Overview LG X420MM(LMX420MM) aka LG K40
Specification LG X420MM(LMX420MM) aka LG K40
| Model and Features | |
| Model | LG X420MM |
| Series | LG K40 |
| Release Date | March, 2019 |
| Depth | 8.3 mm (0.33 in) |
| Size (width x height) | 153.2 x 71.9 mm (6.03 x 2.83 in) |
| Weight | 144 g (5.08 oz) |
| Operating System | Android 9 Pie |
| Hardware | |
| CPU | 1.8GHz Snapdragon SDM450 |
| CPU Cores | Octa-core |
| RAM Memory | 2GB |
| Internal Storage | 32GB |
| External Storage | microSD, up to 2 TB |
| Network and Data | |
| Number of sim slots | 1 Nano-Sim |
| 2G network | GSM 850/900/1800/1900 MHz |
| 3G network | HSDPA 850/900/1900/2100 MHz |
| 4G network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 26(850), 28(700), 40(2300), 41(2500), 46, 48, 66(1700/2100) |
| 5G network | |
| Data | GPRS/EDGE |
| Display | |
| Screen size | 5.7 inches (~75.4% screen-to-body ratio) |
| Display Type | IPS LCD capacitive touchscreen |
| Display Resolution | 720 x 1440 pixels (~284 ppi density) |
| Display Colors | 16M colors |
| Battery and Keyboard | |
| Battery Capacity | Non-removable Li-Ion 3000 mAh |
| Physical keyboard | |
| Interfaces | |
| Audio output | 3.5mm jack |
| Bluetooth | version 5.0, A2DP, LE, aptX HD |
| DLNA | Yes |
| GPS | Yes, with A-GPS, GLONASS |
| Infrared port | No |
| NFC | No |
| USB | microUSB 2.0 |
| WiFi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
Firmwares LG X420MM(LMX420MM) aka LG K40
LG Phone firmwares regions descriptions| Region | File name | OS | Size | Date | Downloads |
|---|---|---|---|---|---|
|
MTD
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 31 time(s) |
|
MTD
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-10 | 17 time(s) |
|
MTD
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-26 | 2 time(s) |
|
MTK
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 20 time(s) |
|
MTK
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-10 | 7 time(s) |
|
MTK
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-26 | 3 time(s) |
|
MTP
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 14 time(s) |
|
MTP
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-09 | 9 time(s) |
|
MTP
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-25 | 1 time(s) |
Manual LG X420MM(LMX420MM) aka LG K40
How to Factory Reset through menu on LG X420MM(LMX420MM) aka LG K40 ?
- Open the Main Menu.
- Go to "Settings".
- In Settings choose "General".
- In General select "Backup & Reset".
- Next, clik on "Reset Phone".
- Confirm by clicking "Erase Everything".
- Finally, press "OK".
- The hard reset is completed now.
- As a result of these actions, the memory of your phone can not be restored.
How to Hard Reset on LG X420MM(LMX420MM) aka LG K40 ?
Type 1:
Type 2:
Type 3:
- Turn off the phone.
- Next press and hold the Power key and Volume down key for ten seconds.
- Release the power key while holding down the volume key.
- Next press the power button again.
- After these actions, the Factory Reset menu will appear on the screen.
Type 1:
Type 2:
- Use the Power key and Volume key to confirm the process.
- The hard reset is completed now.
- As a result of these actions, the memory of your phone cannot be restored.
Video LG X420MM(LMX420MM) aka LG K40
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