| Model and Features | |
| Model | LGM257 |
| Series | LG Harmony |
| Release Date | April, 2017 |
| Depth | 7.99 mm (0.31 in) |
| Size (width x height) | 148.7 x 75.3 mm (5.90 x 3.00 in) |
| Weight | 142 g (5.01 oz) |
| Operating System | Android 7.0 (Nougat) |
| Hardware | |
| CPU | 1.4 GHz Qualcomm Snapdragon 425 MSM8917 |
| CPU Cores | Quad-core |
| RAM Memory | 1.5GB |
| Internal Storage | 16GB |
| External Storage | MicroSD, Up to 256 GB |
| Network and Data | |
| Number of sim slots | 1 Nano-SIM |
| 2G network | GSM 850/900/1800/1900 MHz |
| 3G network | HSDPA 850/1700(AWS)/1900 MHz |
| 4G network | LTE1900 (B2), LTE1700/2100 (B4), LTE850 (B5), LTE700 (B12) |
| 5G network | - |
| Data | GPRS/EDGE |
| Display | |
| Screen size | 5.3 in (~69% screen-to-body ratio) |
| Display Type | IPS LCD capacitive touchscreen |
| Display Resolution | 720 x 1280 pixels (~277 ppi pixel density) |
| Display Colors | 16M colors |
| Battery and Keyboard | |
| Battery Capacity | Removable Li-Ion 2800 mAh |
| Physical keyboard | - |
| Interfaces | |
| Audio output | 3.5mm jack |
| Bluetooth | version 4.2, A2DP, LE |
| DLNA | No |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Infrared port | No |
| NFC | No |
| USB | microUSB 2.0 |
| WiFi | Wi-Fi802.11b/g/n, Wi-Fi Direct, hotspot |
Type 1: Type 2: Type 3: Press the Power button to turn off the device. Next, press and hold the...
Press the Power button to turn on the phone. Now, click on "phone's Dialer". Then, enter one of the proposed codes: 3845#*MODELCODE#...
Turn on the phone by pressing the Power button. Open the Main Menu. Go to "Settings". In "Settings" choose "General". In...
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SCHEMATIC OR SERVICE MANUAL !!!!!
link please
HI plz link for lg m257
PLSS LINK
Hello,
We haven't firmware for this model.