176 x 220 pixels (~157 ppi density) | |
| Platform | OS | Android 5.1 (Lollipop) |
| Chipset | Mediatek MT8321 (28 nm) | |
| CPU | Quad-core 1.3 GHz Cortex-A7 | |
| GPU | Mali-400 | |
| Memory | Card slot | microSDHC (dedicated slot) |
| Phonebook | 1000 entries | |
| Call records | 20 dialed, 20 received, 20 missed calls | |
| Main Camera | Single | VGA |
| Features | LED flash, panorama | |
| Video | Yes | |
| Selfie camera | Single | 2 MP |
| Features | No | |
| Sound | Loudspeaker | Yes |
| Comms | WLAN | No |
| Bluetooth | 2.0 | |
| Positioning | No | |
| Radio | Stereo FM radio | |
| USB | microUSB | |
| Features | Features |
Black/white list Audio/video player |
| Messaging | SMS, MMS | |
| Games | Yes | |
| Java | No | |
| Battery | Type | Removable Li-Ion 1000 mAh battery |
| Stand-by | Up to 400 h | |
| Talk time | Up to 5 h 20 min | |
| Misc | Colors | Black/Blue |
Mini Review & Verdict
A smart summary of the Celkon C357
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 Celkon C357 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 1000mAh removable battery, it easily delivers multi-day or even week-long standby times between recharges. In summary, the Celkon C357 is an unpretentious, rock-solid communication tool tailored for users seeking absolute reliability, simplicity, and unbeatable standby endurance.
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