LGF400S

Official firmware #4886 for F400S -LG G3 LTE-A

Download the latest versions of firmware for the LG G3 LTE-A, but don’t forget to look into whether the model number of your device corresponds to the indicated one F400S. The operating system version of the given firmware is Unknown, with build date 24.12.2016. The firmware code is SKT from REPUBLIC OF KOREA. Instruction how to flash stock firmware on LG phones here
  • File name F400S20F_00
  • File size 1.26 GiB
  • Model LGF400S
  • Operating system Unknown
  • Country Republic of Korea Republic of Korea
  • Region SKT
  • Description SK TELECOM
  • Hash b8a9f5f83533a979a813ca3fe6d14bd7

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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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