mercredi 18 mars 2015

[Q] Need Assistance Unbricking Phone

Hello all, I'm no newbie to rooting phones and custom roms, but I seem to have managed to brick my phone. I was running Carbon ROM (4.4.4) and it was getting shaky, bluetooth bugging out, etc, so I switched over to a Lolipop rom. This one required the F2FS file system so I ended up flashing their custom TWRP and formatting the necessary areas. This was working great and I wasn't having any issues until the rom let me know it had an update. Now, I've had stable funtimes roms go bad with updates so I avoided it but the persistent message bothered me enough that I went ahead and flashed it.



That's when things started to go bad. Playing music or using a walkie-talkie app would sometimes cause it to just crash. And then the phone just spazzed out and I had a pink screen when trying to boot. I tried restoring different backups, installing a new rom, and clearing out the internal storage, data, cache, and such in TWRP. I also changed the file system back to EXT4. I was able to get a different 5.0 non-F2FS rom working but it would quickly crash. I was fed up and then I found out the TWRP I was running was custom and thus potentially unstable. I switched to the latest valid TWRP and tried to install another rom but it didn't work. I then decided that I needed a working base rom of some kind so I tried to odin flash a stock rom from SamMobile. This worked after a few tries but the system wouldn't boot, so I tried some other, older versions from SamMobile.



Right now I can get into download mode, and if I try to go into recovery it says "Firmware upgrade encountered an issue". I've tried several guides and such but none seem to want to play nice with my phone. It's an SGH-M919N that I purchased originally as a Metro PCS phone but have since been using as a T-Mobile phone just fine.



Any assistance would be greatly appreciated, at this point I just want something that can text and set alarms. :/





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