SM-T815Y My imei lost need help - Galaxy Tab S2 Q&A, Help & Troubleshooting

SM-T815Y
Need file nv data to restore imei,
Please help
i search file on google not found

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[Q] URGENT! IMEI screwed, need help to restore!

Hey, I got some problems. Posted in another forum, but it's very urgent so I post it here to. Just quoting what I previously posted.
Hey, flashed the JVS modem on top of the Chameleon Final. Didn't get any signal and the baseband version in settings stated "unknown". Tried another modem, JVO and flashed back to Chameleon modem, still not fixed. Also tried to wipe everything and install rom again... did not help either. Odin didn't report any errors whatsoever.
Desperate for some help her guys!
Click to expand...
Click to collapse
Got reply that my IMEI was screwed, and replied:
[quote author=bahafeld link=topic=1931.msg13081#msg13081 date=1316107492]
Okey, I have backup of my original EFS folder. Isn't it there the IMEI is saved? can I just copy it over again with Root Explorer?
Please help me out here. All the guides I've found have the EFS saved in a .tar format. However I just backed up the EFS folder with root explorer. Anyone know I can recover my EFS, tried just copying it back, but that did not work.
Its kinda urgent!
[/quote]
So I hope you guys at XDA can help me a bit faster.
Thx
bahafeld
if you have a .tar version of your EFS. Unzip it. Copy all the contents of it, And paste them to the /EFS on the phone. Making sure they overwrite the current contents.
Once that has done, Restart the phone without backing out of root explorer (or what ever app you are using to copy/paste these files).
If that fails, Repeat the above step but ONLY copy / paste the NV_data.bin & NV_data.bin.md5
And finally if that fails. Backup all your stuff using Titanium Backup (or similar) And re flash a stock Froyo ROM. Maybe older, its upto you.
That will Definitely restore the IMEI, Then re-root and go back to whatever ROM you wish.
Good luck.

About efs for I9001,new discover

cos my IMEI code is "000....00" now,I have to work on it.
today,I went to the seller which I bought my phone.he helped me and gave me a working phone of I9001 for backup it's efs.I found the below:
1.in efs of I9001,not find nv_data.bin and nv_data.bin.md5.I got the files like the pics show.
2.I backup efs by HC-ktool,then I got a file of 104Mb which it's name is efs.img.
So now I want to know the answers:
a/There are not files of nv_ in I9001,why? how to modify my IMEI?
b/for the getting file of 104Mb,can I restore it into my phone?what's the dangerous(cos hc ktool show me)?
please help !!!! thank you all so much.
wrong post.http://forum.xda-developers.com/forumdisplay.php?f=748

[Q] i8190 IMEI NULL/NULL

Hello,
got the same Problem like alot others. Wrong flashing and the complete EFS was destroyed.
Now i go back to Stock, rebuild the Baseband and the Counter is 0. But still have IMEI NULL/NULL
I read now alot of posts in the Net and tryed a lot but nothing helped.
So my Question is, is there really a solution to build the IMEI back to the Original one if you completly lose the original
EFS Folder? Or do i need to get it to technican to get it back with a Box?
I tryed IMEI Changer App but this one doesnt work on my i8190.
If there is another way to fix this, would be grate to get a but of Help.
Thank you in advance.
So i try to change the IMEI with ALP. But ALP directly gets an Read Error while try to get the IMEI.
Is there a File i can put in and change it with ALP to get back my IMEI?
I had the same problem when i was on my SGY. Just reflash the rom through odin and fix permissions. ??
There is no bad choises, only bad results.
SGS III Mini
tenshi_xp's PAC Rom RC-3
KitKat 4.4.4.
Hi,
thank you for your Answer. But i already reflashed Stock Rom all things are back, i just miss the IMEI File or Area. Saw on the net there are IMEI Folder to flash with ODIN
so i can change it with ALP. But most of the Sites or Files or deleted, maybe false and Viruses, i dont know.
My Problem is that my complete EFS Folder was lost, no Backup nothing. With different Flashes and Stuff i got it back with Baseband, CSC and so on. Just my IMEI tells
me NULL/NULL and ALP cant get it, because this Part isnt available anymore
Can you tell me Stockrom or something i can try? Need something for an open German i8190.
Best Regards
guzzzi0 said:
Hi,
thank you for your Answer. But i already reflashed Stock Rom all things are back, i just miss the IMEI File or Area. Saw on the net there are IMEI Folder to flash with ODIN
so i can change it with ALP. But most of the Sites or Files or deleted, maybe false and Viruses, i dont know.
My Problem is that my complete EFS Folder was lost, no Backup nothing. With different Flashes and Stuff i got it back with Baseband, CSC and so on. Just my IMEI tells
me NULL/NULL and ALP cant get it, because this Part isnt available anymore
Can you tell me Stockrom or something i can try? Need something for an open German i8190.
Best Regards
Click to expand...
Click to collapse
Our IMEI number isn't saved in /efs partition/folder. It's saved in mmcblk0p9 partition which take up to 1MB. The efs partition (/efs>imei folder) only contains the IMEI key code to access the IMEI number in mmcblk0p9 path. If your IMEI key code got wiped and you didn't make a backup of your efs partition, then you will (unfortunately) never see your IMEI again
BTW : Does WiFi, Bluetooth etc. works or not?
EDIT : I found a interesting therad for you http://forum.xda-developers.com/showthread.php?t=2755787. Maybe you can use this efs backup from this user and change the IMEI to your original one.
xXPR0T0TYPEXx said:
Our IMEI number isn't saved in /efs partition/folder. It's saved in mmcblk0p9 partition which take up to 1MB. The efs partition (/efs>imei folder) only contains the IMEI key code to access the IMEI number in mmcblk0p9 path. If your IMEI key code got wiped and you didn't make a backup of your efs partition, then you will (unfortunately) never see your IMEI again
BTW : Does WiFi, Bluetooth etc. works or not?
Click to expand...
Click to collapse
Yes all other Services are working WiFi and BT. Just the IMEI Numbers are gone.
But if its possible to recreate the Folder and File i think its possible to change the IMEI Number with APS to the old one from the Mobilphone.
But i can get them back if i recover with a OctupsBox or how this boxes are calling?!
guzzzi0 said:
Yes all other Services are working WiFi and BT. Just the IMEI Numbers are gone.
But if its possible to recreate the Folder and File i think its possible to change the IMEI Number with APS to the old one from the Mobilphone.
But i can get them back if i recover with a OctupsBox or how this boxes are calling?!
Click to expand...
Click to collapse
Check my edited post mate
xXPR0T0TYPEXx said:
Check my edited post mate
Click to expand...
Click to collapse
Thank you. Will try this when im back at Home. I will give Feedback if it was possible.
When try to install this with CWM i get an Installation aborted
Isnt there a complete Stock Rom with Partition file and everything needed?
guzzzi0 said:
When try to install this with CWM i get an Installation aborted
Isnt there a complete Stock Rom with Partition file and everything needed?
Click to expand...
Click to collapse
There is an alternative method. You can flash this efs.img (which you find in the zip file) with terminal emulator which needs ROOT access.
1. root your device and download terminal emulator from Google play store.
2. Copy the efs.img to your internal storage and open terminal emulator.
3. After open terminal emulator type su to give root access, (your supperuser app asks for root access, confirm with yes)
4. Type/Copy this code : dd if=/storage/sdcard0/efs.img of=/dev/block/mmcblk0p11 in terminal emulator and press "enter"
5. Now your efs partition got overwritten with the efs.img
BEFORE!! you start this method, backup your "current" efs folder by type in terminal emulator : dd if=/dev/block/mmcblk0p11 of=/extSdCard/EFS.img
Please do this at your own risk!
xXPR0T0TYPEXx said:
There is an alternative method. You can flash this efs.img (which you find in the zip file) with terminal emulator which needs ROOT access.
1. root your device and download terminal emulator from Google play store.
2. Copy the efs.img to your internal storage and open terminal emulator.
3. After open terminal emulator type su to give root access, (your supperuser app asks for root access, confirm with yes)
4. Type/Copy this code : dd if=/storage/sdcard0/efs.img of=/dev/block/mmcblk0p11 in terminal emulator and press "enter"
5. Now your efs partition got overwritten with the efs.img
BEFORE!! you start this method, backup your "current" efs folder by type in terminal emulator : dd if=/dev/block/mmcblk0p11 of=/extSdCard/EFS.img
Please do this at your own risk!
Click to expand...
Click to collapse
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
guzzzi0 said:
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
Click to expand...
Click to collapse
Wait mate. I will upload this efs.img...
guzzzi0 said:
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
Click to expand...
Click to collapse
Here the ZIP file. It's not flashable, just unzip it and flash it with terminal emulator
Im sorry but this didnt helped. I think i really need all Parts back to re-partition + Bootloader and all other stuff to get it back.
But i think to send it to a shop to get it back into life.
Many thanks for your Help and merry Christmas and happy new Year
Best Regards
guzzzi0 said:
Im sorry but this didnt helped. I think i really need all Parts back to re-partition + Bootloader and all other stuff to get it back.
But i think to send it to a shop to get it back into life.
Many thanks for your Help and merry Christmas and happy new Year
Best Regards
Click to expand...
Click to collapse
Yes it's better to send it back to Samsung center
Merry Christmas and happy new year too

S3 MINI i8190 IMEI NULL after cyanogenmod update

Hi guys,
Yesterday I updated my cyanogenmod 11 with newest version doing a wipe cache first. After rebooting my phone seems to have an issue: the IMEI is null and I can't call or receive calls.
So I decided to flash the stock rom with odin, I thought that this could help, but nothing to do, the IMEI is still null and I can't use the phone
The first time I installed cyanogen I made a backup (using TWRP function), looking for that backup files, I discovered a file called efs.ext4.win, but if I try to open it with an unrar program, I see these files inside:
\.files
\bluetooth
\FactoryApp
\imei
\RFHAL
\RFHAL.DEF
\wifi
GUARDFIL
gyro_cal_data
pre_recovery.log
I don't see any "nv_data.bin" file or something like that. Is that normal?
Anyway, I think that EFS folder is corrupt or missing, i don't know. Is there a way to solve this issue? Thank you.
MaterialX said:
Hi guys,
Yesterday I updated my cyanogenmod 11 with newest version doing a wipe cache first. After rebooting my phone seems to have an issue: the IMEI is null and I can't call or receive calls.
So I decided to flash the stock rom with odin, I thought that this could help, but nothing to do, the IMEI is still null and I can't use the phone
The first time I installed cyanogen I made a backup (using TWRP function), looking for that backup files, I discovered a file called efs.ext4.win, but if I try to open it with an unrar program, I see these files inside:
\.files
\bluetooth
\FactoryApp
\imei
\RFHAL
\RFHAL.DEF
\wifi
GUARDFIL
gyro_cal_data
pre_recovery.log
I don't see any "nv_data.bin" file or something like that. Is that normal?
Anyway, I think that EFS folder is corrupt or missing, i don't know. Is there a way to solve this issue? Thank you.
Click to expand...
Click to collapse
S3 mini has no nv_data.bin file in EFS folder. You made already a backup of your efs, try to restore it with TWRP to get your IMEI back
Sent from my GT-I9301I using XDA Free mobile app
xXPR0T0TYPEXx said:
S3 mini has no nv_data.bin file in EFS folder. You made already a backup of your efs, try to restore it with TWRP to get your IMEI back
Sent from my GT-I9301I using XDA Free mobile app
Click to expand...
Click to collapse
Thanks for replying.
I tried to restore EFS folder using TWRP and my backup, but nothing changed, I still don't have Imei and baseband.
Do you think that flashing a PIT file could help me?
Thank you so much.

SM-G925F imei problem

Hello guys , so i have my sm-g925f with imei 35000000000006 . i flashed this version g925fxxu6erf5 ( android 7.0 ) . The phone is unlocked . How can i fix this ?
Hello
This is probably caused for a delete of the EFS/ partition that contains al info of the MAC address and IMEI serial number etc... . If you delete this partition by mistake you couldn´t restore the EFS/ partition or if is there any chance it seem to be very difficult. You can see for in a case you have a backup of the EFS/ partition and restore it.
Best Regards
I went to a service and they writed the imei for 20 euro , T/C .

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