Does anyone know how to back them up? I came from a Samsung device and do not see the efs folder, I'm assuming it is stored elsewhere?
Sent from my XT1034 using xda app-developers app
Sent from my XT1034 using xda app-developers app
How to back up imei/efs?
- Thread starter serophia
- Start date
D
Darth
Guest
Yea but for us its somewhere in a PDS folder I went to it but don't know which file to back up
Sent from my XT1034 using xda app-developers app
Sent from my XT1034 using xda app-developers app
D
Darth
Guest
Backing it up was a safeguard for Samsung devices. Its not practiced on other phones...if it exists...which I don't think it does. And if it does....it is meaningless on non Samsung phones. Backing it up that is.
Google it.
Sent from my Moto X cellular telephone...
Google it.
Sent from my Moto X cellular telephone...
A number of people appear to have already managed to loose their IMEI, so it might be worth finding a way to back it up.
If serophia is correct, and imei is stored in the 'pds' partition - it could be backed up using adb:
To restore:
The pds.img could also be turned into a cwm flashable zip:
Maybe someone could make a tool to simply the process further?
Further information:
Full list of partitions on Moto G:
If serophia is correct, and imei is stored in the 'pds' partition - it could be backed up using adb:
adb shell
su
dd if=/dev/block/platform/msm_sdcc.1/by-name/pds of=/sdcard/pds.img
su
dd if=/dev/block/platform/msm_sdcc.1/by-name/pds of=/sdcard/pds.img
To restore:
dd if=pds.img of=/dev/block/platform/msm_sdcc.1/by-name/pds
The pds.img could also be turned into a cwm flashable zip:
ui_print("Restoring IMEI ...");
package_extract_file("pds.img", "/dev/block/mmcblk0p26");
ui_print("Finished!"); ui_print();
package_extract_file("pds.img", "/dev/block/mmcblk0p26");
ui_print("Finished!"); ui_print();
Maybe someone could make a tool to simply the process further?
Further information:
Full list of partitions on Moto G:
Both modemst1 and modemst2 can be safely wiped without losing IMEI. When restoring Stock Firmware the following commands are included:
fastboot erase modemst1
fastboot erase modemst2
fastboot erase modemst2
That is not to say IMEI is not stored there temporarily; but it must exist another more permanent location. AFAIK, 'pds' is not touched by any normal fastboot firmware flashing process making it a good candidate.
EDIT: Searching XDA for "pds partition imei" turns up mainly Motorola devices. It appears to be the permanent location of a few unique device indendifiers:
Well it's kinda obvious, you need to flash a retail /pds partition. The thing is, you wont get it, cuz it has sensitive data like IMEI, MAC address, serial number, etc.
[source]
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And how could I edit the pds.img to find/restore my imei?
Because if I'm in fastboot and type getvar imei it's there, but in dialer it says "0".
Any help/solutions?
Maybe with a HEX editor?
Because if I'm in fastboot and type getvar imei it's there, but in dialer it says "0".
Any help/solutions?
Maybe with a HEX editor?
You can´t edit it, I tried to look with hex editor. That´s why it is good idea to back it up before something bad happens, sorry.
---------- Post added at 04:38 PM ---------- Previous post was at 04:32 PM ----------
Yeah, that´s what I realized too.
Even if it´s there just temporarily, it´s there and it won´t do any harm to back them up besides the pds partition.
Edit: btw just noticed that the pds size is exactly a sum of modemst1 + 2 sizes. I know that that doesn´t prove anything but...
Another thing - I´ve read somewhere from a user who compared hashes of his multiple modemst backups and they differed. Apparently there are some other non-constant infos stored there besides IMEI, that´s why it is erased during fastboot flash.
Last edited:
Here is a detailed guide for entering a new IMEI number on Droid Razor, access via BP Tools Mode:
[HOW TO][FIX] Recover your IMEI
http://xdaforums.com/showthread.php?t=1960918
EDIT: In that thread someone suggests flashing the Stock Firmware Image without a SIM inserted, boot phone and skip all, proceed to home screen, shutdown, insert SIM and boot.http://xdaforums.com/showthread.php?t=1960918
Last edited:
this way man
http://xdaforums.com/showthread.php?p=50960462
follow the link above to backup and restore ur imei for moto g
http://xdaforums.com/showthread.php?p=50960462
follow the link above to backup and restore ur imei for moto g
Cool thanks will try it when I get the chance
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2A number of people appear to have already managed to loose their IMEI, so it might be worth finding a way to back it up.
If serophia is correct, and imei is stored in the 'pds' partition - it could be backed up using adb:
adb shell
su
dd if=/dev/block/platform/msm_sdcc.1/by-name/pds of=/sdcard/pds.img
To restore:
dd if=pds.img of=/dev/block/platform/msm_sdcc.1/by-name/pds
The pds.img could also be turned into a cwm flashable zip:
ui_print("Restoring IMEI ...");
package_extract_file("pds.img", "/dev/block/mmcblk0p26");
ui_print("Finished!"); ui_print();
Maybe someone could make a tool to simply the process further?
Further information:
Full list of partitions on Moto G:
