I have the same issue after putting the tempered glass on the screen.
I have also noticed without the tempered glass. this happened when i connected weaker charger of 1A.
When I bought new genuine LG charger for G2 I also continued to have issues...
there any problems with data, or reboots ?
this rom are have root ?
If you dont have the latest firmware you need to flash Turges http://forum.xda-developers.com/showthread.php?t=2423735 After that you wont have any problem with this rom.
Downloading -thanks man :good: