LG X420MM(LMX420MM) aka LG K40 Compare

Model and Features
Model LG X420MM
Series LG K40
Release Date
Depth
Size (width x height)
Weight
Operating System
Hardware
CPU
CPU Cores
RAM Memory
Internal Storage
External Storage
Network and Data
Number of sim slots
2G network
3G network
4G network
Data
Display
Screen size
Display Type
Display Resolution
Display Colors
Battery and Keyboard
Battery Capacity
Physical keyboard
Interfaces
Audio output
Bluetooth
DLNA
GPS
Infrared port
NFC
USB
WiFi
Region File name OS File size Date Downloads
MTD X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2922096464 2019-08-29 3 time(s)
MTK X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2922096464 2019-08-29 2 time(s)
MTP X420MM10g_00_MPCS_US_OP_0808.kdz Android 9 Pie 2922096464 2019-08-29 0 time(s)

How to Hard Reset on LG X420MM(LMX420MM) aka LG K40 ?


Type 1:

 

Type 2:

 

Type 3:

 

  1. Turn off the phone.
  2. Next press and hold the Power key and Volume down key for ten seconds.
  3. Release the power key while holding down the volume key.
  4. Next press the power button again.
  5. After these actions, the Factory Reset menu will appear on the screen.

    Type 1:

    Type 2:

  6. Use the Power key and Volume key to confirm the process.
  7. The hard reset is completed now.
  8. As a result of these actions, the memory of your phone cannot be restored.

How to Factory Reset through menu on LG X420MM(LMX420MM) aka LG K40 ?

  1. Open the Main Menu.
  2. Go to "Settings".
  3. In Settings choose "General".

  4. In General select "Backup & Reset".

  5. Next, clik on "Reset Phone".

  6. Confirm by clicking  "Erase Everything".

  7. Finally, press "OK".

  8. The hard reset is completed now. 
  9. As a result of these actions, the memory of your phone can not be restored.

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Others model from this series

LG K40 X420HM

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