LMX420HM

Official firmware #21678 for X420HM -LG K40

Home → LG K40 → LGX420HM → X420HM20a_00_ICE_CR_OP_1128.kdz
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 X420HM. The operating system version of the given firmware is Android 9 Pie, with build date 30.01.2020. The firmware code is CRI from COSTA RICA. Instruction how to flash stock firmware on LG phones here
  • File name X420HM20a_00_ICE_CR_OP_1128
  • File size 2.39 GiB
  • Model LMX420HM
  • Operating system Android 9 Pie
  • Country Costa Rica Costa Rica
  • Region CRI
  • Description COSTA RICA
  • Hash 77332abfc28c54bb347fbe41c72aefe3

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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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