Nvdata file - Android Q&A, Help & Troubleshooting

Hey guys,
I would like to know more about the nv_data.bin file in sumsung android phones (located in the EFS partition).
All I have found in the web is that the file contains the IMEI and you could "destroy" this file while you fail in root progress.
When this file should be changed and when it used ?
Thanks alot !

Related

[Q] No longer have nv_data.bin file

How do I get that file back?
drb3rg said:
How do I get that file back?
Click to expand...
Click to collapse
if you dont have the file .nv_data.bak in the /efs folder, try to check if you have the file in your sdk tools folder. I found a backup of mine (don't ask me why it was there) in the folder.I could restore my imei with that file on my Galaxy Tab

[Q] need help efs nv_data.bin not found samsung vibrant

hello i need help i´ve been trying to unblock my samsung vibrant but i cant find efs folder or nv_data.bin. what can i do. I don´t have a copy of this files i´m desesperate please help
Do you have root access and root explorer?
on the market look up galaxy S unlock. Not All vibrants had the nv_data file or whatever it is that allowed them to be unlocked in that way If I remember correctly. Galaxy S unlock has a generic unlock method for the Vibrants affected by this. I used it, it seemed to work. dunno, since I haven't tested it on any other SIM cards, but it did backup /efs to the SD card and create the files as it said it would.
Its worth a shot, and comes with a way to revert back if issues occur. Be sure to follow instructions, Don't delete the files it creates on the SD until you test everything out and make sure you have no issues. This way you can revert back using the backup.
same here
I try to get an unlock code using generate unlock window but after I ran it, it show error unable to find file <nv_data.bin>
Do I have to root it first b4 i can unlock it? please help.
thank you
Hello I seem to have the same issue...
I have rooted the phone, I have a file manager to browse my in-phone folders..
I went in the efs folder it says: "the folder is empty or have been banned. not the retrieved information"
I have also been trying to unlock the phone.. (i9000) I have tried all the ways that are on the xda developers and have finally tried to do it the manual way...
But I am stuck at transferring the nv_data.bin file...
Please help out!
Thanks
Im having the same issue. Been looking for an answer for hours and no luck. Im dying to use this phone...
same
i have the same isssue
Hello, The reason that you can not find the folder EFS it is because it is hidden. You can install Android Terminal Emulator from market
And then run it and write the command to see all the folder
ls -l
You will see the EFS folder.
Please let me know if it works for you
samsung advance sin imei ni nv_data.bin
hello my samsung advance imei not displayed and entered the efs folder and I find no data data.bin bak as I can do to put a generic one at least? or if someone is kind enough to pass me those files so I test if it works ... thanks!: Crying:
no nv_data.bin found
Hi there!
My 2.3.3 is rooted,
there is no /efs folder and
nv_data.bin was not found in the system.
what can i do in this case!?

I9100 rebuild efs folder

I have corrupted efs folder on i9100,
I now have the imie set at default 0049xx , now
When I copy back the original nv_data.bin to the efs folder ,
the imie is still 0049xx when I reboot the phone .
I have deleted the .bak files and both .md5.
I only have the nv.data file backed up .
Do I need to Chang permissions on the file before I reboot .
Any help appreciated .
Fuctifano said:
I have corrupted efs folder on i9100,
I now have the imie set at default 0049xx , now
When I copy back the original nv_data.bin to the efs folder ,
the imie is still 0049xx when I reboot the phone .
I have deleted the .bak files and both .md5.
I only have the nv.data file backed up .
Do I need to Chang permissions on the file before I reboot .
Any help appreciated .
Click to expand...
Click to collapse
Use this... Practically u need to give permissions rw-r-r (i think) but use this tool as it formats EFS partition and rebuilds it using ur backed up EFS folder..
I'll try that thanks , root explorer lets me set permissions to w/r when I copy the new bin file over .
It just seams to over write to default . How can I get the system to generate the md5 for my bin file
Anyone help me fix this if I only have the original bin file ?

[CHINA PHONE] - How to modify backup file of Android system <3e>.. Help me Plz..

[CHINA PHONE] - How to modify backup file of Android system <3e>.. Help me Plz..
Dear All..
My phone was brick when I modify a build.prop file.
That is a china phone, and I can't find any rom or data backup on internet.
The phone have Android system recovery <3e>. The system can't backup and create to ***.zip file type, it just create to ***.backup file type.
So I now have a userdata***.backup file ( include fail build.prop), and build.prop file ok.
Can anyone help me to modify the backup file by build.prop file ok..
This is my backup file:
mediafire.com/download/ac1ldbk5d6ary7v/backup.rar
I really looking forward to your help.
Thanks ..

Galaxy S3 I9300 THL Android 4.3 IMEI 00499910640000

Hi guys, I recently got a new S3 I9300 ( red ) which was stock and never rooted.
I made a mistake by restoring a full package ( EFS , System , data , Boot etc... ) from another S3 ( black ) and forgot to backup the red S3 EFS I have a full Zip which contains AP , BL ,CSC , CP for Odin including a folder which is called EFS containing 2 .bin file called EFS_xxxxxxx.
I would like to known if it's possible to use those .bin files to restore the default EFS and IMEI number?
Do i manually have to put those .bin files in some folders in my device?
Thank you in Advance for an answer.

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