Samsung Galaxy note 2 gt-n7100 " e: failed to mount / efs - Galaxy Note II Q&A, Help & Troubleshooting

I got this phone from a friend and it's stuck in bootloop. When ever I go to recovery keep getting this error " e: failed to Mount /cache ( no such file)

Odij
Failed

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[Q] My Note II is dying,.. failed to mount /cache (Invalid argument )

My Note II N7100 Stuck at the boot Screen
I tried to flash philz_touch and CWM by Odin3.09 but it didnt work
every time I try to get to recovery mode
I get this message
E:failed to mount /cache (Invalid argument ) can't mount '/cache' (Invalid argument )
E:failed to mount /system (Invalid argument ) can't mount '/system' (Invalid argument )
a pic of the message is attached
I dont know what to do
I almost tried every thing I know
Please help
There has to be something sinister with all Note 2 dying around the same time, I have run into same trouble, and only hope is a costly motherboard replacement, I see several others reporting the same
Sent from my A0001 using Tapatalk
M.yaseen said:
My Note II N7100 Stuck at the boot Screen
I tried to flash philz_touch and CWM by Odin3.09 but it didnt work
every time I try to get to recovery mode
I get this message
E:failed to mount /cache (Invalid argument ) can't mount '/cache' (Invalid argument )
E:failed to mount /system (Invalid argument ) can't mount '/system' (Invalid argument )
a pic of the message is attached
I dont know what to do
I almost tried every thing I know
Please help
Click to expand...
Click to collapse
Do these at your own risk.
search for PIT file made by dr ketan and flash it together with the stock n7100 firmware in odin. that will solve tour problem.
somebody posted pit file here.. be sure that your n7100 is 16gb
http://forum.xda-developers.com/showthread.php?t=1927983
extract it and use that together with the stock firmware in odin. select pit for pit files and pda for stock firmware
after finish flashing it will be stuck again in samsung logo. boot again to recovery mode and wipe data/reset to factory mode and then reboot

Factory/Data reset gone wrong

A Friend gave me his galaxy s3 since he recently upgraded to a note 4, so naturally i wanted to wipe everything on it and i figured the fastest way would be me doing a factory rest. . so the phone does its thing then reboots into recovery with the image of the android guy on his back with a red cation thingy above him.
i get the following messages below the blue option menu thing that you scroll with using the volume rocker. :
E: failed to mount /data (invalid argument)
cant mount '/data' (invalid argument)
E: failed to mount /data (invalid argument)
and others like it all saying it cannot mount /data
i tired using kies to have an emergency firmware update but ask me for a code.
would be installing a custom recovery and downloading a custom rom fix this or not ?
please help

[Q] Stuck on CWM recovery, can't install zip or flash with ODIN

Long history: I was using Ivan_Meler CM 13.1 ROM for ~ 3 months, which was very stable. Last week I downgraded from build 10 to build 9 with only dirty flash and everything was working fine, just some occasionally FC. Then one night I left my phone ran on very low battery and when I woke up I found my GT-N7100 stuck on Samsung boot logo.
I'm still able to access ODIN download mode. When I get into recovery mode (CWM Philz Touch v6.26.6), I immediately get this messages:
E: could not mount /data to setup /data/media path!
E: Can't mount /cache/recovery/command
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
E: can't mount /cache/recovery/last_install
E: can't open /cache/recovery/last_install
What I've tried so far:
1. Restore Nandroid backup (KOT49H.N7100UBUFNK1) using CWM
->>>>> got E: format_volume: make_ext4fs failed on /dev/block/mmcblk0p13
2. Flash, using both adb sideload and ODIN:
Stock ROM 4.3 (N7100UBUEMK4_N7100ZTOEMK3_ZTO) and 4.4 (N7100UBUFNK1_N7100ZTOFNK1_ZTO), downloaded from Sammobile
->>>> got "NAND write fail" on ODIN and
->>>> on adb sideload the file loads 100% but I got "error:closed" and after "failed to write data 'protocol fault (no status)' "
3. Flash only the hidden.img of the stock ROM's mentioned above, I got "PASS" on ODIN but after phone gets stuck on boot Samsung logo
Tried this guide, using stock 4.1.2 (N7100XXDLJ2_OXA_FACTORY) with and without re-partition
->>>> got "NAND write fail" as well.
So I have ran out of options can anybody please help :crying::crying::crying: I really like my Note 2 and I don't have money to buy a new phone right now.
SDS for 99%
Try flashing the latest stock rom using a different USB cables, different versions of Windows, and different USB ports. If none of these work, the memory chip may be damaged.

Error: E: failed to mount / system (Invalid argument)

Hello
I have a mini s4 gt-I9192 with error: E: failed to mount / system (Invalid argument)
is there a way to restore but can not access the custom recovery mode after having successfully rooted and installed the custom recovery
Only starts in donwloading mode or logo.
I need to know if anyone has had this error and if no way to fix it or enter custom recovery
Thanks

asus z00ud bootloop (unable to mount /asdf)

after a normal restart my phone get stuck in a bootloop.
i've restarted in rescue mode to wipe data/factory reset but when i've tried i receive this error message:
formatting /data
formatting /cache
E: failed to mount /asdf (invalid argument)
E: can't mount /asdf/recovery/last_log
E: can't open /asdf/recovery/last_log
data wipe complete
E: failed to mount /asdf (invalid argument)
E: can't mount /asdf/recovery/last_log
E: can't open /asdf/recovery/last_log
i've download the stock firmware WW_21.40.0.1999 and with fastboot i've flash recovery, boot and system but i've get the same error. i've also tried to apply the firmware via sd card and adb but i get the same error
i've boot lock and usb debug not active.
some ideas?
tnx in advance and forgive my bad english
Same problem
I have this problem too. How to fix thjs?!

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