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Can't flash any ROM via CWM (status 7 / efs not mounted)

I was on Darkys ROM for some months without any flashing problems. Now i wanted to change from Darkys ROM 10.1 (Gingerbread 2.3.4) to Galnet MIUI. I had to downgrade to Froyo and then install the CWM zip in CWM. This was NOT succesful. It always says "Installation aborted (Status 7)". Then i tried to install CyanogenMod 7.1. Upgraded to Gingerbread Stock with CWM 3 and when i first flashed it via ODIN the phone first booted in the standart Android CWM display (dont know the name sry). The phone automatically formated cache etc. but then it showed me 2 times "/efs is not mounted". I was able to boot and to open CWM but ALWAYS when i want to install ANY CWM ROM it shows me the message with Status 7 ...
EDIT: The message when i try to install a zip via CWM:
--INSTALLING: SDCARD: update-cm-7.1.0-GalaxyS-signed.zip
Finding update package
Opening update package
Installing update
Checking state of BML/MTD
assert failed: run_program("tmp/updater.sh) == 0
E:Error in /mnt/sdcard/update-cm-7.1.0-GalaxyS-signed.zip
(Status 7)
Installation aborted.
Click to expand...
Click to collapse
How can i mount /efs again and make CWM ROM Flashing able again?
Thank you.

I am not a dev, but I suggest you do a fresh ODIN flash to stock rom or this SIMPLY HONEY ( its got odin version & hence very easy to install ) rom.

I already flashed several (stock) roms... still not working

The first thing you every do before flashing a rom is a nandroid backup.... use this to recover...
I hope to hear oh thanks i didn't remember about that, lol. But i do not expect it...
Do you have any backups, of the /efs maybe? If you do then find out how to put that back on..
An option would be to use adb to try fix it, first try the obvious and try mount the ef, if that doesn't work then tell me what files you have in the efs... and we'll try help you from there.
If you don't know hoe to use adb there is a pinned thread in the general forum, and I have made a there is a basic tutorial in a number of places either search here or google

[Q] Downgrading 4.2.2 to 4.1.2

Hi guys,
I'm trying to downgrade my SGS from JB 4.2.2 to 4.1.2 but I can't succeed. While moving from CM 10.1M2 to CM10 stable (with all wipes done) I get an error:
symlink: some symlinks failed
E:Error in /sdcard/cm - 10.0.0-galaxysmtd.zip
(Status7)
Installation aborted.
Although it stops installing, recovery is downgraded and I am stuck in a bootloop. What am I doing wrong?

follow this GUIDE HERE

The names have already been entered there correctly
Edit: Turned out to somehow be a corrupt download.

I know, didn't it say that in that link ? nevermind
I know that there are two possibilities: 1. corrupt download
2. false info in that file
ok, glad you made it through

HELP!!!

Hi Guys,
Scene:
Last week I had a rooted phone that could install any custom ROM, Then all of a sudden I could no longer install a custom ROM, I would get a boot loop. So today I un- rooted my phone, then re-rootes however, o now get an status 7 error on any custom ROM. I can however backup my old rooted ROM.
Any idea what has gone wrong that I cannot install a custom ROM, or how I can install a custom ROM?
Any help would be greatly appreciated.

Here is the full error log when installing any ROM:
Finding update package
Opening update package
Installing package
Symlink: some symlinks failed
E:error in /external_sd/ (the ROM name)
(Status 7)
Installation aborted
????:crying:

Try this http://highonandroid.com/android-roms/how-to-fix-status-7-error-with-cwm-recovery-on-rooted-android/

totex71 said:
Try this http://highonandroid.com/android-roms/how-to-fix-status-7-error-with-cwm-recovery-on-rooted-android/
Click to expand...
Click to collapse
Thanks I have tried this but it doesnt work. I get a status 6 error.

OK so i have tried installing with TWRP which works however, I get a bootloop with any ROM I install. I guess its my phone. I will stick to the stock retail en GB rom

Error installing MIUI rom

hey all
Moderator>> sorry if I'm posting in the wrong place...
I've tried to install MIUI ROM on my LG-P990 6-8 times now and I can not get it to work ....
have used AIO tool v6.0 to install CWM with (Option 2)
inside the CWM I make a full wipe and install from SD
the installer starts but error (status 0)
HELP!!!!

just tried to install CyanogenMod 10.1 and it works perfectly

[Q] CWM Error Status code 7

Hi, I want to flash on my p990 KitKat ROM (ParanoidROM) and when i try to install zip from my sd card it says set_metadata_recursive: some changes failed (Status 7). I've searched that error and I found that it occures when flashing any KitKat ROM, can someone help, how to fix that? SlimKat ROM flashes without problem...