my D802 can't reboot with following method, could you please help me investigate how to fix it?
1. Can't enter download mode: I power it off, then hold volume up and plug in USB, but only the first screen shows up, can't enter the second one:
So I can't flash kdz image.
2.I am able to access TWRP with official factory default( power+volume down to power on, when LG logo shows up, release power and volume down, then hold power.). But no matter I flash CloudyFlex which in my sdcard, or sideload flash others ROM, the cell phone will no boot up, always stuck at LG logo.
Any possible way to fix? Thank you very much.