LGK121

Official firmware #18454 for K121 -LG K4 LTE

Home → LG K4 LTE → LGK121 → K12110f_00_0912.kdz
Download the latest versions of firmware for the LG K4 LTE, but don’t forget to look into whether the model number of your device corresponds to the indicated one K121. The operating system version of the given firmware is Android 5.1.x Lollipop Mirror Release, with build date 14.03.2019. The firmware code is EST from CANADA. Instruction how to flash stock firmware on LG phones here
  • File name K12110f_00_0912
  • File size 1.13 GiB
  • Model LGK121
  • Operating system Android 5.1.x Lollipop Mirror Release
  • Country Canada Canada
  • Region EST
  • Description EASTLINK
  • Hash 759fd05e78c7202ea7d487da1ef2da54

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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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