Official firmware for X420QM - LG K40

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 X420QM. The operating system version of the given firmware is Android 9 Pie, with build date 28.05.2020. The firmware code is UCK from UNITED STATES. Instruction how to flash stock firmware on LG phones here
  • File name X420QM20e_00_USC_US_OP_0515
  • File size 2.46 GiB
  • Model LMX420QM
  • Operating system Android 9 Pie
  • Country United States United States
  • Region UCK
  • Description US CELLULAR_TULSA
  • Hash 90558a7e69513f2fcffd05d1fdd7b648

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