N900a Failed to Mount EFS - AT&T Galaxy Note 3 Q&A, Help & Troubleshooting

I woke up today and my Note 3 was dead. I assumed the battery died as that is in all likelihood what happened. I plugged my phone into the charger and attempted to turn it on. It stayed on the Samsung logo for several minutes. I then booted it into recovery mode, and noticed at the bottom, E: Failed to mount /efs (invalid argument). I attempted a cache wipe and at first it said failed to mount /cache, however another attempt and it completed without error. I then tried a reboot with the same problem. Next I tried a system/data wipe and got the same problem (failed to mount efs).
So, I used a 4 part Odin flash to 5.0 Lollipop OEM. This succeeded and upon reboot the phone got as far as the AT&T logo then hung again. Once in recovery I noticed the same E: Failed to mount /efs (invalid argument). I have searched on this and many other forums attempting to resolve this issue without success. I've been at this nonstop for 12 hours now. I know of a way to use adb to create a generic EFS folder, the problem is the phone is 100% stock, including no developer options(adb), custom recovery, etc. Not even busybox.
Anyone with any info on how I can unbrick this phone would greatly appreciated. Or even how I can use Odin to install safestrap w/ root thereby giving me the ability to mount the system with TWRP and send adb commands that way. To clarify, I have access to nothing but the stock recovery and download mode without ADB active on the phone. Thanks for your time.

Related

Help me troubleshoot my SDCard errors!

Hello,
Like many other users on this forum, I am having trouble with my i9000M sdcard after doing some ROM flashing.
Although there is some extensive threads collecting the different situations people are experiencing, I was hoping I could get some help for a specific circumstance relating to the sdcard issue.
I'll start by..
- Detailing the firmwares I have flashed, and what happened
- What is working / not working now, and how I got to get to the current situation
- And finally, I'll detail what I'm trying to do and where I'm getting stuck.
I would really appreciate some help with this, and thank anyone who takes the time to read it. I am trying to be very thorough to give you as much information as possible.
-----------------------------------------------------------------------------
1. Started with stock firmware. I am not sure what it was.. I believe the phone is equivalent to the Bell i9000M, but I am on the SaskTel carrier.
2. Flashed firmware I9000XXJP2: This worked, and I was using Froyo 2.2 fine.
3. Tried to root Froyo 2.2 firmware: This FAILED and the trouble began. I was using the update.zip method, and the source claimed it was compatible with 2.2. I had to hard reboot the phone, but it would stall on the white text intro screen (not the animated one).
4. Went into Download mode. Tried to flash firmware I9000UGJH2 (apparently the most current bell firmware), using Odin v1.1. This FAILED, and I had to hard reboot, which resulted in the PHONE - ! - PC error. I am aware the i9000M can still be recovered from this state.
NOTE: I could do nothing at this point: all firmware flashes failed, UNTIL I CHANGED TO ODIN V 1.3!
Using Odin v.1.3:
5. Flashed a series of firmwares.. (I9000UGJG8, I9000XXJM1, I9000XWJG5), ALL resulted in the phone either being in a shutdown-boot loop to the white Glaxaxy text screen, or the battery charging screen.
I could enter Download mode to reflash, but NOT recovery mode.
6. The ONLY semi working firmware is I9000XXJP2, Samsung Froyo 2.2. This is what the phone is now.
- I CAN enter Download mode, Recovery mode, and the phone stalls on the white Galaxy boot screen, but goes no further, and does not restart.
- I CAN run abd commands
Here is the output I get from each of the options in the Recovery mode:
Code:
I9000XXJP2
Odin 1.3
512.pit
Flashes fine
Goes into recovery mode
Displays error:
(No such file or directory)
E:copy_dbdata_media: Can't mount SDCARD
your storage not prepared yet. please use UI me nu for format and reboot actions.
copy default media content failed.
Try to format sdcard:
Formatting SDCARD:...
ensure_root_path_unmounted**
ensure_root_path_unmounted (/mnt/internal_sd)
ensure_root_path_unmounted ret 0
ensure_root_path_unmounted It's not mounted
update media, please wait
E:Can't mount /dev/block/mmcb1k0p1
(No such file or directory)
E:copy_dbdata_media: Can't mount SDCARD
your storage not prepared yet. please use UI me nu for format and reboot actions.
Try to wipe cache partition:
-- Wiping cache...
Formatting CACHE:...
ensure_root_path_unmounted**
ensure_root_path_unmounted (/cache)
ensure_root_path_unmounted ret 0
unmount (/cache) attempt 1 (Unknown error: 0)Cache wipe complete.
Try to apply sdcard:update.zip
Same errors as 1) can't mount sdcard therefor installation fails.
Reboot system:
- Will accept adb download reboot
note: I can reach download mode using the button combination
- recovery mode: can access with button combination or 'adb reboot recovery'
- power off: battery charging indicator shows
note: it does not loop the battery indicator
- power on: stalls at Galaxy S GT-19000 white lettering screen.
note: i recieve an indication on windows desktop that a device has been connected which is capable of USB high speed point
ADB COMMANDS WORKS: device is detected
Things I have tried:
I tried booting into a Ubuntu Live cd to see if I could format the sdcard, as suggested in this thread: (sorry, forum won't allow me to hyperlink, thread id=759910)
The disk utility picked up the Samsung drives (One was labeled something like Samsung_Galaxy, and the other Samsung_Galaxy sdcard, but I'm not 100%) but could not format them. There was also no info being listed about the size.
Things I would like to try / have hunches on:
Before all this happened, I made a Nandroid backup of the orriginal firmware, and copied it from the i9000's sdcard to my computer. I made the backup using Rom Manager's Clockworkmod.
Is there a way to use Odin to flash Clockworkmod, so I can restore this backup?
-everything out there says to use Rom Manager, which I can't access because the phone is pseudo dead.
Will the backup even still be on my sdcard?
Wait, my sdcard isn't mounted.. can we try mounting it with abd? (I tried, but am not sure of the command / path of how to do this..
Can abd be used to restore my backup stored on my computer? Is this dependent on the sdcard being mounted?
I fully appreaciate those you take the time to read through this as it is rather lengthy. I just want to ensure I have tried every means to revive the device, and hopefully some more skilled users can help with the mounting and adb syntax.
All comments and ideas are welcome and appreciated! Thank-you
Sorry to be the bearer of bad news. But time and time again this error has proven to be a hardware error. Mine did the same thing and samsung/bell had to replace the mainboard in my phone. Good luck, but unfortunately, anything you do further is a waste of time short of sending it back for repair.

[Q] Stuck on Samsung logo, recovery says can't mount /dev/block/mmcblk0p1

Hi.
I'm trying to fix my boss' tab, SPH-P100 (Sprint).
I have tried all kinds of things and nearly bricked it (got the phone ! computer symbol, but it still accepted uploads, so I was OK).
Here's the issues:
- Continuous loop of Samsung logo on boot
- From Recovery screen, I performed a factory reset, but it didn't help - same logo loop
- In the Recovery screen, I get errors similar to the ones quoted above:
E:Can't mount /dev/block/mmcblk0p1
(No such file or directory)
E:Can't mount CACHE:log/recovery.log
E:Can't open CACHE:log/recovery.log
E:Can't mount /dev/block/mmcblk0p1
(No such file or directory)
I read all kinds of posts about simply flashing the stock ROM, and I found the ROM that was mentioned multiple times in these forums to be the right one for this tab (it did change the first boot animation, though...). The ROM I used is tab_sprint_noModem_20101226.tar inside Tab_Stock_-_No_Modem.rar.
I tried:
-ODIN with the stock ROM posted in this thread. It works, but it doesn't fix anything. I tried with and without the PIT file (one thread specifically warned NOT to use the PIT file, but in the end I tried it anyway - I think I did NOT hit Repartition, so it probably didn't do anything...).
-Heimdall doesn't seem to work at all for me. I found version 1.3.1, and the instructions in post 21 of the thread linked above don't seem to apply to this version. I finally figured out that I need to be in the FLASH tab, but I can't add files without the PIT file, it won't let me add the zImage file for recovery (or at least complains that there's no .bin file ending), and when I checked "Repartition", I got the error:
ERROR: Partition corresponding to -21 argument could not be located
Ending session...
Yes, I installed the drivers that came with Heimdall.
-Following other posts with very similar errors, I formatted the SD card in Windows using FAT32 - no change.
-I looked into another thread talking about parted, but I don't have root on that device, and I'm not sure what my boss would think about me rooting his pad... I also don't know enough to figure out which rooted ROMs would go with it - I'm scared enough with the "official stock rom" I'm using
I'm fairly tech savvy, know a little about Linux and have used adb to root my own phone, but otherwise a lot of the things I read here only make enough sense to me to follow the instructions and not get lost.
Maybe there's a different version of Heimdall that I should be using, or maybe I did something else wrong, but I'm sure I followed the instructions here.
Any help would be greatly appreciated!
Thanks in advance!
(PS, I originally posted this at the end of the thread I mentioned here but did not get an answer - I'm sorry, I had not read the post about not asking questions in that forum, even if it was attached to another post where similar questions were asked and answered, so I'm moving this post here instead.)
Update:
Found a different Rom in this thread - same situation:
I can flash it, but nothing changes, and I still get the error message I showed. The main change is that this ROM is the first I have found that has the same Sprint boot animation that the tab originally had.
The new information is that once it resets after flashing, it briefly shows a few messages - one said that if failed to wipe the cache, and I think the others showed the same error about /dev/block/mmcblk0p1 but I can't be sure (tried to get video of it, but I was too slow, and it's blurred - I'll try again later to get the exact error messages).
Update 2:
Found yet another ROM in this thread and tried it, and this one doesn't seem to work at all with this tab (tried with and without pit/re-partitioning) - the boot fails and immediately boots into Recovery by itself and shows the following:
-- bootmode=7 from cmdline
E:failed to mount /cache (No such file or directory)
E:Can't mount /cache/recovery/command
-- Wiping data...
Formatting /data...
E:format_volume: rfs format failed on /dev/block/mmcblk0p2
Formatting /dbdata...
Formatting/cache...
E:format_volume: rfs format failed on /dev/block/mmcblk0p1
Data wipe failed.
E:failed to mount /cache (No such file or directory)
E:Can't mount /cache/recovery/recovery_kernel_log
E:copy_kernel_file :: Can't open /cache/recovery/recovery_kernel_log
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 directory)
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 directory)
Click to expand...
Click to collapse
Will try to flash the other ROM again to try and get a precise look at its error message...
UPDATE 3:
Flashed the first ROM again - no error message, just the same Samsung logo cycle that freezes briefly and then starts over.
Flashed the second ROM again (the one that has the correct Spring animation), and this time I got the error messages on video.
-- Wiping DATA:...
Formatting DATA:...
DATA: wipe failed.
-- Wiping CACHE:...
Formatting CACHE:...
CACHE: wipe failed.
--Wiping DBDATA:...
Formatting DBDATA:...
E:Can't mount /dev/block/mmcblk0p2
(No such file or directory)
E:Can't mount /dev/block/mmcblk0p1
(No such file or directory)
E:Can't mount CACHE:log/recovery.log
E:Can't open CACHE:log/recovery.log
E:Can't mount /dev/block/mmcblk0p1
(No such file or directory)
Rebooting...
Click to expand...
Click to collapse
Still hoping for ideas, but I think I'm at the end of what I can try...
Is it likely or possible that the internal memory got damaged?
I don't know exactly what my boss did to the tab, but he mentioned something about "the cold" meaning Minnesota winter cold - we had about 12 degrees last week, so maybe that's the cause...
Have you found and tried the EA24 stock flash tool?
Sent from my SPH-P100 using xda premium and ICS
Thanks for the reply!
If that's this file:
Sprint Galaxy Tab EA24 Flasher.zip
Then I have tried the ROM in it with Odin, but not the actual tool that came with it.
I'll see if I can get my boss to give me another shot with it (unless he's already returned it - I've had it for a few days already...).
Thanks!
has anyone found a solution to this? I am having the exact same issue...
Not sure why or how it happened everything was fine one day and next day wont go past logo and keeps rebooting.
Same problem here
My P100 started this problem last night, which was the first time it's been turned in in several days. It's fully stock, never had any rooting or flashing performed on it.
Booting into recovery mode shows failed mounts on everything it tries to do, and all the options for recovery also fail - except for "reboot system now", which does reboot it, but then it just sits on the pulsing Samsung logo endlessly. And I do mean endlessly, I let it go four hours last night, after which the battery ran out. Plugged it in after that, and it's right back to the same thing.
Every other thread I've found with this problem listed it as an after-effect of having attempted to flash a new ROM, but that is not the case with mine...
Hoping someone has the answer...
Thanks!
-mike
Same exact symptoms, and when I tried CM9 or other ICS ROMs this errors lead into the dreaded "Encryption Unsuccessful" bug.
At this point I'm just trying to get the device to boot consistently.
ChrisCTX said:
Same exact symptoms, and when I tried CM9 or other ICS ROMs this errors lead into the dreaded "Encryption Unsuccessful" bug.
At this point I'm just trying to get the device to boot consistently.
Click to expand...
Click to collapse
Did you try to do full restock (include bootloader and repartition)?
or you can try CM9 again with a fixed kernel by cdesai or jt. look at this conversation:
http://forum.xda-developers.com/showpost.php?p=28584567&postcount=2320
yappoe said:
Did you try to do full restock (include bootloader and repartition)?
or you can try CM9 again with a fixed kernel by cdesai or jt. look at this conversation:
http://forum.xda-developers.com/showpost.php?p=28584567&postcount=2320
Click to expand...
Click to collapse
I'm on it ASAP, thanks a ton for that
Edit: If possible mind giving a link to that specific kernel (or flashable .zip with it)?
Do you have this on your screen:
http://forum.xda-developers.com/attachment.php?attachmentid=1193979&d=1342124106
If so, we're in the same boat
Btw, I used a full repartition and boot following this thread:
http://forum.xda-developers.com/showpost.php?p=17817287&postcount=2
and same error occurs.
Bump in hopes of solving this issue.
My tab is basically bricked. I have this same issue after putting CM9 on it. Those errors consistently pop up. and thats it.
I guess its a paper weight now.
you may try flashing pit file and stock rom with micro SD inserted during flashing. that's what I did to my Samsung GT-I9003 when it failed to read the internal SD. At first, the camera may not work. Just root the device after flashing pit/ROM and do SD Swap Mod (external SD as internal SD).
Not sure if it's gonna work with Galaxy Tab. Give it a try. Hope this helps.
Hey guys, it appears JimRich is working on a solution for the CDMA (verizon and sprint) versions of thsi device, keep checking and be sure to let him know there are other people with this problem. http://forum.xda-developers.com/showthread.php?t=1789728

[Q] Q: Stuck, Unlocked, Cannot mount E:\, In TWRP, 22hrs In

Long story short,
Purchased a Tmobile HTC One, Planned on taking it over to Straight Talk.
I have not asked any questions because I can usually figure this out.
Facts:
Unlocked using All In One
TWRP recovery
Issue:
Keep rebooting once it gets to the HTC One screen with Beats Audio
I am about 22 hours into this and very frustrated, it seems as though I do not have an O.S.
Cannot mount E:
rafalk86 said:
Long story short,
Purchased a Tmobile HTC One, Planned on taking it over to Straight Talk.
I have not asked any questions because I can usually figure this out.
Facts:
Unlocked using All In One
TWRP recovery
Issue:
Keep rebooting once it gets to the HTC One screen with Beats Audio
I am about 22 hours into this and very frustrated, it seems as though I do not have an O.S.
Cannot mount E:
Click to expand...
Click to collapse
Use the ADB Sideload option(follow the directions carefully) in the All-in-One Toolkit to load a ROM.
unremarked said:
Use the ADB Sideload option(follow the directions carefully) in the All-in-One Toolkit to load a ROM.
Click to expand...
Click to collapse
I have tried a couple of times (following directions closely - have done this before on a inspire) and keep getting
"E:unable to mount '/data'" on the phone side & "error: closed"
rafalk86 said:
I have tried a couple of times (following directions closely - have done this before on a inspire) and keep getting
"E:unable to mount '/data'" on the phone side & "error: closed"
Click to expand...
Click to collapse
Hmm. Have you attempted to format data while in TWRP recovery? Also a few more details please--once you had unlocked the bootloader and installed TWRP, did you attempt to install a ROM from that point or boot into stock? If it's the latter, have you attempted to fastboot flash a boot.img from a stock ROM/NAND backup?
rafalk86 said:
I have tried a couple of times (following directions closely - have done this before on a inspire) and keep getting
"E:unable to mount '/data'" on the phone side & "error: closed"
Click to expand...
Click to collapse
I have always had better luck with CWM clockworkmod recovery than TWRP for these kind of situations. So you might want to use the all in one and put Clockwork on. Also when sideloading a rom make sure to rename the rom something nice and short like rom.zip no spaces no numbers just simple and short or it will fail.
unremarked said:
Hmm. Have you attempted to format data while in TWRP recovery? Also a few more details please--once you had unlocked the bootloader and installed TWRP, did you attempt to install a ROM from that point or boot into stock? If it's the latter, have you attempted to fastboot flash a boot.img from a stock ROM/NAND backup?
Click to expand...
Click to collapse
1. Have NOT tried to format data
2. Originally tried to install cm touch, which at that time seemed like it didnt work (could not boot into rom) so I tried to install TWRP for some reason
3. I have attempted to boot stock rom, but always gets hung up on "beats audio" audio screen
unremarked said:
Hmm. Have you attempted to format data while in TWRP recovery? Also a few more details please--once you had unlocked the bootloader and installed TWRP, did you attempt to install a ROM from that point or boot into stock? If it's the latter, have you attempted to fastboot flash a boot.img from a stock ROM/NAND backup?
Click to expand...
Click to collapse
Wow, saved my ass. I formatted /data and now I can finally boot into CM after a fresh ROM install.
Thanks
nullkill said:
I have always had better luck with CWM clockworkmod recovery than TWRP for these kind of situations. So you might want to use the all in one and put Clockwork on. Also when sideloading a rom make sure to rename the rom something nice and short like rom.zip no spaces no numbers just simple and short or it will fail.
Click to expand...
Click to collapse
1. Loaded ClockworkMod Recovery v6.0.3.1
2. Rebooted to recovery
Result:
Loaded CM Recovery and at the bottom it says:
"E: Cant mount /cache/recovery/command
E: Cant mount /cache/recovery/log
E: Cant open/cache/recovery/log
E: Cant mount /cache/recovery/last_log
E: Cant open/cache/recovery/last_log"
Q: Should I try formatting the drive
nullkill said:
I have always had better luck with CWM clockworkmod recovery than TWRP for these kind of situations. So you might want to use the all in one and put Clockwork on. Also when sideloading a rom make sure to rename the rom something nice and short like rom.zip no spaces no numbers just simple and short or it will fail.
Click to expand...
Click to collapse
Side loaded the rom through cwm recovery.
"sideload started...
failed to open driver control: No such file or directory
Restarting adbd...
failed to open driver control: No such file or directory
E: Can't mount /cache/recovery/last_install
E: failed to open last_install: Invalid argument
Finding update package...
Opening update package...
Installing update...
E: Cant mount /cache/recovery/log
E: Cant open/cache/recovery/log
E: Cant mount /cache/recovery/last_log
E: Cant open/cache/recovery/last_log"
UPDATE: After I rebooted it just cycles for the CyanogenMod boot then restarts etc etc...
rafalk86 said:
Side loaded the rom through cwm recovery.
"sideload started...
failed to open driver control: No such file or directory
Restarting adbd...
failed to open driver control: No such file or directory
E: Can't mount /cache/recovery/last_install
E: failed to open last_install: Invalid argument
Finding update package...
Opening update package...
Installing update...
E: Cant mount /cache/recovery/log
E: Cant open/cache/recovery/log
E: Cant mount /cache/recovery/last_log
E: Cant open/cache/recovery/last_log"
UPDATE: After I rebooted it just cycles for the CyanogenMod boot then restarts etc etc...
Click to expand...
Click to collapse
Two things here:
1) Clearing Cache fixes the cache issue you see...
2) To fix the boot loop, you need to `Format /data and /data/media` under `Mounts and Storage`.
That should fix you up.... side loading wont fix a bad /data partition.
kenyu73 said:
Two things here:
1) Clearing Cache fixes the cache issue you see...
2) To fix the boot loop, you need to `Format /data and /data/media` under `Mounts and Storage`.
That should fix you up.... side loading wont fix a bad /data partition.
Click to expand...
Click to collapse
1. Cleared cache - fixed
2. Both datas formatted
Q: Its been a long 24hrs, now I load rom, correct?
rafalk86 said:
1. Cleared cache - fixed
2. Both datas formated
Q: Its been a long 24hrs, now I load rom, correct?
Click to expand...
Click to collapse
It sounds like you have a ROM loaded if its cycling at the BeatsAudio screen. Yes, you can do the ROM now. Make sure you do a factory reset before installing the ROM (or after I suppose)
rafalk86 said:
Long story short,
Purchased a Tmobile HTC One, Planned on taking it over to Straight Talk.
I have not asked any questions because I can usually figure this out.
Facts:
Unlocked using All In One
TWRP recovery
Issue:
Keep rebooting once it gets to the HTC One screen with Beats Audio
I am about 22 hours into this and very frustrated, it seems as though I do not have an O.S.
Cannot mount E:
Click to expand...
Click to collapse
Are you using Mac OSX? What is the format of the external_sd card? Is it formatted FAT, FAT32, or EX_FAT?
Clockworkmod does not support EX_FAT, so you must format it to FAT in order for it to mount. OSX can't format FAT32, so you must format FAT.

[Q] Boot Loop/Failed Mounts in TWRP. Please Help.

Hey Guys,
Recently I had just done a nandroid backup as well as following it up with a Titanium Backup. After the Titanium Backup was finished, I had been getting a core.gapps failure or something of the like so I decided to restart. After restarting, it was just stuck in a continuous bootloop.
I can still get into TWRP. First things that pop up when it starts up is:
Code:
E: Could not mount /data and unable to find crypto footer.
Unable to mount /system, /data, /cache, /firmware, storage
Unable to mount /data/media during GUI startup.
And it just repeats that. I tried to sideload, but it just throws up the same errors as it tries to mount and unmount those partitions.
I tried to reflash the boot.img in fastboot, but no matter what I try to do in fastboot, it always end in failure saying:
FAILED (remote failure)
Fastboot methods were the only fixes I could find for my problem, but it seems like I need to fix something else before I can even do that. Please help.
Sounds to me like something is messed up with encryption. Did you decrypt?
I know you will lose your data but typically pushing the fastboot files (all of them) fixes things like this
Sent from my iPad using Tapatalk
altimax98 said:
Sounds to me like something is messed up with encryption. Did you decrypt?
I know you will lose your data but typically pushing the fastboot files (all of them) fixes things like this
Sent from my iPad using Tapatalk
Click to expand...
Click to collapse
It was already decrpyted. I tried to fastboot oem unlock again in case, but it just threw out an error saying that the device was already unencrypted. I tried flashing both encrypted and unencrypted boot.img, but they all gave the FAILED (remote failure).

[Q] E: Failed to mount / efs(invalid argument)

Hello All,
I have a Samsung Galaxy I9070.
I have rooted the device from http://forum.xda-developers.com/showthread.php?t=2087424 and it worked fine.
After that i tried to Flash a CWM 5 XX version,
1. I wiped all the data/reset
2. While flashing it from "Apply update from external storage" the device got powered off.
3, I did a hard restart to enter recovery mode and then CWM showed up and stared to blink.
4. Now i got a error as E: Failed to mount / efs(invalid argument).
5. i have restarted the device.
6. i am getting a error as Unfortunately,the processcom.google.process.gapps has stopped.
Now i thought to flash a new rom from SD card and then it may work.
1. i flashed cynogen Mod 11.0
2. after that it is just stuck at the starting screen of Cynogen Mod logo.
Now i have restored the Jellybean from Odin and still i get the same error as Unfortunately,the processcom.google.process.gapps has stopped.
and also in the recovery mode E: Failed to mount / efs(invalid argument). this error stayed.
Please help me to get the device back to working.
Just an update-
1. i have used ODIN and installed Ginger bread on it.
2. The phone got turned on and working.
3. I am not able to connect to Wifi.
4. But when i go to recovery mode, it still shows that error as E: Failed to mount / efs(invalid argument).
5. I think this this EFS file is corrupted and so Mac address of the device is corrupted.
How do i fix this error. Please help. i have not taken a backup of this efs.
Thanks All.
rohanpakala said:
Hello All,
I have a Samsung Galaxy I9070.
I have rooted the device from http://forum.xda-developers.com/showthread.php?t=2087424 and it worked fine.
After that i tried to Flash a CWM 5 XX version,
1. I wiped all the data/reset
2. While flashing it from "Apply update from external storage" the device got powered off.
3, I did a hard restart to enter recovery mode and then CWM showed up and stared to blink.
4. Now i got a error as E: Failed to mount / efs(invalid argument).
5. i have restarted the device.
6. i am getting a error as Unfortunately,the processcom.google.process.gapps has stopped.
Now i thought to flash a new rom from SD card and then it may work.
1. i flashed cynogen Mod 11.0
2. after that it is just stuck at the starting screen of Cynogen Mod logo.
Now i have restored the Jellybean from Odin and still i get the same error as Unfortunately,the processcom.google.process.gapps has stopped.
and also in the recovery mode E: Failed to mount / efs(invalid argument). this error stayed.
Please help me to get the device back to working.
Just an update-
1. i have used ODIN and installed Ginger bread on it.
2. The phone got turned on and working.
3. I am not able to connect to Wifi.
4. But when i go to recovery mode, it still shows that error as E: Failed to mount / efs(invalid argument).
5. I think this this EFS file is corrupted and so Mac address of the device is corrupted.
How do i fix this error. Please help. i have not taken a backup of this efs.
Thanks All.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2677807
Try this maybe.
I have the same problem.
I wanted to flash a new rom and and deleted some unnecessary folders and I deleted some hidden folders.
I can enter on recovery/downloading but I can't flash any rom.
I've flashed a stock rom (JB) via Odin and it restart the device on setup screen but it gives 2 errors (I'll post the images).
I've flashed another stock rom (GB) via Odin and it restart the device on the home screen but whenever I go to recovery it shows me the the message E: Failed to mount / efs (Invalid argument)
I've tried some methods I've found on the forum but they didn't work.
The link posted don't work for me.
My phone connect to 3G and don't shows the error "Baseband and IMEI unknown / Baseband unchangeable".
I didn't find any thread on the forum with the answer for my problem.

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