On a Smartphone, flashing a rom or flashing Firmware simply makes your device return to its normal operating state, overcoming some serious situations such as boot loops, bricking, etc. The following instructions will help. you re-upload rom for LG smartphone via LGUP tool
Download the tools below then install on your Windows computer, prepare the appropriate USB cable and connect the LG device to the PC
- Download LG Flash Tool: LG Flash Tool (Latest Version)
- LG usb driver on Windows (if not already)
- Download LG Stockrom
Updating LG smartphone rom:
Turn off the LG smartphone and then press and hold the Volume Up key.
While holding down the Volume Up key, connect your device to your PC using a USB cable.
Release the Volume Up button when Download Mode appears on the screen.
Then open LGUP and select Upgrade
Next, in the File Type section, select the path to where to save the KDZ format rom
The last Start button.
That is all! In a few minutes the latest rom update will be installed on your phone.