| 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 |
| Region | File name | OS | Size | Date | Downloads |
|---|---|---|---|---|---|
|
MTD
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 180 time(s) |
|
MTD
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-10 | 49 time(s) |
|
MTD
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-26 | 19 time(s) |
|
MTD
|
X420MM10o_00_MPCS_US_OP_0205.kdz | Android 9 Pie | 2.77 GiB | 2020-02-27 | 37 time(s) |
|
MTD
|
X420MM10p_00_MPCS_US_OP_0408.kdz | Android 9 Pie | 2.77 GiB | 2020-05-21 | 21 time(s) |
|
MTD
|
X420MM10q_00_MPCS_US_OP_0619.kdz | Android 9 Pie | 2.81 GiB | 2020-07-16 | 12 time(s) |
|
MTD
|
X420MM10r_00_MPCS_US_OP_0805.kdz | Android 9 Pie | 2.81 GiB | 2020-09-03 | 7 time(s) |
|
MTK
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 34 time(s) |
|
MTK
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-10 | 22 time(s) |
|
MTK
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-26 | 34 time(s) |
|
MTK
|
X420MM10o_00_MPCS_US_OP_0205.kdz | Android 9 Pie | 2.77 GiB | 2020-02-27 | 16 time(s) |
|
MTK
|
X420MM10p_00_MPCS_US_OP_0408.kdz | Android 9 Pie | 2.77 GiB | 2020-05-21 | 7 time(s) |
|
MTK
|
X420MM10q_00_MPCS_US_OP_0619.kdz | Android 9 Pie | 2.81 GiB | 2020-07-16 | 4 time(s) |
|
MTK
|
X420MM10r_00_MPCS_US_OP_0805.kdz | Android 9 Pie | 2.81 GiB | 2020-09-03 | 4 time(s) |
|
MTP
|
X420MM10g_00_MPCS_US_OP_0808.kdz | Android 9 Pie | 2.72 GiB | 2019-08-29 | 49 time(s) |
|
MTP
|
X420MM10k_00_MPCS_US_OP_0923.kdz | Android 9 Pie | 2.77 GiB | 2019-10-09 | 80 time(s) |
|
MTP
|
X420MM10n_00_MPCS_US_OP_1129.kdz | Android 9 Pie | 2.77 GiB | 2019-12-25 | 17 time(s) |
|
MTP
|
X420MM10o_00_MPCS_US_OP_0205.kdz | Android 9 Pie | 2.77 GiB | 2020-02-27 | 30 time(s) |
|
MTP
|
X420MM10p_00_MPCS_US_OP_0408.kdz | Android 9 Pie | 2.77 GiB | 2020-05-21 | 15 time(s) |
|
MTP
|
X420MM10q_00_MPCS_US_OP_0619.kdz | Android 9 Pie | 2.81 GiB | 2020-07-16 | 6 time(s) |
|
MTP
|
X420MM10r_00_MPCS_US_OP_0805.kdz | Android 9 Pie | 2.81 GiB | 2020-08-29 | 16 time(s) |
Type 1: Type 2: Type 3: Press the Power button to turn off the device. Next, press and hold the...
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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