galaxy tab 2 Stuck in R&D Mode.

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9911726614

Senior Member
Dec 3, 2010
399
270
In Your Hearts
My Tab 2 Struck to R&D Mode there is a yellow Para on homescreen.
which shows phone info like PDA: VERSION: IMEI: CAMERA HW: etc. how can i fix it... need soon help.
and my imei is changed can someone help me to fix in on my own using my PC. thanks.. attaching the picture of my tab....

My IMEI Has Changed and i have no Call or SMS or Data.

now in this mode it has no lockscreen and no power off option...



help me soon..... i need to fix it on my own. with my PC. or Some other Files... i do not want to go to service centre.



Screenshot_2014_01_18_14_36_07.png

image with Homescreen Error.

Screenshot_2014_01_18_14_36_23.png

image with Fault IMEI.
 

mhrsolanki2020

Senior Member
Jan 15, 2012
585
378
do you have any backup of previous roms or atlest your EFS ??
If you have flashed the rom from Philz or CWM recovery then there are high chances that the developer have used the option of "Backing up EFS" and it might be on your sd card..

Please share what have you done so far with your tab.. if you got no backup of EFS then forget about calling functions of your tab .. All i can help without the EFS backup is in restoring your tab back to its normal state..

go to sammobile.com download your ROM from there :
1) Go to sammobile
2) Register and sign in
3) Go to firmware section
4) download the P3100 rom of your location ..
5) Flash it with odin with "Phone EFS clear " option UNTICKED


You might have ticked that option and your EFS got cleared .
Efs holds the imp data like IMEI numbers .. which is illegal to fiddle with in any country..
More info here : http://rescueroot.com/android/how-to-back-up-efs-on-samsung-devices/
and here : https://play.google.com/store/apps/details?id=nl.boris.efsbackup



AND THIS IS THE DANGEROUS ONE:
http://www.droidviews.com/backup-and-restore-lost-imei-on-samsung-galaxy-devices-without-root/

Do this only if you are little expireinced in rooting and stuffs ..

and i hope next time onwards you will be carefull to backup your EFS
 

9911726614

Senior Member
Dec 3, 2010
399
270
In Your Hearts
do you have any backup of previous roms or atlest your EFS ??
If you have flashed the rom from Philz or CWM recovery then there are high chances that the developer have used the option of "Backing up EFS" and it might be on your sd card..

Please share what have you done so far with your tab.. if you got no backup of EFS then forget about calling functions of your tab .. All i can help without the EFS backup is in restoring your tab back to its normal state..

go to sammobile.com download your ROM from there :
1) Go to sammobile
2) Register and sign in
3) Go to firmware section
4) download the P3100 rom of your location ..
5) Flash it with odin with "Phone EFS clear " option UNTICKED


You might have ticked that option and your EFS got cleared .
Efs holds the imp data like IMEI numbers .. which is illegal to fiddle with in any country..
More info here : http://rescueroot.com/android/how-to-back-up-efs-on-samsung-devices/
and here : https://play.google.com/store/apps/details?id=nl.boris.efsbackup



AND THIS IS THE DANGEROUS ONE:
http://www.droidviews.com/backup-and-restore-lost-imei-on-samsung-galaxy-devices-without-root/

Do this only if you are little expireinced in rooting and stuffs ..

and i hope next time onwards you will be carefull to backup your EFS

yes i have no previous EFS........ can you help me... forgot to backup...the efs....
 

mhrsolanki2020

Senior Member
Jan 15, 2012
585
378
yes i have no previous EFS........ can you help me... forgot to backup...the efs....

well first forget about the efs imei and calling functions.. just restore your mobile to normal state .. like usable without simcard...
I told you to download from sammobile .. and flash that tar.md5 file from odin..

EDIT.. i realise that you already have the device in a working state lol ..

Just back up the current EFS "the currupted one" and folow the instructions on a the link i gave you at the bottom of my previous post..
 
Last edited:

9911726614

Senior Member
Dec 3, 2010
399
270
In Your Hearts
well first forget about the efs imei and calling functions.. just restore your mobile to normal state .. like usable without simcard...
I told you to download from sammobile .. and flash that tar.md5 file from odin..

EDIT.. i realise that you already have the device in a working state lol ..

Just back up the current EFS "the currupted one" and folow the instructions on a the link i gave you at the bottom of my previous post..


bro and THAT yellow screen on homescreen what about that..... i had flashed with odin but still the same... thanks
 

mhrsolanki2020

Senior Member
Jan 15, 2012
585
378
bro and THAT yellow screen on homescreen what about that..... i had flashed with odin but still the same... thanks

it might be just a widget .. try removing it .. if it doesnt then i think you should just try to reprogram your EFS rather than trying to remove that yellow thing..

Just follow the links i gave you.. study what efs it .. go to the last link i gave , and try doing the things that it says to create your EFS..
Note: the guide is generic for all samsung galaxy devices .. so you might have to google up a bit to keep up with the guide..
 

SiqrCarnbon

Senior Member
Feb 7, 2013
305
86
Stockholm
If you're rooted download terminal emulator and Google how to exit factory mode on Samsung

Sent from my GT-P3110 using xda app-developers app
 

9911726614

Senior Member
Dec 3, 2010
399
270
In Your Hearts
do you have any backup of previous roms or atlest your EFS ??
If you have flashed the rom from Philz or CWM recovery then there are high chances that the developer have used the option of "Backing up EFS" and it might be on your sd card..

Please share what have you done so far with your tab.. if you got no backup of EFS then forget about calling functions of your tab .. All i can help without the EFS backup is in restoring your tab back to its normal state..

go to sammobile.com download your ROM from there :
1) Go to sammobile
2) Register and sign in
3) Go to firmware section
4) download the P3100 rom of your location ..
5) Flash it with odin with "Phone EFS clear " option UNTICKED


You might have ticked that option and your EFS got cleared .
Efs holds the imp data like IMEI numbers .. which is illegal to fiddle with in any country..
More info here : http://rescueroot.com/android/how-to-back-up-efs-on-samsung-devices/
and here : https://play.google.com/store/apps/details?id=nl.boris.efsbackup



AND THIS IS THE DANGEROUS ONE:
http://www.droidviews.com/backup-and-restore-lost-imei-on-samsung-galaxy-devices-without-root/

Do this only if you are little expireinced in rooting and stuffs ..

and i hope next time onwards you will be carefull to backup your EFS

I have Recovered tab from Factory mode... thanks man... but you have described the link which states that the method is only for the quallcoom processors..... so need a big help to recover my IMEI..thanks