I have rooted my Straight Talk Samsung Galaxy Grand Prime (SM-S920L) running with Android 5.0 and while trying to load TWRP recovery I messed up with my device and now, I can only get into download mode. It says "Set warranty bit : kernel". Samsung's website doesn't list my device and it turns out to be a model Samsung makes for the TracFone network, so I am at a dead end. Using Odin I have tried other firmware with no luck and Samsung Kies is also of no use.
What can I do now to get my phone working again?
SM-Gxxx
variants, I don't think OP should try it. Scotty: I found this thread which claims to have a cobbled-together ROM that will work if you flash it via Odin. I can't find stock firmware anywhere. – Matthew Read Mar 07 '16 at 04:45