LMX420N

Official firmware #21440 for X420N -LG X4

Home → LG X4 → LGX420N → X420NO20b_00_OPEN_KR_OP_1120.kdz
Download the latest versions of firmware for the LG X4, but don’t forget to look into whether the model number of your device corresponds to the indicated one X420N. The operating system version of the given firmware is Android 9 Pie, with build date 21.12.2019. The firmware code is KOR from . Instruction how to flash stock firmware on LG phones here
  • File name X420NO20b_00_OPEN_KR_OP_1120
  • File size 2.5 GiB
  • Model LMX420N
  • Operating system Android 9 Pie
  • Country Unknown Unknown
  • Region KOR
  • Description Unknown
  • Hash b0e4048ddddd58d28dac9233d61061a0

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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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