A review by Felix Cheng The LG Mobile Support Tool for the PC is one of the things you're going to have installed if you want to perform a firmware update on your cell phone. Continue holding Volume Up button throughout download mode until fastbood mode appears and you can release the Volume Up button. “LG K51 Firmware” is the software that is provided by the vendor, or You may say that the software. A list of models supported by this tool is given below: LG 1200.
This will boot the phone into download mode.
