I installed an app chainfire3d (something like that) and ran it it told me i had to reflash something but i was being stupid and but ok. the tablet is now stuck on the boot thing(Samsung galaxy TAB4 sm-t230nu) i kept holding the power button and the bottom button and the volume button and kept trying that until i got teamwin (i dont know how i had it on there) and i pressed factory reset and data reset (hoping that would fix it) i dont know if i deleted EVERYTHING including the android os or i just deleted my stuff (my apps,photos,music etc.) could someone tell me what i did exactly i want to fix my tablet. please help me i beg all of you to help me with this problem.just tell me what i need to fix it thank you for everything.
You can flash stock rom via odin .
Links odin; http/odindownload.com/
select firmware download then open odin and select pda and select Md5 file and wait. Then after flashing rom go into recovery and select wipe data/factory reset this should fix your problem.