Solved Flash Stock Firmware on LG K8 (K350 All Models)

Arjun Chandran

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Fix "Your device is corrupted and cannot be trusted and may not work properly" error on LG K8 K350DS / K350E / K350F / K350H / K350K / K350N / K350NDS / K350TR / K350Y / K350Z. In this post, ill give simple steps to flash the stock ROM on your LG K8.

First, you will have to download the firmware KDZ file for your model. Download from the links below:
K350DS / K350E / K350F / K350H / K350K / K350N / K350NDS / K350TR / K350Y / K350Z

Download and install the softwares provided below to your PC:
LG UP v1.14
LGUP_Common
LG Drivers


LGUP LG K8 LG-K350Z

Instructions To Flash:
  1. Press and hold Volume Down and Power button on your phone then connect it to your PC, and the phone will go into download mode.
  2. Open LGUP on your PC.
  3. Select BIN File ( the .KDZ firmware file that you downloaded).
  4. Then click on the Start button.
  5. Wait for it to complete.
  6. Done!
 

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