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Hi!
I downgraded from ICS 4.0.4 IMM76K to 2.3.6 GB.
Everything was smooth, EXCEPT THAT SIM IS NOT DETECTED.
The same sim is detected in all other phones. No other sim is detected in my gt i9000!
Plz hlp me with the easiest way cuz im a noob!! i've tried the "9 steps to recovering IMEI" but i get stuck at the terminal app!! its not working for me! :-((
I have the eps backup file on my sd card, i copied it to my root phone dir but it still didnt solve the problem!! I tried EfsPro as well, didnt work for me! Im a noob so i may be missing something. PLZ HELP ME PPL!! :-((
I'll highly appreciate your help ppl!!
Thanks
Where did you copy your Backup
Sent from my GT-I9100 using Tapatalk 2
I made a backup via cwm..im trying to restore "data" and "system" via advanced restore and see wether it works..currently doing that
OK let me know then!
If it not works, try the app nitrality from market, you can try to restore your efs backup with the app
Sent from my GT-I9100 using Tapatalk 2
didnt work.
So now I am fully restoring it via CWM, before i was rebooting into CWM mode, and then advance restoring.
Ok I'm gonna also try that app and let you know!
Btw thank you so much for your help man!! Im so bloody depressed! :-(
The damage is reversible right? I mean im not a gonner am I? I'll keep you updated!
Since you made an backup of your efs folder its always possible to restore so no reason for getting depressed mate!
Sent from my GT-I9100 using Tapatalk 2
I restored it fully, but after the phone rebooted, it just got stuck at the boot screen..i took out the battery after 5 mins as it was still stuck at the boot screen.
What do you suggest now? I'll try that app you suggested once I get my firmware working!
Retiring for bed, will follow up on your advice when i wake up..
Go into the recovery and make a factory reset, if the Akku trick won't work
Sent from my GT-I9100 using Tapatalk 2
Did you make sure you flashed with a .pit file as well,? You must do this down grading as the file partitions are different from ics
Ok I tried to go into recovery mode, but the phone would just boot again, from the very first boot screen (where samsung is displayed at the bottom)..so should i flash again with the .pit thingy?
ok guyz nitrality didnt work..flashed it with gingerbread with .pit again..no imei number
caddyfreak said:
ok guyz nitrality didnt work..flashed it with gingerbread with .pit again..no imei number
Click to expand...
Click to collapse
Do you have a back up of your efs folder?
Yes i have the efs backup on my pc and ds car. I tried copying the efs to system root dir, but no luck.
the nv_data.bin file is 2MB in the backup folder on my sd card, but as soon as I copy the whole efs folder to root dir, this nv_data.bin file is 0bytes size..
One question, when u copied your Backup into the root directory
Did you made a reboot then?
Sent from my GT-I9100 using Tapatalk 2
ablor said:
One question, when u copied your Backup into the root directory
Did you made a reboot then?
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
No I did not reboot after copying it to the root directory. Let me try and I'll let you know
I copied nfs to root again, but the nv_data.bin file is reduced from 2mb to 0bytes as soon as its copied...and reobooted but still no luck...
What app do you use for copy your Backup and another question, in what folder exactly do you copy it
Sent from my GT-I9100 using Tapatalk 2
ablor said:
What app do you use for copy your Backup and another question, in what folder exactly do you copy it
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
I use root explorer (got the free one from some site) I copy it to " /efs" its the first window that comes up when u open root explorer.. and i found another problem,
I dial *#1234#, I get:
PDA: I9000XXJVU
PHONE: Unknown
CSC: Unknown
telling u ppl so that you can understand the problem better
Hi there guys, I'm pretty new to all that custom rom stuff etc. so pls don't blame me for being newbish
I've been using a CF rooted I9000 with Android 2.3.3 for quite a while now, so I thought it's time for something new.
So I tried to update my old 2.3.3 firmare (CF rooted) to a new ICS rom.
First I tried it with Slim ICS: http://forum.xda-developers.com/showthread.php?t=1488096
Tried it with semaphore kernel first. It actually worked quite fine but I couldn't get any signal and apparently my IMEI is gone and aswell there is no correct modem installed as it says "unknown baseband version".
I also tried to flash CM9 instead with the build in kernel, but still no IMEI and no service.
Also tried to manually install this modem: radio-Cm-7-GalaxyS-JVU-signed.zip , but still no change and still "unknown baseband version".
I'm located in Germany using O2 , any other suggestions for modems?
Any suggestions how I get my service back to work on Slim ICS?
If not, how do I get my old system back? I made a nandroid backup but apparently the new CWM Recovery version is not compatible with my nandroid backup from the old system. I guess I have to flash everything back to stock with Odin and get the old CF root again, then I should probably be able to restore my nandroid backup.
Still it would be awesome if I get Slim ICS to work.
Would appreciate any help
This is such a common problem.
Problem:- lost my IMEI or changed on upgrading
Solution:
1) Download Root Explorer from Play Store and use it to
2) Search you internal SD card for sdcard/backup/efs
3) Copy nv_data.bin, nv_data.bin.md5 and nv.log paste them into /efs in your Phone memory
4) Reboot to get back your original IMEI
or
If you don't have the EFS backup, you can start from the beginning.. ODIN back to a stock samsung rom and root:
JVU
Mirror from Samfirmware: http://hotfile.com/dl/140301534/be88...U_OXA.rar.html
password: samfirmware.com
CF-Root= http://download.chainfire.eu/132/CF-...etrieve_file=1
after rooting, backup your EFS folder to your pc in case you lose your IMEI number again.
Flash your custom rom.
If you lose IMEI number just follow the instructions above to fix it without having to start from the beginning. Hope this helps you.:victory:
thx for the detailed instructions for the common problem^^
Still I wonder why that happens so often and why I haven't read about backing up my EFS in any instructions of Custom Rom (well I haven't seen a lot anyway...)
Shouldn't it be possible to export the EFS folder out of the nandroid backup? Cause I'm pretty sure I didn't back up that folder...
Anyway, if I got my IMEI back, do you think my "no service" problem will automatically be fixed aswell or is that a whole different problem?
I'll try to recover my IMEI when I'm back home but I guess I'll have to recover the stock one.
I still should have the stock rom data files somewhere so I guess it shouldnt be a problem to return to stock.
Sometimes the custom roms can create the EFS backup without you doing so, just check and see.
Anyway, once you get your IMEI back the "no service" problem should be fixed. They normally go together. I didn't know about this problem and had to start over from stock when it happened to me. Now I have an EFS backup folder in my computer in case it ever happens again. :silly:
getting slightly pissed off now...
There actually is a backup folder of EFS, but...
Tried it with ES file Explorer and File Manager, both should be able to gain root access but somehow it doesn't work. Don't wanna buy Root explorer...
Then I switched back to CM9 and noticed that there's no file explorer at all... This is getting annoying.
I'm might just switch back to stock, it's easier than trying to figure out how those custom roms messed up my system
EDIT:
Ok I managed to install Root explorer, the problem is that is says I don't have enough space in my /efs folder to replace it with my backup efs files. There seems to be 12.42Mb used and only 80k free in that folder...
p-walker said:
EDIT:
Ok I managed to install Root explorer, the problem is that is says I don't have enough space in my /efs folder to replace it with my backup efs files. There seems to be 12.42Mb used and only 80k free in that folder...
Click to expand...
Click to collapse
you just overwrite it with root explorer . For other methods http://forum.xda-developers.com/showpost.php?p=26827676&postcount=4512" and this http://forum.xda-developers.com/showthread.php?p=30415128#post30415128
xsenman said:
you just overwrite it with root explorer . For other methods http://forum.xda-developers.com/showpost.php?p=26827676&postcount=4512" and this http://forum.xda-developers.com/showthread.php?p=30415128#post30415128
Click to expand...
Click to collapse
As I told you I couldn't overwrite the files in the efs folder as my backup efs data files wouldn't fit into the new efs folder. Looks like this is a problem that hasn't occured to often when you never heard about it^^
Well anyway thx for the link to your collection of solutions, very helpful, should be sticky.
Had to go back to my stock 2.3.3 anyway, I'll try to flash to 2.6 first now, then CM9, then Slim ICS, maybe that works better
Just flash a 2.3.6 and then ICS.. it doesn't matter if you flash a 2.3.3 before
Inviato dal mio GT-I9000 con Tapatalk 2
astrojo3 said:
This is such a common problem.
Problem:- lost my IMEI or changed on upgrading
Solution:
1) Download Root Explorer from Play Store and use it to
2) Search you internal SD card for sdcard/backup/efs
3) Copy nv_data.bin, nv_data.bin.md5 and nv.log paste them into /efs in your Phone memory
4) Reboot to get back your original IMEI
or
If you don't have the EFS backup, you can start from the beginning.. ODIN back to a stock samsung rom and root:
JVU
Mirror from Samfirmware: http://hotfile.com/dl/140301534/be88...U_OXA.rar.html
password: samfirmware.com
CF-Root= http://download.chainfire.eu/132/CF-...etrieve_file=1
after rooting, backup your EFS folder to your pc in case you lose your IMEI number again.
Flash your custom rom.
If you lose IMEI number just follow the instructions above to fix it without having to start from the beginning. Hope this helps you.:victory:
Click to expand...
Click to collapse
Finally a good solution, it helped me. thanks
So I just followed this guide now: thehelptimes com how-to-install-android-4-0-ice-cream-sandwich-on-galaxy-s-i9000
It basically says you have to go from 2.3.6 , same what you guys said
I used the SGSICS Rom now and this is working perfectly.
After that I changed to Slim ICS which is working now also correctly.
So everything is fine now I guess, kind of time consuming though^^
same imei problem
i have the same problem and i new all this rom stuff so am not quite clear on your steps on how to fix imei problem
astrojo3 said:
This is such a common problem.
Problem:- lost my IMEI or changed on upgrading
Solution:
1) Download Root Explorer from Play Store and use it to
2) Search you internal SD card for sdcard/backup/efs
3) Copy nv_data.bin, nv_data.bin.md5 and nv.log paste them into /efs in your Phone memory
4) Reboot to get back your original IMEI
or
If you don't have the EFS backup, you can start from the beginning.. ODIN back to a stock samsung rom and root:
JVU
Mirror from Samfirmware: http://hotfile.com/dl/140301534/be88...U_OXA.rar.html
password: samfirmware.com
CF-Root= http://download.chainfire.eu/132/CF-...etrieve_file=1
after rooting, backup your EFS folder to your pc in case you lose your IMEI number again.
Flash your custom rom.
If you lose IMEI number just follow the instructions above to fix it without having to start from the beginning. Hope this helps you.:victory:
Click to expand...
Click to collapse
hello Sir ,
Can You give Me Clear Gide . I Am Not Understand It . Please help Me .
It is a bug in the rom and in my opinion with the modem, try upgrading to Jelly Bean
Check your imei number (in settings) if it is beginning with 0, then do the steps below )))
If you want signal, go back to 2.3.6, copy your EFS folder (from system) to your sd (with root explorer), install that rom, which you need, then copy your EFS folder from your SD to system, overwrite every file, that already exists (with root explorer again)(if you can't copy the files to system, press the R/W button) You need root for the whole process!!!
Enjoy,
Jelly Bean
Sent from my GT-I9000 using xda premium
pls help
same problem...
but i9003 galaxy sl
no carrier free international version.
will this method work?
I have the fake imei number. I search in the sdinternal and there's a backup folder with the efs in there, but i don't know when or what did this backup. Is there a way to see the imei number in this folder to see if its the correct one?
regards,
Guys.... da guide easy enough to follow
for those whose dont format internal sd, there will be efs folder in /sdcard/ (internal sd) Juz open da efs folder, copy everything inside it into phone memory in efs folder.
folder will be in here /efs by overwritten everything, there will be 3 (usually file inside backup efs folder or juz copy everything (not da folder named backup, da file inside it)
then reboot
oyea u need to have root permission to alter system
astrojo3 said:
This is such a common problem.
Problem:- lost my IMEI or changed on upgrading
Solution:
1) Download Root Explorer from Play Store and use it to
2) Search you internal SD card for sdcard/backup/efs
3) Copy nv_data.bin, nv_data.bin.md5 and nv.log paste them into /efs in your Phone memory
4) Reboot to get back your original IMEI
or
If you don't have the EFS backup, you can start from the beginning.. ODIN back to a stock samsung rom and root:
JVU
Mirror from Samfirmware: http://hotfile.com/dl/140301534/be88...U_OXA.rar.html
password: samfirmware.com
CF-Root= http://download.chainfire.eu/132/CF-...etrieve_file=1
after rooting, backup your EFS folder to your pc in case you lose your IMEI number again.
Flash your custom rom.
If you lose IMEI number just follow the instructions above to fix it without having to start from the beginning. Hope this helps you.:victory:
Click to expand...
Click to collapse
hi what means JVU and the mirror doenst work anymore, after flashing i losed mine imei, and have no backup at all now i dont have any service please give me the link to the good mirror mine phone is usseless now
dioii said:
hi what means JVU and the mirror doenst work anymore, after flashing i losed mine imei, and have no backup at all now i dont have any service please give me the link to the good mirror mine phone is usseless now
Click to expand...
Click to collapse
follow this and flash the gingerbread JVU ROM or look in My Android Solutions, link below for other solutions.
Check this out!You , YES! you are an " Android ". Not your phone but U.
You Must watch this documentary concerning your privacy Terms & Conditions we had agreed to, by using a PC or Smartphone
How to say Thank you? If you find any post helpful on XDA, please click on the Thanks button
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If you are using XDA App or Tapatalk, long press on the post and select :good: Thanks Its easier to give "Feedback" in this manner than make an additional post.
xsenman said:
follow this and flash the gingerbread JVU ROM or look in My Android Solutions, link below for other solutions.
Check this out!You , YES! you are an " Android ". Not your phone but U.
You Must watch this documentary concerning your privacy Terms & Conditions we had agreed to, by using a PC or Smartphone
How to say Thank you? If you find any post helpful on XDA, please click on the Thanks button
If you are using XDA App or Tapatalk, long press on the post and select :good: Thanks Its easier to give "Feedback" in this manner than make an additional post.
Click to expand...
Click to collapse
hi i have the samsung galaxy s3 i9300 it does not stand next to al the other ones does it still works? that link you gave me?
dioii said:
hi i have the samsung galaxy s3 i9300 it does not stand next to al the other ones does it still works? that link you gave me?
Click to expand...
Click to collapse
NOPE, never use other ROMs meant for other phones on your phone.
S1 and S3 are not the same
you need to locate the i9300 stock ROM, preferably an early version and flash to get back your IMEI
First identify your model as branded versions, need branded ROMs
Galaxy S III GT-I9300 Galaxy S III International
Galaxy S III SHW-M440S Galaxy S III South Korea
Galaxy S III SGH-T999 Galaxy S III T-Mobile
Galaxy S III SGH-I747 Galaxy S III AT&T
Galaxy S III SC-06D Galaxy S III Japan
Galaxy S III SCH-R530 Galaxy S III U.S. Cellular
Galaxy S III SCH-I535 Galaxy S III Verizon
Galaxy S III SPH-L710 Galaxy S III Sprint
than go here to locate your sub forum and search for the earliest STOCK ROM , that your phone came with and flash that to recover your IMEI and also post there for help as someone there might have another solution
Check this out!You , YES! you are an " Android ". Not your phone but U.
You Must watch this documentary concerning your privacy Terms & Conditions we had agreed to, by using a PC or Smartphone
How to say Thank you? If you find any post helpful on XDA, please click on the Thanks button
If you are using XDA App or Tapatalk, long press on the post and select :good: Thanks Its easier to give "Feedback" in this manner than make an additional post.
how can i fix a note without imei? tuts?
Restore an efs backup if had ever made one or contact cvxcvx.pl
nokiamodeln91 said:
Restore an efs backup if had ever made one or contact cvxcvx.pl
Click to expand...
Click to collapse
i don't have an efs backup...i most contact cvxcvx.pl?
is this a user?
yes user as well as http://www.cvxcvx.pl/?lang=en
he restores IMEI.. may be he can help you.
He can do this when you can show and prove that you have and own the original imei number. He can't "invent" one.
So you should check this first.
ThaiDai said:
He can do this when you can show and prove that you have and own the original imei number. He can't "invent" one.
So you should check this first.
Click to expand...
Click to collapse
Yup
he restores IMEI.. > doesnot mean generates
may be he can help you. > doesnot mean he will
ok i understand..but he want's money ) i'm from romania it's hard to pay , i don;t have credit card..
it isn't any free tut how to restore the imei.. ?! .. i will be greatefull!
Georgebucataru said:
ok i understand..but he want's money ) i'm from romania it's hard to pay , i don;t have credit card..
it isn't any free tut how to restore the imei.. ?! .. i will be greatefull!
Click to expand...
Click to collapse
No, because using hardware equipment is part of the repair process.
Until now I do not know a "software" restore mechanism (if you do not have a working backup of your old efs).
And I read and checked a lot of threads about this because I have a device where the IMEI is written in letters inside the device but not anymore in the efs - I have the so-called developer IMEI.
You should fist explore your note with root explorer. Depending on the rom you're using, you may have a backup of your efs partition (some rom do it automaticaly).
Watch your SD card if ther is a file called "efs.img"
You can also look inside the efs partition if there are files called .nv_data.bak and another one called .nv_data.bak.md5
If yes, you can fix it yourself.
I have a device where the IMEI is written in letters inside the device but not anymore in the efs - I have the so-called developer IMEI.
Click to expand...
Click to collapse
Oh!!Note? may be thats why you got the LSC update. Good
nokiamodeln91 said:
Oh!!Note? may be thats why you got the LSC update. Good
Click to expand...
Click to collapse
Pssst, do not tell anybody. But I guess that developer door is closed now, since November nothing (I check for OTA updates every day - I can do the install XXLSA/restore GB backup process while deep sleeping now).
i have found in the efs folder from internal memory the files! what now?
take a look!
Sent from my GT-N7000 using xda app-developers app
http://forum.xda-developers.com/showthread.php?t=1264021 i use that steps because i have foun an efs folder..but i didn't found ".nv_data " i copied a .nv_data.bak and rename it , that file with 2mg .. and i do the procedure..and i see a difeerence.. befor to do the procedore all was unknown ..now it's something else ..i'll post some screenshots!
now it'r rwiten that...the picture are after the procedure... sorry for my bad english
Sent from my GT-N7000 using xda app-developers app
Rename nv_data.bin to nv_data.bak
Rename nv_data.bin.md5 to nv_data.bin.md5.bak
Then:
Rename .nv_data.bak to nv_data.bin (remove the point at the begining)
Rename .nv_data.bak.md5 to nv_data.bin.md5 (remove the point as well)
Restart your phone and let us know.
ok ,i will copy those files from my backup efs folder in the interlan folder efs..rename it and i will process something in terminal?! or i will just reboot the phone?
Sent from my GT-N7000 using xda app-developers app
well you are stubborn, stubborness is annoying but can lead to great inventions and progress. However to save you time shiuld you fail, you will not without an efs backup be able to fix this. Imei gone is gone, no efs backup then need Samsung or cvxcvx.
Georgebucataru said:
ok ,i will copy those files from my backup efs folder in the interlan folder efs..rename it and i will process something in terminal?! or i will just reboot the phone?
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
All can be done with root explorer. Just long press the file to rename and then chose "rename" and edit the name.
Files don't have to be moved, everithing needed is inside the efs folder.
After renaming those files, just reboot the phone.
so i delete the efs folder from internal memory and i did what you said to me and nothing take a look at the pictures
Sent from my GT-N7000 using xda app-developers app
Georgebucataru said:
so i delete the efs folder from internal memory and i did what you said to me and nothing take a look at the pictures
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
where are the files from post # 12 ?
I never told you to delete anything but only to rename four files.
Know your stuck and only samsung repair center can help you sorry about that.
hey everyone well i was having some problem with my htc one root that it went away sometimes but after flashing 1.65 its fine but before that i had some backups of the cwm but i cant find them on my phone.In my s4 they are always on cwm folder and then backups but cant find on htc one.
Can someone please help me
thanks
Pretty sure they're in /data/media/clockworkmod/backup - they can't be seen by a PC so you have to use a file manager on the phone to move them to the PC-readable part of your memory
Thanks for the reply bro but i can find it.Nothing in that folder or anywhere else.Are my backups corrupt or something?
paras said:
Thanks for the reply bro but i can find it.Nothing in that folder or anywhere else.Are my backups corrupt or something?
Click to expand...
Click to collapse
Do you have root access for your file manager app? If not, you won't see the files
How do I give it root access and which file manager should I use
Sent from my HTC One using Tapatalk 4
Bro i see it now but dont know how to send them to pc please can u help me
paras said:
Bro i see it now but dont know how to send them to pc please can u help me
Click to expand...
Click to collapse
Either move them to /data/media/0/... using the root explorer on your phone, then you can see them with the PC,
or
use "adb pull" on your PC.
Tried to copy and it says operation failed.Should I move it or copy it?
Sent from my HTC One using Tapatalk 4
paras said:
Tried to copy and it says operation failed.Should I move it or copy it?
Sent from my HTC One using Tapatalk 4
Click to expand...
Click to collapse
Hi, can I suggest you create a symlink, that way both CWM recovery as well as your PC will see them; that's what I did and works fine
Follow this guide: http://forum.xda-developers.com/showthread.php?t=1991657
What is the use of EFS backup?
Sent from my iPhone using Tapatalk
The EFS holds your IMEI and other baseband-related stuff which essentially allows you to conncet to mobile networks. So if you lose your IMEI/your EFS becomes corrupt you'll find that your mobile reception won't work.
So it becomes pretty important to have a backup of it somewhere in case things go wrong (if you don't its not hard to fix, just bothersome)
Sent from my GT-I9300 using Tapatalk
How i can use this backup after installing custom rom
Sent from my iPhone using Tapatalk
swapk007 said:
How i can use this backup after installing custom rom
Click to expand...
Click to collapse
It would more wise to backup EFS before flashing a custom ROM.
tetakpatalked from Nexus 7 flo
Will custom rom change the values inside the efs folder if yes is it possible that we can retain the original efs values by using earlier backed efa folder
Sent from my iPhone using Tapatalk
swapk007 said:
Will custom rom change the values inside the efs folder if yes is it possible that we can retain the original efs values by using earlier backed efa folder
Click to expand...
Click to collapse
1. no
2. if the folder is created as image it is easier. Copy and paste often won't work.
Upgrading stepwise is the safest way to keep all fine (GB, ICS, JB/CM10.2, KK). Upgrading to 4.3/CM10.2 will resize the partitions so best way to downgrade again beyond 4.3 is to flash stock GB with PIT file and repartition with Odin.
tetakpatalked from the legendary i9000