Database Users

i lost my baseband flashin cm7 and miui :(

Ok so i lost my basebant and ime flashon between cm7 and miui, ove been truong all kinds of modems but no luck so if i odin back yo stock will i get it back?

Anyone please help?

You have your eds folder?
Sent from my SGH-T959 using XDA App

iynfynity said:
You have your eds folder?
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
What is that??

iynfynity said:
You have your eds folder?
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
*efs
Sent from my SGH-T959 using XDA App

He means efs folder. If you flashed the initial cm7 there should be a folder called backup on your SD card. Inside all your IMEI information should be there. Search the forums for more information on this problem. There are SEVERAL other users that have experienced this problem as well as resolved it.
+10char

Yes!!! I love you guys!! I found the backup efs folder, but now what do i do?

http://forum.xda-developers.com/showthread.php?t=859914
Goodluck!

Okay.. i checked out eur link but im not sure wich steps to follow because my efs is already backed up?? How do i restore my efs.....thats what i need, but the thread confises me a little lol

helikido said:
Okay.. i checked out eur link but im not sure wich steps to follow because my efs is already backed up?? How do i restore my efs.....thats what i need, but the thread confises me a little lol
Click to expand...
Click to collapse
If you look at the very bottom of the first post it's the instructions on how are you going to restore it.

If I were you Id make sure you lost your efs data.
Did you check the /efs folder to see if its empty?

Okay i tried the busybox command and it doesnot work.. i also tried thre others

Is your phone unlocked?
I have some files here which you would just put your efs folder then it will restore it for you. But i really can't remember the exact process.

I tried doing that with linda file manager but it said read only... kinda sucks cuz that would have been easy... anyways.. i have all those files on the root of my sd... i also tried modifying the code by adding /sdacard/ before /nv_data.bin to select were the file is (root of sdcard)

Don't edit anything on your original efs folder.
Ok, i have the files uploaded. But before anything please don't blame me in case whatever happens to your phone. I used this in the past because my IMEI also got screwed. It's your decision whether you're going to use it or not.
http://dl.dropbox.com/u/23360211/insert_efs_save.zip
Here's how i remember it.
1. So you there's an efs folder there and you replace that efs folder with your original efs folder. Again, your going to replaced it not put inside it.
2. You have to be rooted of course, and connect your phone while on USB debug.
3. There's a file called in insert efs folder.bat you click it and it's going to show you what to do.
4. Pray that it would work.
Again, please don't blame me. It's your phone so don't do this if you're not comfortable doing it. But hey, you've got nothing to lose.

Wait what rom are you using right now?

Im using cm7 n im gonna try that now

Try to go back to stock first if you're going to try it, back up your efs folder to your computer.

Wait stock as in jfd? And i already have my efs backed up, when i flashed the initial cm7 it backed it up... but if i go stock i can get everything back to normal by just simply doing an odin right? Cuz when i do go back to stock, i plan to just go use simply honey hkney instead...

helikido said:
Wait stock as in jfd? And i already have my efs backed up, when i flashed the initial cm7 it backed it up... but if i go stock i can get everything back to normal by just simply doing an odin right? Cuz when i do go back to stock, i plan to just go use simply honey hkney instead...
Click to expand...
Click to collapse
Odin plus JFD + the right pit file also check the re-partition. Then root and restore your efs.

No voice but radio otherwise works!?

I got the OTA ICS update back in December. Since then my SNS has not allowed any voice traffic. Data, both 2G and 3G (including HSDPA) works fine as does WiFi. When I try to make a call it just beeps and says "Call ended". When I try and call the handset I get a message saying "calls are not currently being connected to this number". I've therefore been using my Atrix (with the same SIM) until Google sorted this out but decided to have another go at fixing it.
I therefore unlocked it, installed CW recovery and tried a CW nightly build, with the same result. I then decided to go back to stock 2.3.6 but get the same problem!!!
I've tried a different SIM. I do a factory wipe and cache wipe before each install.
This is driving me up the wall. Does anyone know what I'm doing wrong?
I'm on t-mobile UK, using a SIM unlocked I9020T. I've had a search but can't find anyone with the same problem - apologies if I've missed a relevant post.

Have you checked you vpn settings are correct?
Sent from my ARCHOS 80G9 using XDA Premium HD app

DarkhShadow said:
Have you checked you vpn settings are correct?
Click to expand...
Click to collapse
Thanks for the response.
Do you mean APN?
If so, yes, I have checked and they are correct. I don't think incorrect APN would affect voice though. Wouldn't it be data and MMS that were affected?

Which radio do you currently have? Have you tested any other radio for your device?

Oogway13 said:
Which radio do you currently have? Have you tested any other radio for your device?
Click to expand...
Click to collapse
I've tried a few radios....... however I think I've sussed it:
The IMEI has somehow changed! The IMEI reported in 'About phone' is different to the number printed on the back of the phone. I'm guessing it happened when I flashed the first OTA ICS. How would that change the IMEI?
I might add that it's a legit handset, bought new by me from Carphonewarehouse.
Any ideas how I get it back to the correct IMEI?

Cowie said:
I've tried a few radios....... however I think I've sussed it:
The IMEI has somehow changed! The IMEI reported in 'About phone' is different to the number printed on the back of the phone. I'm guessing it happened when I flashed the first OTA ICS. How would that change the IMEI?
I might add that it's a legit handset, bought new by me from Carphonewarehouse.
Any ideas how I get it back to the correct IMEI?
Click to expand...
Click to collapse
You EFS has corrupted, this can happen by flashing ANYTHING
There's a few ways to possibly restore it with no backup but I don't have links, just try searching forums
Sent from my ARCHOS 80G9 using XDA Premium HD app

http://forum.xda-developers.com/showthread.php?t=1523756
That thread is when my efs corrupted, maybe try something there, also once it works make a .img backup with the commands posted
Sent from my ice cream powered Nexus S

Thanks for the info DarkhShadow. I've read through the posts but think I'll wait until tomorrow to give it a go. I'm knackered and likely to make a mess of things.
I've got an old .nv_data.bak together with an old nv_data.bak.md5 in my /efs but that's about it.

Cowie said:
Thanks for the info DarkhShadow. I've read through the posts but think I'll wait until tomorrow to give it a go. I'm knackered and likely to make a mess of things.
I've got an old .nv_data.bak together with an old nv_data.bak.md5 in my /efs but that's about it.
Click to expand...
Click to collapse
Copy them to a safe place and then delete /efs and reboot, it will remake some files you can "possibly" use
Sent from my ice cream powered Nexus S

Really struggling with this.
The NS is rooted using CW recovery and I've run su-version#-signed.zip. All seems to go well - no errors. When I come to try to back up /efs (using adb pull) it is apparent that I don't have su. Obviously when I then try to back up I get a permission error (thought it was worth trying anyway).
I've gone through the rooting and su process three times now in case I'm missing something. I'm using the stock 2.3.6 and I'm slowly losing the will to live.
Any help would be much appreciated.
EDIT - I've managed to use Root Explorer to get su, then mount the drive as r/w before renaming /efs and rebooting. The IMEI is now correct but the damn thing still doesn't allow voice.

Backup IMEI Nexus 4

So on my Nexus s, i had a nightmare and i lost my imei number, had to get the phone replaced, once i got it back i made sure backed up my imei foldr "efs" everywhere, just wondering is it the same folder for the nexus 4?

italia0101 said:
So on my Nexus s, i had a nightmare and i lost my imei number, had to get the phone replaced, once i got it back i made sure backed up my imei foldr "efs" everywhere, just wondering is it the same folder for the nexus 4?
Click to expand...
Click to collapse
yeah

this is no samsung device, so no, your imei won't get lost!
Sent from my Nexus 4 through Tapatalk

P0MM3S said:
this is no samsung device, so no, your imei won't get lost!
Sent from my Nexus 4 through Tapatalk
Click to expand...
Click to collapse
I had the same on my SGS2 - so are we saying we don't need to worry about this on non-Samsung devices?

No you don't, it's just Samsung who think putting something important in an unprotected area of the filesystem is a good idea.

ah really brilliant, 100% sure?

italia0101 said:
ah really brilliant, 100% sure?
Click to expand...
Click to collapse
it's a 100% samsung related problem, no other phone has it
Sent from my Nexus 4 through Tapatalk

Although it's nice to hear that loss of your imei is not possible on non-Samsung phones, it doesn't explain how the OP lost his. Obviously, became corrupted.
If backing-up /efs (imei) can be done harmlessly, would it not be a good idea to do so? Has anyone attempted to backup their efs on the Nexus 4?
Sent from my Nexus 4 using xda premium

There is no /efs
Like had already been said, that's a Samsung thing. Anyway, the OP hadn't said he lost his IMEI, just he wanted to make sure he couldn't.

Rusty! said:
No you don't, it's just Samsung who think putting something important in an unprotected area of the filesystem is a good idea.
Click to expand...
Click to collapse
I'm still laughing with this comment.

Dr Zoidberg said:
Although it's nice to hear that loss of your imei is not possible on non-Samsung phones, it doesn't explain how the OP lost his. Obviously, became corrupted.
Click to expand...
Click to collapse
Please read carefully. The OP mentions he lost the IMEI on his Nexus S (Samsung device) and not Nexus 4.

Lost IMEI on Samsungs is very easy to fix. I've not heard of a Samsung having a permanently lost IMEI, it was always a case of reflashing the stock firmware and taking a new efs backup.
Also, losing your IMEI is usually caused by poorly designed ROMs, good ones usually back it up for you beforehand, but even better ones don't lose it. You can't really blame Samsung, they aren't the ones flashing a custom ROM are they? I bet nobody ever lost their IMEI from a Samsung OTA.

skezza said:
Lost IMEI on Samsungs is very easy to fix. I've not heard of a Samsung having a permanently lost IMEI, it was always a case of reflashing the stock firmware and taking a new efs backup.
Also, losing your IMEI is usually caused by poorly designed ROMs, good ones usually back it up for you beforehand, but even better ones don't lose it. You can't really blame Samsung, they aren't the ones flashing a custom ROM are they? I bet nobody ever lost their IMEI from a Samsung OTA.
Click to expand...
Click to collapse
Its not easy to fix then you don't have an efs backup ... Believe me . it was straight up gone and needed hardware replacement
Sent from my Nexus 4 using Tapatalk 2

CMW recovery started backing up the /efs folder just to be safe on Samsungs, so it shouldn't be a problem these days anyway.

Yes, there were a few (poorly designed) roms on the nexus s that over wrote /efs and those who were "efs-****ed" couldn't do anything about it. For the galaxy nexus however, there is a way to recover lost /efs data, as found by devs on xda. Still a design flaw on samsung's part though, imo. But you need not worry about this on your nexus 4.

italia0101 said:
Its not easy to fix then you don't have an efs backup ... Believe me . it was straight up gone and needed hardware replacement
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
Actually I just lost my note 2 efs file 2 hours ago and I dint have any efs backup. I just downloaded stock firmware and flash via Odin. Factory reset and voila its alive again. Actually I thought I need to get to service center tomorrow but thank god Odin worked lol

mr_trisx said:
Actually I just lost my note 2 efs file 2 hours ago and I dint have any efs backup. I just downloaded stock firmware and flash via Odin. Factory reset and voila its alive again. Actually I thought I need to get to service center tomorrow but thank god Odin worked lol
Click to expand...
Click to collapse
no offence, but if it was that easy dont ya think i would have done that ? i tried literally everything.. it was a design law on the Nexus s. once it was gone, it was gone. no reflashing did anything.. they had to replace the hardware to get it working again
but anyway. glad it cant happen on my N4

im having a big problem with my new nexus 4.
rooted. running factory stock.
when i tried to install a custom rom , the radio of the phone stopped working i get no service anymore wi-fi is stuck on ''turning on''
tried restoring my back up rom even reinstalling the factory rom but nothing worked.i read different forums related to that problem but got no answer. seems my EFS is corrupted. when i go in settings about phone status . i dont see my emei ,my phone number, my carrier, nothing.
please help!!

joggz16 said:
im having a big problem with my new nexus 4.
rooted. running factory stock.
when i tried to install a custom rom , the radio of the phone stopped working i get no service anymore wi-fi is stuck on ''turning on''
tried restoring my back up rom even reinstalling the factory rom but nothing worked.i read different forums related to that problem but got no answer. seems my EFS is corrupted. when i go in settings about phone status . i dont see my emei ,my phone number, my carrier, nothing.
please help!!
Click to expand...
Click to collapse
sounds to me like you need to have it replaced. despite what others have said there is an efs partition on this device and it can be corrupted. :highfive:

joggz16 said:
im having a big problem with my new nexus 4.
rooted. running factory stock.
when i tried to install a custom rom , the radio of the phone stopped working i get no service anymore wi-fi is stuck on ''turning on''
tried restoring my back up rom even reinstalling the factory rom but nothing worked.i read different forums related to that problem but got no answer. seems my EFS is corrupted. when i go in settings about phone status . i dont see my emei ,my phone number, my carrier, nothing.
please help!!
Click to expand...
Click to collapse
You just have to flash the stock android on your nexus 4 and it will work perfectly.
Sent from my Nexus 4 using xda premium

[Q]Mobile network stopped working after Installing Custom Recovery!!! Urgent!!!

Hi Guys!!
This is emergency!! I was trying to install recovery . I was successful in flashing recovery through the Nexus 4 Toolkit. After a while non of the networks are connecting. Wifi dosen't even startup, no mobile network! Please HELP!!
Thanks

In settings, does it display an imei number or is it 0's/garbage?

Maybe you need to input your apn settings for your carrier again? I know one of the tool kits I used had an option to backup apn settings probably for this exact reason. Try rebooting your phone also.

champ1919 said:
In settings, does it display an imei number or is it 0's/garbage?
Click to expand...
Click to collapse
It says unknown

SysAdmNj said:
Maybe you need to input your apn settings for your carrier again? I know one of the tool kits I used had an option to backup apn settings probably for this exact reason. Try rebooting your phone also.
Click to expand...
Click to collapse
I tried rebooting nothing works...I also tried master reset the phone.. Still no luck!

Did you make a backup of your efs folder? Or any backups? What you have is a missing imei number.

Ship it to me and I'll fix it for you.
Did you try flash the AOSP image from Google's website?

champ1919 said:
Did you make a backup of your efs folder? Or any backups? What you have is a missing imei number.
Click to expand...
Click to collapse
Unfortunately i did not make any backup am i messed up ??

asawoszc said:
Ship it to me and I'll fix it for you.
Did you try flash the AOSP image from Google's website?
Click to expand...
Click to collapse
Ah man!! Can you guide me to that link ??

Another weird thing, when i connect my phone in MTP mode the internal storage is completely empty!! what is happening ??? Please help guys!!

Download a toolkit, reflash stock system image. If you've got stuff on your SD back it up on the Toolkit, the flash and you're back to stock again
Sent from my Nexus 4 using xda app-developers app

will444 said:
Download a toolkit, reflash stock system image. If you've got stuff on your SD back it up on the Toolkit, the flash and you're back to stock again
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Can you please provide me the link for the stock system image ? Thanks

http://forum.xda-developers.com/showthread.php?p=34552123
All the info and resources you need are there.
Sent from my Nexus 4

What you did and don't realize is that you had to unlock the bootloader to root and install a custom recovery and by doing that you wiped your phones data, all of it. Unlocking the bootloader puts the phone back into the state when you first received it and it has to be setup all over again.
Flashing the stock image will also take you back to a state where the phone was when you first received it and you will have to set it up again.
I'm not absolutely sure you need to do that or just set the phone up again like you did when you first got it. If you can't get it working again then reflash the stock image and restart from there. To do it with the toolkit you have to download it manually then place it into the folder in the toolkit directory for flashing files. The toolkit should have instructions on how to do this.
Unfortunately at this point anything you had stored on the phone is gone for good.

El Daddy said:
http://forum.xda-developers.com/showthread.php?p=34552123
All the info and resources you need are there.
Sent from my Nexus 4
Click to expand...
Click to collapse
Thanks mate!! Giving it a try!!

kzoodroid said:
What you did and don't realize is that you had to unlock the bootloader to root and install a custom recovery and by doing that you wiped your phones data, all of it. Unlocking the bootloader puts the phone back into the state when you first received it and it has to be setup all over again.
Flashing the stock image will also take you back to a state where the phone was when you first received it and you will have to set it up again.
I'm not absolutely sure you need to do that or just set the phone up again like you did when you first got it. If you can't get it working again then reflash the stock image and restart from there.
Unfortunately at this point anything you had stored on the phone is gone for good.
Click to expand...
Click to collapse
Dude i had already unlocked the boot loader. Now i am in the Start screen and the Lock Status Says : Unlocked. Luckily my Nexus is jus 1 day old and am yet to load stuff! So not much to bother about loosing data on the storage. I am downloading this : Factory Images "occam" for Nexus 4 - https://developers.google.com/android/nexus/images i hope it is correct!! Thanks
Edit:
Re flashing the factory image fixed my problem. Thanks a lot guys.

I think it's BRICKED this time!

Ok, I was on a custom ROM for LS980 and all of a sudden it rebooted and I had no control of anything. There was no service either.
So first thing I did was a reboot. no good. Then I went booted into TWRP and restored my last backup, thought this would surely fix it but nothing. Still booted but had no functionality, plus now it started to go into a boot loop. Tried recovering different versions and no luck.
Then, I decided to use the Flash Tool recovery method. It worked in the sense that there was no longer a boot loop, but I still had no service and could not use a lot of the functions like updating PRL/PROFILE and few of the apps would not launch like the quick remote, it would say "SIM not ready"
I'm pretty much out of ideas at this point as I only have the flash tool option and since I lost recovery.
Is this considered BRICKED or does anyone have an idea? thanks

centro714 said:
Ok, I was on a custom ROM for LS980 and all of a sudden it rebooted and I had no control of anything. There was no service either.
So first thing I did was a reboot. no good. Then I went booted into TWRP and restored my last backup, thought this would surely fix it but nothing. Still booted but had no functionality, plus now it started to go into a boot loop. Tried recovering different versions and no luck.
Then, I decided to use the Flash Tool recovery method. It worked in the sense that there was no longer a boot loop, but I still had no service and could not use a lot of the functions like updating PRL/PROFILE and few of the apps would not launch like the quick remote, it would say "SIM not ready"
I'm pretty much out of ideas at this point as I only have the flash tool option and since I lost recovery.
Is this considered BRICKED or does anyone have an idea? thanks
Click to expand...
Click to collapse
If you are still able to enter in the ROM it's not Bricked....
Put the phone in Fastboot and flash a recovery via Fastboot commands.
Then you can wipe everything (except internal) and flash a new ROM.

I've never fastbooted before. Is there a quick tutorial link for this?
Sent from my SPH-D710 using XDA Free mobile app

There is no normal fastboot mode as on other phones. Best thing i think try to go back to stock via kdz/tot method and reinstall root and recovery
Sent from my LG-D802 using XDA Premium 4 mobile app

basti2909 said:
There is no normal fastboot mode as on other phones. Best thing i think try to go back to stock via kdz/tot method and reinstall root and recovery
Sent from my LG-D802 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
So I tried the flash tool again using different TOT files. ZV8 and ZVA files caused boot loops. The only file that almost worked was the ZVC file. By almost I mean, there's no boot loop, and i'm able to use the stock ROM however certain things don't work, like when launching the quick remote app, it says "SIM not ready", or stock video cannot play "Unsupported file type" error, and most importantly I'm not able to get any service.
The good part is, my wifi is working. So next I tried to root, however I get this a "unable to open /system/xbin/su: no such file or directory" (i'm attaching the photo for reference).
Thanks for any other tips of directions.

remove sim card and reinsert try that. Not working.
also check your imei. If its not there you may need to recover it from a twrp backup, (recover the efs that is) at least from the time you had no issues. Not working?
Also I read nothing about wiping. (wipe everything except internal sd) before performing a clean instal. Check for same issues, not there victory.
be carefull with full backups, they might contain the issue you are experiencing.

bachera said:
remove sim card and reinsert try that. Not working.
also check your imei. If its not there you may need to recover it from a twrp backup, (recover the efs that is) at least from the time you had no issues. Not working?
Also I read nothing about wiping. (wipe everything except internal sd) before performing a clean instal. Check for same issues, not there victory.
be carefull with full backups, they might contain the issue you are experiencing.
Click to expand...
Click to collapse
this is a ls980 so I can't remove the Back cover unless there's a way I don't know.
Also, I lost twrp recovery when I used the flash tool and tot method. Now, i'm trying to root and get recovery back but can't even root.
Sent from my SPH-D710 using XDA Free mobile app

I am not very familiar with your model. But on the d802 there is a small slot on the side of the phone with a small hole. With the phone in box was a small metal device which you could poke in hole and the slot would open. Maybe other user could confirm.
Did you backup your twrp backup of the phone? Then now is also the time to put it back if the tot method deleted it.
Anyway did you check your imei, (dial *#06#, it should show your imei). usually when service is lost there is something wrong with imei, or simcard.
imei can be recovered by the efs backup in a twrp backup. Simcard via putting out back in, reboot, etc.

bachera said:
I am not very familiar with your model. But on the d802 there is a small slot on the side of the phone with a small hole. With the phone in box was a small metal device which you could poke in hole and the slot would open. Maybe other user could confirm.
Did you backup your twrp backup of the phone? Then now is also the time to put it back if the tot method deleted it.
Anyway did you check your imei, (dial *#06#, it should show your imei). usually when service is lost there is something wrong with imei, or simcard.
imei can be recovered by the efs backup in a twrp backup. Simcard via putting out back in, reboot, etc.
Click to expand...
Click to collapse
Thanks for all your help! sounds like its definitely a imei and Sim related issue.
I don't have any backups but I can get to the factory recovery which has an adb side load option. Do you think I can side load a stock ROM this way? If so, what type of file do I use?
Sent from my SPH-D710 using XDA Free mobile app

centro714 said:
Thanks for all your help! sounds like its definitely a imei and Sim related issue.
I don't have any backups but I can get to the factory recovery which has an adb side load option. Do you think I can side load a stock ROM this way? If so, what type of file do I use?
Sent from my SPH-D710 using XDA Free mobile app
Click to expand...
Click to collapse
you can go to download mode and flash a stock rom, but that wont help get you imei back sir if thats whats gone cant help you with that without a backup. Even though there are guides somewhere

bachera said:
you can go to download mode and flash a stock rom, but that wont help get you imei back sir if thats whats gone cant help you with that without a backup. Even though there are guides somewhere
Click to expand...
Click to collapse
Yup, that's what I figured after numerous flash tool and tot files.
I found this link that sounds suspiciously like what i'm facing:
http://www.droidviews.com/how-to-backup-and-restore-lost-imei-on-lg-g2/
Itching to get home and try it.
Sent from my SPH-D710 using XDA Free mobile app

Can't get the software to recognize that the phone is connected via USB even though I reinstalled drivers and restarted.
I'm pretty much stuck.
Since I have no imei does this also mean it's a bad esn?
Sent from my SPH-D710 using XDA Free mobile app

With no imei.. It's confirmed gone.

Lim Wee Huat said:
With no imei.. It's confirmed gone.
Click to expand...
Click to collapse
Damn. now I have a small lg tablet:banghead:
Sent from my SPH-D710 using XDA Free mobile app

Found this, it may help. I haven't tried it, so it's up to you....
http://www.droidviews.com/how-to-backup-and-restore-lost-imei-on-lg-g2/

matt_tee said:
Found this, it may help. I haven't tried it, so it's up to you....
http://www.droidviews.com/how-to-backup-and-restore-lost-imei-on-lg-g2/
Click to expand...
Click to collapse
Yea tried this but stuck on step 8 like one of the commenters.
Anyone else have last ideas before this phone goes on the auction block?
Sent from my SPH-D710 using XDA Free mobile app

centro714 said:
this is a ls980 so I can't remove the Back cover unless there's a way I don't know.
Also, I lost twrp recovery when I used the flash tool and tot method. Now, i'm trying to root and get recovery back but can't even root.
Sent from my SPH-D710 using XDA Free mobile app
Click to expand...
Click to collapse
uy can remove sim, on left side there is a tray just use any sim removal & bingo.
I wonder how can people use a phone & dont even know that they can remove sim... lol

RohanM said:
uy can remove sim, on left side there is a tray just use any sim removal & bingo.
I wonder how can people use a phone & dont even know that they can remove sim... lol
Click to expand...
Click to collapse
So I removed Sim and reinserted it and still no imei. At least I know there's a Sim card access.
Sent from my SPH-D710 using XDA Free mobile app

Well if you got no imei and no backup, you can't fix it home.
Sent from my GT-I9300 using XDA Premium 4 mobile app