Phone: Samsung Galaxy Mega 5.8 (i9152 aka crater)
Current ROM: 12.1-20150614-UNOFFICIAL-i9152 (from link below, I've tried every version prior to it)
Link to ROM: [ROM] [5.1.1] [UNOFFICIAL] [GT-I9152] [DUALSIM] CyanogenMod 12.1
Recovery: TWRP 2.8.5.0 F2FS (Using vfat) (as requested by OP from link above)
Baseband: I9152XXUAML4
Kernel: 3.0.101+ | kiborg_man@ubuntu #1 | Sun Jun 14 17:41:34 MSK 2015
SELinux status: Enforcing
I've tried doing an advanced wipe with everything but external storage checked, and then fresh installing the ROM using TWRP v2.8.5.0 AFTER verifying the checksum to be true with the author, followed by the appropriate GAPPS, followed by a Factory Reset just to be sure to wipe cache/dalvik/data. I use the vFAT filesystem. I've tried this several times using different builds, all of which only 1 or 2 others have had the same problem with as me. I even tried the CM12/5.0 builds before this came out, same issue.
The Issues:
1) Screen would randomly go black, displaying only the status bar at the top, switching to the GOLauncher seemed to have fixed this as it used to happen all the time and I can't recall it happening recently.
2) Phone will randomly reset, might happen every 2 minutes, might happen every 4 hours, might happen 2 times a day, or not at all for a couple days. Happens regardless of battery levels, full or empty.
I have gone through everything I can think of trying to figure out why the resets keep happening...
The battery is fine, first and foremost, I checked it both physically, and jarring the phone slightly trying to shake it away from the contacts, no power loss.
I've adb logcat 'd it to a file and reviewed several entries before the crash happens, didn't find anything useful, although I guess I should let someone more qualified review that. I've since lost that logcat, but will take another if someone wants it after redacting of any identifying information.
I've also run a stability test (that the instructions say up to 5 hours for some phones to show instability) for 9 nearly 9 hours straight with the CPU overclocked at 1600mhz with no crash, phone is 1400 mhz stock.
I booted into recovery, umount /system, umount /data, umount /cache, umount /efs.
Then used e2fsck to check MMC (/dev/block/mmcblk*) and there are 0 bad blocks on all checks.
The storage is fine and not failing.
I don't know what the problem could be...
Current ROM: 12.1-20150614-UNOFFICIAL-i9152 (from link below, I've tried every version prior to it)
Link to ROM: [ROM] [5.1.1] [UNOFFICIAL] [GT-I9152] [DUALSIM] CyanogenMod 12.1
Recovery: TWRP 2.8.5.0 F2FS (Using vfat) (as requested by OP from link above)
Baseband: I9152XXUAML4
Kernel: 3.0.101+ | kiborg_man@ubuntu #1 | Sun Jun 14 17:41:34 MSK 2015
SELinux status: Enforcing
I've tried doing an advanced wipe with everything but external storage checked, and then fresh installing the ROM using TWRP v2.8.5.0 AFTER verifying the checksum to be true with the author, followed by the appropriate GAPPS, followed by a Factory Reset just to be sure to wipe cache/dalvik/data. I use the vFAT filesystem. I've tried this several times using different builds, all of which only 1 or 2 others have had the same problem with as me. I even tried the CM12/5.0 builds before this came out, same issue.
The Issues:
1) Screen would randomly go black, displaying only the status bar at the top, switching to the GOLauncher seemed to have fixed this as it used to happen all the time and I can't recall it happening recently.
2) Phone will randomly reset, might happen every 2 minutes, might happen every 4 hours, might happen 2 times a day, or not at all for a couple days. Happens regardless of battery levels, full or empty.
I have gone through everything I can think of trying to figure out why the resets keep happening...
The battery is fine, first and foremost, I checked it both physically, and jarring the phone slightly trying to shake it away from the contacts, no power loss.
I've adb logcat 'd it to a file and reviewed several entries before the crash happens, didn't find anything useful, although I guess I should let someone more qualified review that. I've since lost that logcat, but will take another if someone wants it after redacting of any identifying information.
I've also run a stability test (that the instructions say up to 5 hours for some phones to show instability) for 9 nearly 9 hours straight with the CPU overclocked at 1600mhz with no crash, phone is 1400 mhz stock.
I booted into recovery, umount /system, umount /data, umount /cache, umount /efs.
Then used e2fsck to check MMC (/dev/block/mmcblk*) and there are 0 bad blocks on all checks.
The storage is fine and not failing.
I don't know what the problem could be...
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