This is the official Stock kdz firmware build v10b for the ATT LG K371 smart phone.
You can use LG Up to flash this kdz firmware to unbrick/restore your LG K371 BACK to stock. Please note that it works on LG K371 with v10a or v10b firmware only.
Please do not try to down grade the OS of your LG K371 phone.
Download LG K371 STock Firmware v10b:
zIP password: K371?arb20160423!~Zfc^!
To unbrick/restore LG K371 back to stock,You also need to install:
Now, Put your phone into download mode and run the LG UP
From LG main screen, Choose upgrade process and click bin/file to select the K371 kdz firmware
Click start to flash the kdz firmware, wait until it is 100% completed
if you experience any issues, please contact us