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Why can I flash JBL v1.9 but cannot flash a custom rom (TWRP 220.127.116.11)
I know nothing about this subject other than what I have picked up over the last week.
I stupidly erased my OS on my HTC EVO 4G.
I successfully flashed JBL v1.9 custom ROM BY Shagnasty. I flashed a zip file from my SD card using TWRP Recovery option.
I tried to do the same with stock ROMs but they failed. When a failure reason is given it is usually the binary updater file and when I have taken an updated binary updater file and put that in the stock rom the flash fails but without any reason given.
What I want to do is activate my phone for service with the Sprint dialer codes. I believe this function resides in the EPST.apk file but I don't think I can take that out of a stock rom and use it with custom roms?
If anyone can suggest something else to try I would be grateful.