i have a sprint lg g2.its rooted and have a custom twrp recovery.evrything is fine. my issue happens when i try to flash a rom.i download the rom of my choosing so far it has been all stock lg base roms. i boot into recovery,wipe data factory reset,wipe dalvik,wipe cache. install rom and reboot.as soon as i reboot it gets passed the lg logo but just keeps bootlooping on the splash screen.this happens in every rom i choose. what am i doing wrong? any help or ideas pls?