so,ive recently just rooted my phone and I wanted to test out Custom ROM with TWRP. I installed first Echoe ROm 4.4.2 then I tried with Ressurection Remix which was pretty good except that I couldnt get to notification settings and that I didnt like the notification setup, that was a 4.4.2 ROM aswell. I had to find another ROM since I somehow lost my APN/wifi and I cant get receive phonecalls nor surf the net. So I tried yesterday to install AllianceROM via twrp and when it was done and after ive cleared dalvik/cache and system like a wipe is I belive? Then the phone rebooted and the bootanimation kept flashing nonstop and it got stuck there. I tried to take out battery and insert it again and reeinstall the ROM but no use. So I read on xda that someone had a problem with their Note3 and someone said that you should get a stock version of android again and install that via Odin. Will it help to flash to the original samsung fw,so I atleast can get it working again or do I have to accept that I just screwed my phone. While I was checking for ROM version I came across some things that I dont know much about. Like Kitkat bootloader from 4.3.x to 4.4.2 and the upgrading,and how do I check what version of bootloader I have? Also what does Base build and kernel have to do when I flash from a previous ROM to a new ROM? And what kind of step do I take when I want to go from 4.4.2 to 4.4.4? I also understand once I go from 4.4.2 to 4.4.4 I cant go back to 4.4.2 ROM version? Thanks for any help toward my issue.