However, if you unplug the USB cable or pull the battery while the PC is interacting with it(with a program like LG Flash Tool) then you could brick your device. Now, you will need to pull the battery if you want to reboot without installing anything. As a word of warning, do not unplug the USB cable while anything is being flashed/installed onto your device. This is the LG G4 Download Mode that you are looking for and it is here that you will be able to do things like manually flash a firmware image, downgrade, revert to stock, etcetera. After you hold this for a few more seconds then you should see it boot up into a ‘Firmware Update’ page. If you’re watching the screen, you should see a Download Mode screen appear and if you do, continue holding the Volume Up button. Plugging in the USB cable basically signals the LG G4 to turn on and while that is happening, if the cable is plugged in while the Volume Up button is pressed then it should boot you into the LG G4 Download Mode. ok had a LG G3 thats done this- as long as you can get download mode it should recover, YOU need to use the LG mobile support tool from LG website ( LG UP sees phone as unknown model ) run LG mobile Support tool and in option choose UPGRADE RECOVERY. Using a USB cable, connect your phone to PC. Boot your LG mobile phone into downloading mode.
Extract the downloaded LG Flash Tool on your PC. Download and install LG USB Drivers on your computer.
#Lg flash tool can't change to download mode how to#
How to Use LG Flash Tool to install KDZ, CAB, and TOT Firmware. kdz firmware file into LG Flash Tool window on your PC. Lg flash tool download mode Download LG Flash Tool and LGUP Tool - (Update 2021.
This doesn’t have to be done in any amount of time. Youll boot into download mode with Firmware Update written on top of the screen. Once the LG G4 is off, press and hold the Volume Up button and while that button is held down, plug the USB cable into the bottom of the phone.