LMX420QM6

Official firmware #23389 for X420QM6 -LG K40

Download the latest versions of firmware for the LG K40, but don’t forget to look into whether the model number of your device corresponds to the indicated one X420QM6. The operating system version of the given firmware is Android 9 Pie, with build date 12.09.2020. The firmware code is RCH from . Instruction how to flash stock firmware on LG phones here
  • File name X420QM620e_00_CHT_US_OP_0806
  • File size 2.6 GiB
  • Model LMX420QM6
  • Operating system Android 9 Pie
  • Country Unknown Unknown
  • Region RCH
  • Description Unknown
  • Hash e2bea960d76535daf5b39f432dc7548d

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Instructions

LG UP
  1. Download to your PC: LG UP 1.14 or LG UP 1.16.
  2. Next download and extract the KDZ firmware file.
  3. LG uses KDZ format when posting official firmware releases.
  4. Now turn off your device and enter Download mode.
  5. Press and hold the Volume Up key and then connect USB cable.
  6. Open LG UP next choose "Upgrade" and select your KDZ file(You can choose KDZ file here).
  7. Finally click on "Start" key. Your device will now reboot and disconnect from the PC.
LG Flash Tool 2014
  1. Download to your PC: LG Flash Tool 2014.
  2. Next download and extract the KDZ firmware file.
  3. LG uses KDZ format when posting official firmware releases.
  4. Now turn off your device and enter Download mode.
  5. Press and hold the Volume Up key and then connect USB cable.
  6. Open LG Flash Tool 2014 and select your KDZ file (You can choose KDZ file here), choose type "CDMA" then tap "CSE Flash".
  7. Next select "Different Country" and "English" language.
  8. Finally click on "OK". Your device will now reboot and disconnect from the PC.
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