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It is Samsung Galaxy Note 2, unrooted. I factory reset my phone to stock ROM about a week ago. Suddenly it became unbootable today. I didn't do anything risky. If my memory serves, I simply updated an app one day before this incident.

It always stuck at the Samsung Galaxy Note 2 logo screen. I can boot to recovery mode and download mode.

The following errors displayed when I booted to recovery mode:

Android system recovery < 3e >
KOT49H.N7100ZSUFNL1

E:failed to mount /efs (No such file or directory)
E:failed to mount /system ((No such file or directory))

# MANUAL MODE #
--Appling Multi-CSC
E:failed to mount /system (No such file or directory)
can't mount '/system' (No such file or directory)
E:failed to mount /cache (No such file or directory)
can't mount '/cache' (No such file or directory)
E:failed to mount /cache (No such file or directory)
E:can't mount /cache/recovery/last_recovery
E:failed to mount /data (No such file or directory)
E:can't mount /data/log/recovery_log.txt
E:failed to mount /system (No such file or directory)
E:failed to mount /cache (No such file or directory)
E:can't mount /cache/recovery/log
E:can't open /cache/recovery/log
E:failed to mount cache (No such file or recovery)
E:Can't mount /cache/recovery/last_log
E:can't open /cache/recovery/last_log
E:failed to mount /cache (No such file or recovery)
E:can't mount /cache/recovery/last_install
E:Can't open /cache/recovery/last_install
E:failed to mount /cache (No such file or recovery)

I tried to wipe cache partition. It didn't help.

How could I backup data in this case? I just need to get back my photos.

How could I fix and restore my phone?

Please help. Thanks a lot.

  • Have you got a Windows powered computer, an USB to MicroUSB cable and a void warranty? – Death Mask Salesman Dec 3 '16 at 11:12
  • Something wrong with the eMMC chip, this may have happened while charging your phone with a wall charger(happened to my N8000 tablet months ago). You need to repair the bootloader (sboot). – esQmo_ Dec 3 '16 at 12:03
  • @esQmo Just a corrupted PIT or a whole fried chip, you say? – Death Mask Salesman Dec 3 '16 at 22:58
  • I won't say the whole since he can still boot in recovery, on mine i had only download mode. – esQmo_ Dec 4 '16 at 2:11
  • @DeathMaskSalesman Yes I have all of them. I don't mind if I void the warranty. It is expired anyway. I tried to connect it to the Windows computer. The device didn't show up at all. Windows recognized it with errors in Device Manager. – masterton Dec 4 '16 at 5:32
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Maybe you cant get your photo back. Try to flashing your phone with odin. Its work for me with samsung galaxy s4 later month ago.

There is file system that missing in your android rom, and you should flashing it.

  • That sucks. I hope there is still a way to get back the photos. I don't want to flash the ROM now. Is it possible to fix the firmware while keeping the photos intact? – masterton Dec 4 '16 at 5:34

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