First, you must have version 4.8.2 installed (just replace it in /system/app with the new com.android.vending.apk)Dow...
How do install a apk from adb command line? ADB Install Fails With INSTALL_FAILED_TEST_ONLY Failure [INSTALL_FAILED_...
1 Install LG Support Tool v.1.6.7.1 2 Extract HardReset_LG_Flasher.7z 3 Copy LGMLauncher.exe and LGUserCSTool.exe to ...
https://www.zacpod.com/category/gw620/http://opensource.lge.com/osSch/list?types=ALL [[APP] Superuser 2.3.6.1 - Now o...