LG Harmony M257 Firmware
Learn how to dump LG Harmony M257 firmware with LGUP and use Partition DL feature to flash the single system.img to restore LG Harmony M257 back to stock.
ALL LG devices from AT&T and Cricket Wireless support firmware Over The Air Software Update only, So You cannot download stock kdz firmware for phones with IMEI.
No worry, We can use LGUP or Z3X box to dump the stock firmware from a working LG Harmony M257 phone.
In this post, we will share with you the guide on how to dump Cricket LG Harmony M257 software (ALL partitions) with LG UP TOOL.
How to dump firmware for LG Harmony M257 with LGUp
1) Install LG USB drivers2)Install LG UP 1.14 Original
3)Download LGUP Patched & DLLUnzip LGUP.rar, and copy all files into the folder where you installed the LGUP.In my case, I copied all the files extracted from LGUP.tar to C:\Program Files (x86)\LG Electronics\LGUPand overwrite the existing files & folders.
How to restore/unbrick your Cricket LG Harmony (M257).
If you experience any issues during the DUMP process, please let us know at [email protected]