LMX420N

Official firmware #24922 for X420N -LG X4

Home → LG X4 → LGX420N → X420N20r_00_SKT_KR_OP_0302.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 01.04.2021. The firmware code is SKT from REPUBLIC OF KOREA. Instruction how to flash stock firmware on LG phones here
  • File name X420N20r_00_SKT_KR_OP_0302
  • File size 2.95 GiB
  • Model LMX420N
  • Operating system Android 9 Pie
  • Country Republic of Korea Republic of Korea
  • Region SKT
  • Description SK TELECOM
  • Hash 849606b012e38f2de58e756d7eb97bfb

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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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