Hi all
I still have IMEI, I'm able to make phone calls and everything else. But my phone is in this Factory Mode and my EFS folder can not be mounted and it empty.
I have EFS back up.
when i flash somthing i see 'E: unable to mount /efs' error'
I have tried to search for sulotion without succes and i tried to flash stock rom and other roms and still same problem.
what sould i do?
up
eden66 said:
Hi all
I still have IMEI, I'm able to make phone calls and everything else. But my phone is in this Factory Mode and my EFS folder can not be mounted and it empty.
I have EFS back up.
when i flash somthing i see 'E: unable to mount /efs' error'
I have tried to search for sulotion without succes and i tried to flash stock rom and other roms and still same problem.
what sould i do?
Click to expand...
Click to collapse
That's a weird problem.
It sounds like the EFS is working properly but the phone can't mount the partition properly. (Which is weird by itself)
You might try using Odin to flash back to bone stock to see if that repairs the partition. But that might be risky if the EFS is damaged because any further damage might totally kill the EFS.
When you say you have the IMEI do you know that because you can make calls? Or do you know that because you have looked in settings and it tells you what your IMEI is?
Skipjacks said:
That's a weird problem.
It sounds like the EFS is working properly but the phone can't mount the partition properly. (Which is weird by itself)
You might try using Odin to flash back to bone stock to see if that repairs the partition. But that might be risky if the EFS is damaged because any further damage might totally kill the EFS.
When you say you have the IMEI do you know that because you can make calls? Or do you know that because you have looked in settings and it tells you what your IMEI is?
Click to expand...
Click to collapse
I tired back to stock but same probelm.
And i see the IMEI in the settings and when I dail *#06#. The IMEI is ok like it As appears behind the battery.
its very wierd
eden66 said:
Hi all
I still have IMEI, I'm able to make phone calls and everything else. But my phone is in this Factory Mode and my EFS folder can not be mounted and it empty.
I have EFS back up.
when i flash somthing i see 'E: unable to mount /efs' error'
I have tried to search for sulotion without succes and i tried to flash stock rom and other roms and still same problem.
what sould i do?
Click to expand...
Click to collapse
Hi mate ,
try this maybe folder are not mounted correctly
1- Install / use Terminal Emulator
2- mount -r -w -o remount,rw -t ext4 /dev/block/mmcblk0p10
3- mke2fs /dev/block/mmcblk0p10
4- mount -r -w -o remount,rw -t ext4 /dev/block/mmcblk0p10 /efs
5- Reboot
Anyhow check this thread also
http://forum.xda-developers.com/showthread.php?t=2392632
Hello
I have a Galaxy S4 i337m canadian model (firmware i337MVLUFNC1) that has unknown baseband and null imei.
WIfi and blutooth work. it does not recognize sim card.
I have been reading for two weeks about this problem and tried all the methods that i found on google.
I dont have efs backup.
I don't see the nv_data files in efs folder ( file manager =show hidden files enabled)
Any chance I can fix this phone without the original efs folder backup?
Thanks.
Twisteddd said:
Hello
I have a Galaxy S4 i337m canadian model (firmware i337MVLUFNC1) that has unknown baseband and null imei.
WIfi and blutooth work. it does not recognize sim card.
I have been reading for two weeks about this problem and tried all the methods that i found on google.
I dont have efs backup.
I don't see the nv_data files in efs folder ( file manager =show hidden files enabled)
Any chance I can fix this phone without the original efs folder backup?
Thanks.
Click to expand...
Click to collapse
Haven't done it on the gs4 but you'd have to be able to connect it to qpst
I've actually been looking around at this but haven't been able to find much most information is under backup gs3 imei.
Asadullah said:
Haven't done it on the gs4 but you'd have to be able to connect it to qpst
I've actually been looking around at this but haven't been able to find much most information is under backup gs3 imei.
Click to expand...
Click to collapse
Thanks for replay
But that is a way to explore the phone files?
I did a lot of research to find out if the efs file on this model s4 actually contains the .nv_data.bin at all? or it is somewhere else?
Do you know if these files are actually missing from efs folder on i337m? or they are stored somewhere else?
Thanks.
Tried the following method with no luck
http://forum.xda-developers.com/showthread.php?t=1852255
Twisteddd said:
Tried the following method with no luck
http://forum.xda-developers.com/showthread.php?t=1852255
Click to expand...
Click to collapse
Taking the device back to your carrier and letting them factory restore it your best option other then that you are limited without a backup.
You can try this method... if your rooted but there are no guarantees.
Do these commands from ADB from your PC.
adb shell
su
mke2fs -t ext4 /dev/block/mmcblk0p10
mount -w -t ext4 /dev/block/mmcblk0p10
reboot
On your S4, download the Android Terminal Emulator from the Play Store and enter the following commands.
su
echo -n ON > /efs/FactoryApp/factorymode
sync
exit
exit
Reboot into Recovery, and preform a Factory Reset.
NighthawkXL said:
Taking the device back to your carrier and letting them factory restore it your best option other then that you are limited without a backup.
You can try this method... if your rooted but there are no guarantees.
Do these commands from ADB from your PC.
adb shell
su
mke2fs -t ext4 /dev/block/mmcblk0p10
mount -w -t ext4 /dev/block/mmcblk0p10
reboot
On your S4, download the Android Terminal Emulator from the Play Store and enter the following commands.
su
echo -n ON > /efs/FactoryApp/factorymode
sync
exit
exit
Reboot into Recovery, and preform a Factory Reset.
Click to expand...
Click to collapse
Tried and gave me the following error in shell
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>adb shell
[email protected]:/ $ su
su
root[email protected]:/ # mke2fs -t ext4 /dev/block/mmcblk0p10
mke2fs -t ext4 /dev/block/mmcblk0p10
mke2fs: invalid option -- t
BusyBox v1.22.1-Stericson (2014-01-25 17:27:18 CET) multi-call binary.
Usage: mke2fs [-Fn] [-b BLK_SIZE] [-i INODE_RATIO] [-I INODE_SIZE] [-m RESERVED_
PERCENT] [-L LABEL] BLOCKDEV [KBYTES]
-b BLK_SIZE Block size, bytes
-F Force
-i RATIO Max number of files is filesystem_size / RATIO
-I BYTES Inode size (min 128)
-L LBL Volume label
-m PERCENT Percent of blocks to reserve for admin
-n Dry run
1|[email protected]:/ #
Twisteddd said:
Thanks for replay
But that is a way to explore the phone files?
Thanks.
Click to expand...
Click to collapse
Thats how people were re-writing / repairing their meids
Asadullah said:
Thats how people were re-writing / repairing their meids
Click to expand...
Click to collapse
I cant find anything for i337m
I don't have service menu either. it says service mode on top of the phone and nothing on the screen.
This phone has to be completely reformated even the system partition. There must be a way of rebuilding the whole phone software.
Twisteddd said:
I cant find anything for i337m
I don't have service menu either. it says service mode on top of the phone and nothing on the screen.
This phone has to be completely reformated even the system partition. There must be a way of rebuilding the whole phone software.
Click to expand...
Click to collapse
Yeah its a rough road ahead of you. I know it can be done because people advertise it on craigslist. But I don't know exactly how.
get on stock nb1 and dial *#0808# change usb settings to dm+modem+adb might get you on the right road.
Looks like they use service box like z3x
I am trying to find alternative ways to do this because where I live, nobody offers this sort of services
Twisteddd said:
Looks like they use service box like z3x
I am trying to find alternative ways to do this because where I live, nobody offers this sort of services
Click to expand...
Click to collapse
There's definitely a different way z3x is such a rip off. I don't know it but as I get time I'm looking around. I'm wondering if you can locate all of the spots that carry the imei if you can change them to something else.
Can some one tell me if the following z3x box sold on ebay enough for repairing baseband on my phone i337m? Or do I need to buy the smart card with it also?
http://m.ebay.ca/itm/151500466184?nav=SEARCH
I know i will need the uart micro usb.
Thanks.
Does null IMEI cause unknown baseband or unknown baseband causes null IMEI?
Which one should be fixed first?
Also the service mode (*#0011#) being blank is it because of the modem is not working?
Thatnks.
When I try qpst in windows 7 to connect to the phone in order to rewrite IMEI;
I can change usb setting to RMNET by dialling *#0808#, the device manager it installs two usb ports under ports. Com6 and com7
RMNET SAMSUNG network driver installs but cant be started. it shows a yellow caution sign on the driver. Restarting windows and phone does not fix it.
When I enter the com ports to qpst configuration, it says active but says no phone.
Any help is appreciated.
I finally managed to repair the damage caused by EFS and by when I go to the root explorer I had a clean empty folder EFS whatever I tried to install the new ROM moaning and costum and wipe reset Factory me is always the folder EFS empty my IMEI was correct as it was under the battery, the only thing I had a bad signal and wifi is deenergizes.
To repair the damage I'm desperate to be ordered from stock rom sammobil version 4.4.2 because my phone was slow I then ordered stoc 5.0 then I root the phone and ordered phils latest recover and then I went under the option to mount and put the mount seytem then I have connected phone to a PC and install the adb shell on the computer I Open cmd and typed it
adb shell
su
mke2fs /dev/block/mmcblk0p11 ( skip to next step if fail)
mount -w -t ext4 /dev/block/mmcblk0p11
reboot
This will create a generic EFS files on device
Root explorer/efs and delete factorymode(OFF) and replace with factorymode(ON)
reboot in recovery wipedata factory reset...don
This last what it says to me it was not necessary because I went in and looked exporer root file factorymode where it has been on only one I did factory reset and that's it I got back EFS files and I am so done with all programs EFS Bacup :good:
P : S: because I have a bad signal or should now install new modem in order to find the best signal
Yeah used to see that tutorial by nowy57.
Sent from my GT-N7000
In recovery mode I am not able install any ROMS, theres the error Failed to mount /efs (Invalide argument)
I can only flash stock roms using odin, everything works on stock roms except for the wifi, after connecting/disconnecting multiple times, the wifi stops responding and wont work in the future
---------------------------------------------------------------------------------------------------------------------------------------------
(( SOLVED ))
First thing you should do, is to backup your EFS if you still have it.
I had mine but it wasn't mounting properly.
In order to back it up, please download terminal emulator on a rooted device and follow this video
I would try to back it up, even if you think the efs is messed up... worst case scenario is you end up where you started, not worse off.
---------------------------------------------------------------------------------------------------------------------------------------------
Your device needs to be rooted.
1.) Download SDK tools here - Scroll down to the bottom and "Get just the command line tools"
2.)Install TWRP , Find your device, download the .tar and flash it using ODIN
Boot in to recovery, in TWRP you want to go to mount, make sure system, esf are checked.
3. If you installed SDK tools, go to c:\android tools\SDK tools. hold shift and right click on the area inside the folder and select run command line from here.
4.) In cmd, type
Code:
ADB devices
ADB Shell
SU
mke2fs /dev/block/mmcblk0p10
mount -w -t ext4 /dev/block/mmcblk0p10 /efs
5.) You should be good!!!
Hello all.
Having a little problem with my efs partition not mounting invalid argument.
My phone is booting fine and registering on the network but wifi passwords are lost on reboot.
I unfortunately have lost my efs backup and am worried that doing a rebuild of the partition will screww my phone with no backup.
So am i safe to rebuild or will it be a problem without efs backup?
Update..
Also my phone application crashes when i recieve a call. Upon restart i can see the missed call and call back, just cant answer the call!!!
Sent from my SM-N910F using Tapatalk
joesnose said:
Update..
Also my phone application crashes when i recieve a call. Upon restart i can see the missed call and call back, just cant answer the call!!!
Sent from my SM-N910F using Tapatalk
Click to expand...
Click to collapse
Solved
I have a SM-N910F running marshmallow.
After searching the net trying to find a solution alit of posts suggested...
adb shell
Code:
mke2fs /dev/block/mmcblk0p3
Code:
mount -w -t ext4 /dev/block/mmcblk0p3
Code:
reboot
This did NOT work.
However while trying efs backup apps I noticed that my efs partition seemed to be mmcblk0p13!
So I simply changed the commands to....
adb shell
Code:
mke2fs /dev/block/mmcblk0p13
Code:
mount -w -t ext4 /dev/block/mmcblk0p13
Code:
reboot
This worked for me.
Sent from my SM-N910F using Tapatalk