HELP! failed to mount EFS stuck in bootloop :'( - Galaxy S III Q&A, Help & Troubleshooting

So i did a really stupid thing and flashed a corrupt EFS yesterday.. and the phone is stuck in a bootloop ever since. Tried flashing multiple firmwares via odin/ roms/ rooting it/ mega wipe/ NOTHING WORKS and now odin is giving me a cant open the serial (com) mount error Is there ANYTHING i can do or do i need to get a new phone.. Please anyone with a wif of info please help me
Edit: fixed odin not working problem, was kies
Edit 2: managed to boot up using
THIS put this in odin, bootloader and flash onto the phone guide here now to revcover my imei..

You will most likely find the answer to your problem here.
[REF] IMEI / EFS - Know this stuff (i9300) - including "no network"
And if you still have questions please ask them in that thread. :good:
Thread Closed

Related

[Q] phone stay stuck in boot screen after installing RazoDroiD 2.5

I had a serious problem with arabic language I tried to instal many apps just solve it but I found in your forum a (rom & kernel) named RazoDroiD in this link http://forum.xda-developers.com/showthread.php?t=1816611 taht support arabic language and has many other stuff so I decide to install it I followed the tutorial to do it first I backuped my data using ClockWork then I began to install the RazoDroiD, instalaltion went fine but when I rebooted my phone it stucked on the boot screen which is writen Galxy ace ...I can"t even go to Recovery Mode when I press HOME+POWER+VOLUME UP it just reboot and keep showing the boot screen
I just want to go to Recovery Mode to restore the previous data
please help...
I have samsung galaxy ace S5839i
ssamurai said:
I had a serious problem with arabic language I tried to instal many apps just solve it but I found in your forum a (rom & kernel) named RazoDroiD in this link http://forum.xda-developers.com/showthread.php?t=1816611 taht support arabic language and has many other stuff so I decide to install it I followed the tutorial to do it first I backuped my data using ClockWork then I began to install the RazoDroiD, instalaltion went fine but when I rebooted my phone it stucked on the boot screen which is writen Galxy ace ...I can"t even go to Recovery Mode when I press HOME+POWER+VOLUME UP it just reboot and keep showing the boot screen
I just want to go to Recovery Mode to restore the previous data
please help...
I have samsung galaxy ace S5839i
Click to expand...
Click to collapse
I think you have Softbricked your phone. Don't worry! We will help you.
Back to Stock ROM using this Odin Method try this,
http://forum.xda-developers.com/showthread.php?t=2054182
brijeshep said:
I think you have Softbricked your phone. Don't worry! We will help you.
Back to Stock ROM using this Odin Method try this,
http://forum.xda-developers.com/showthread.php?t=2054182
Click to expand...
Click to collapse
thankx a lot brijeshep it seems helpful but there's a litle trouble is no-one of those link s working I keep getting a mesage saying:
Error (509) This account's public links are generating too much traffic and have been temporarily disabled! :/
even the mirror link doesn't work...
have you another links please...
is there any possibility to go back to recovery mode...
ssamurai said:
thankx a lot brijeshep it seems helpful but there's a litle trouble is no-one of those link s working I keep getting a mesage saying:
Error (509) This account's public links are generating too much traffic and have been temporarily disabled! :/
even the mirror link doesn't work...
have you another links please...
is there any possibility to go back to recovery mode...
Click to expand...
Click to collapse
hello everyone..i have some questions here..i also installing this rom few hours ago...this is my situation..
1) i have follow all the instructions given..
2) after finish installing the rom,i reboot my GTS5830..
3) suddenly it wont boot..no samsung images,recovery mode,boot loop..nothing!
4) already had kies n odin installed in my laptop (ready if soft bricked happen during this upgrade)..
5) trying to boot into recovery mode..failed..
6) trying to boot into download mode to recover stock firmwares from odin..also failed...
7) odin can detect my phone,the box turns yellow but stuck at setup connection..(based on what i understand..even if odin detected my phone it cant do nothing because i didnt get into download mode..am i right?)
8) my phone can be detected by pc and odin but kies can't..
now my phone cant boot..somebody please help me..sry for my bad english..
This is for SAMSUNG GALAXY GTS5830I only not without the I...
You've definitely bricked ur phone
The usual "Xx James xX" only on mobile... (Sent Via Xda Developers App)

what a stupid mistake i9300 efs vs i9305 efs

i wanted to unlock my new i9305 , i used polarbox thinking t wuld have unlock solution by now. I selected i9300 realised theres was no unlock for i9305, thought whilst im here ill back up efs , efs backed up successfully.
loaded z3x couldnt get z3x to recognise phone to start with , clicked unlock on the off chance and low and behold it unlocked it .
rebooted stuck at samsung logo ?
ive reinstalled latest stock , same prob , rooted using odin , rooted using recovery but still stuck at samsung logo .
i cant rewrite efs file in polar as i need to enable usb debugging , unless there is a way to do this .
I have read that i can remake the efs folder with imei folder etc but polarbox makes .efs file and i dont know how to extract.
Any help or guidance really appreciated
Post in the I9305 section .
jje

[Q] Samsung S2 Stuck in Boot loop recovery says Cant mount Efs

Hi All,
Sorry if i am posting in wrong section .
My Galaxy S2 Gt-I9100 stuck in Boot loop , its happening all the time with out power on button pressed
I am able to go Recovery and download mode . Recovery mode Error Msg - Failure cant mount E:Efs
I have nandroid full back up restoring also not solving problem
I did Stock ROM flashing still issue there .
I visited Samsung store they said Mother board is gone . i am not sure they are telling truth .
Please help me what i have to do to make my S2 work again .
Thanks
Braj
erbraj said:
Hi All,
Sorry if i am posting in wrong section .
My Galaxy S2 Gt-I9100 stuck in Boot loop , its happening all the time with out power on button pressed
I am able to go Recovery and download mode . Recovery mode Error Msg - Failure cant mount E:Efs
I have nandroid full back up restoring also not solving problem
I did Stock ROM flashing still issue there .
I visited Samsung store they said Mother board is gone . i am not sure they are telling truth .
Please help me what i have to do to make my S2 work again .
Thanks
Braj
Click to expand...
Click to collapse
if have you cleared the root counter using triangle away and phone is in warranty giv to the service centre else try flashing the pit file change kernel and try restoring
erbraj said:
Hi All,
Sorry if i am posting in wrong section .
My Galaxy S2 Gt-I9100 stuck in Boot loop , its happening all the time with out power on button pressed
I am able to go Recovery and download mode . Recovery mode Error Msg - Failure cant mount E:Efs
I have nandroid full back up restoring also not solving problem
I did Stock ROM flashing still issue there .
I visited Samsung store they said Mother board is gone . i am not sure they are telling truth .
Please help me what i have to do to make my S2 work again .
Thanks
Braj
Click to expand...
Click to collapse
Sorry for quoting the op
Flash stock rom
Then go to stock recovery
Wipe data
Reboot..
Let me know if this works
Solved now
Hi all
thanks for all,
I got the solution , i Flash bootloader with odin.
Now my phone is stared but not getting able to register in Mobile network , seems my IMIE number is lost ,
I have old nandroid backup i am going to restore to store my IMIE
Thanks All for your help
Hate to break it to you, but restoring a nandroid isn't that likely to bring your IMEI back. If you're very lucky, flashing a stock rom for your country/carrier (if you're already running one, flash others) might bring it back if it's a case of temporary IMEI loss. If not, many mobile repair shops (not Samsung service centres) should be able to write the IMEI back to the device relatively cheaply. And if not, a Samsung authorised repairer can do it (or they may replace the motherboard which has already been suggested to you), but that can obviously be somewhat expensive.
Or if lucky op might find a efs backup somewhere in internal memory

Guys i really need some help asap

Basically I bought a uk vodaphone Samsung gt 19300 galaxy s3 was told it was all working but it has all this debugging writing on it yellow letters no signal and doesn't recognise a sim card, it had obviously been flashed before I I am pretty sure its in factory mode have tried loads to get it out but no luck I have also tried the ariza patch but when it tries downloading just don't download at all just says please wait I have flashed it back to stock used triangle away etc done every guide I possibly can rooted it unrooted it etc etc just cant get this factory mode to disapper , when I go to phone status it says baseband version unkown same as the imei I really have spent hours looking for solutions trying everything is it to do with the modem etc I really need some help here guys I believe I have the knowledge of how to do this if someone could just give me a helping hand it just wont find signal or recongise a sim card at all any help would be apprcaited can add pics if needed thanks in advance guys
Go read the efs sticky thread in general forum.
Sent from my GT-I9300 using Tapatalk
I have now got it out of factory mode but still no imei or baseband any ides
creedy2483 said:
I have now got it out of factory mode but still no imei or baseband any ides
Click to expand...
Click to collapse
Please read the post above yours.

soft brick S||| GT900 i Please help me I need my data??!

Hello,
I have been for 2 weeks searching for a solutions to fix my device or at less saving my data but no hope,
Samsung device is s3 9300I unrooted with stock rom,
My main problem : I'm stuck on the Samsung start up boot logo I only can access to recovery and download mode,I tried to flash recovery file via odain but it keeps failed and I tired to flash TWRP the same faild to complete flashing
I need any solution to backup my data before I try factory rest and wiping all my data, please guys help me my last hope!!
Thanks
???

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