How to install the Kdz and tot file with LG up

LG Phone

Once you installed the LGUP_LSxx.msi file, You should locate the DLL file at:
“C:\Program Files(X86)\LG Electronics\LGUP\model\xxxx”

To Unbrick / Restore your LG LS770:

Please make sure you have latest LG USB drivers installed on your PC.

Files You need:

1) LGUP_Store_Frame_Ver_1_14_3: Download

2)LGUP_LS770.dll

3)LG LS770 Stock Firmware: LS770ZV5 or LS770ZV7

4)LG USB drivers: LGUnitedMobileDriver_S4981MAN37AP22_ML_WHQL_Ver_3.8.1.zip

Notes, You Should not use KingRoot to root the ZV7 firmware, The kingroot cause a boot loop issue.
If your current Software is ZV5, You can use the ZV5 or ZV7 software. But You can not flash a ZV5 firmware on a LS770 model with ZV7 software.