yashsingh1/xdaforums huggingface dataset:
[Galaxy S III General] RootJunkie:
Hello mate,

Thanks for the reply.

The build is on XELLA and the baseband is on XXFLB. The IMEI is not the same as the one displayed at the back cover. That back cover begins with 353163....... and the software IMEI starts with 3519............so they are definitely different.

We've used O2 and T-Mobile sims, both have had the same issue. Also, I'm not sure if the problems are related but it also has an "insufficient storage" displayed after every boot and remains on the dropdown menu, it affects playstore updates.

This isn't the case, so I'm assuming there would be no need to do any backups. Yes, I checked up that baseband and I read some of your general sticky thread to gain a bit more knowledge.

The IMEI is not correct.

I already downloaded the XELLA ROM thinking that if I flashed via Odin it would hopefully have the stock baseband and then restore normalcy. Will this restore the IMEI as well? I'm not sure whether the IMEI is like this because of some unlocking reason, or for another 'unfortunate' reason. In any case, we don't want to have lost money on it.

Asides from this, I have a Samsung Galaxy Mini II (s6500) that needs a replacement sim reader. If you can solder that I'd rather bring some business to you, especially now that I've come to know of your online endeavours on this forum. It's nice to know that someone from the local area is offering a global service. All the best.
[Galaxy S III General] danarama:
If the imei doesn't match the label but it is also not generic, it could mean in the past, someone replaced the motherboard possibly cannibalised from another s3.

I'd probably take it to a professional at this point to ask advice

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[Galaxy S III General] RootJunkie:
Are you referring to the ROM not being generic? If so, it could be that there were many custom ROMS were installed before this stock that were flashed which may have replaced the EFS folder. I'm not sure if I've mentioned this before, but it worked perfectly fine for a few months at the very least before this problem became a regular occurrence.

What would happen if I flashed the latest stock ROM via Odin? Would that not be worth a try? I just want to avoid it being bricked. but would like to experiment to find a solution within framework as it were.
[Galaxy S III General] danarama:
No. The IMEI is not generic. A generic IMEI starts 00. This thread is about Generic IMEI's and corrupt EFS, both of which you don't have. Your issue may or may not be related to the fact your IMEI doesn't match what is on the sticker. I cannot say. This is why you need professional advice. Why does your IMEI not match? Is it because it has the motherboard from another device? Perhaps... I cannot say.

To do what? I don't know what the problem is so I cannot advise a fix. I can say your ROM and baseband are ancient and in that respect, you should update to the latest after making multiple backups of your EFS. You still need to address the bigger issue. Whose is that IMEI?...
[Galaxy S III General] ag43:
Which modems are those? I've looked everywhere for a list of efs v2 supported modems and couldn't find any.
[Galaxy S III General] ntengee:
owned etMonic

Hi folks! First post at xda-dev:

I flashed to a cm-10.2-20130727-UNOFFICIAL-i9300 (MG4, android 4.3) ROM unknowing about the whole EFS v2 issue. Since then I cannot connect to my network Swedish network. I have tried reverting to the stock ROM (android 4.1.2 and baseband I9300XXEMG4) which I am currently using. Of course this did not help as I am stuck with EFS v2 now. Unfortunately I don't think I have backup of the old EFS v1. Checking my IMEI I still have the correct number matching my sticker. I also tried the Ariza patch without any result.

As I have understood, I should be able to use ROMs with newer modems supporting the EFS v2 format? Can anyone point me to such a ROM that can work with my Swedish network?
[Galaxy S III General] mariozawa:
I just want to clear this on my mind

If I have no backUp of my EFS folder the only solution to fix my network is to send my Device to service center?

I also tried flashing stock firmware via ODIN and still no network but I can register to network its only say The Network is currently unAvailable.

Thanks man:good:
[Galaxy S III General] JJEgan:
Yes no EFS service repair .

The Network is currently unAvailable>>> what does the network say ??
[Galaxy S III General] danarama:
There is a zip in post 1 with EFS v2 baseband

Its not about ROM, it's about basebands. Please read post 1 of this thread.

or use an EFS v2 baseband.
[Galaxy S III General] cocous:
Hi all. I want to ask one question please. The ktool from market is reliable to restore efs?

Στάλθηκε από το GT-I9300 μου χρησιμοποιώντας Tapatalk 2
[Galaxy S III General] danarama:
Its ok. Dont let it be your only backup

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[Galaxy S III General] cocous:
Thanks

Στάλθηκε από το GT-I9300 μου χρησιμοποιώντας Tapatalk 2
[Galaxy S III General] ntengee:
I tried all the 3 different modems in zip file with the EFS v2 basebands, but still no network (only emergency calls) =(
[Galaxy S III General] RootJunkie:
I want to flash a new ROM to possibly fix the signal issues. Won't the baseband be updated with the latest stock ROM? If it does, it should work. If it detects the original IMEI, it'd be a bigger bonus.

I think because the baseband version is old, there may have been a recent change at the provider's side that's affecting the signal.
[Galaxy S III General] danarama:
Then EFS v2 is not your issue.
[Galaxy S III General] danarama:
Yes. But backup EFS first. Multiple times.
[Galaxy S III General] patrikmuse:
hi, strange problem, i have 2 backup 1 with v1 efs and one with v2, i wanna use a v1 modem (buemc2) so i flash v1 partition and modem work well and my imei is ok, but every reboot efs partition return v2 and no signal and corrupt imei.... with a v2 modem i dont have this problem, im on cm 10.2 4.3.1, plz help...
[Galaxy S III General] RootJunkie:
Thanks. I'll do that.

Next time I pass Riddlesden, I'll know there's a cool Android expert living nearby.
[Galaxy S III General] danarama:
Are you just flashing baseband? You may need to flash RIL too

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[Galaxy S III General] danarama:
Wouldn't call my self an expert but I'm definitely cool ;)

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[Galaxy S III General] patrikmuse:
Im on CM 10.2 i have theyr open source ril.... is like every reboot my efs partition is upgraded to v2, so i have to flash back efs v1 backup and all is ok until next reboot, if i stay on a v2 modem like emg4 no problem -.- someone can help me?
[Galaxy S III General] danarama:
Maybe try delete EFS content then restore EFS....

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[Galaxy S III General] speedracer1979:
Hallo guys a got question, just got mine phone back from the samsung repair center after a corrupt efs

a got the phone back with a stock jelly bean 4.1.2 buildnr i9300xxemh1 and the modem ceemg2 (this is the efs v2 to be sure:confused:)

so now mine question is what can a flash, do a have to stay with 4.1.2 or newer or can a also downgrade to 4.1.1 with the newer modems

but does the newer modems also work with 4.1.1??

another one is if a flash a rom later then 4.1.2 for example 4.3 CM with the newest official stock rom xxemh1 and with the new efs modem ( ceemg2 holland) a dont loss my efs right?? and for example a downgrade back to official 4.1.2 with the new modem ceemg2 a also don t loss my efs?? Thx for the help guys:fingers-crossed:
[Galaxy S III General] danarama:
You have to stay with EFS v2 modems which are also compatible with EFS v1.

4.1.2 / 4.1.1 is nothing to do with anything, which is why it's not mentioned in post 1

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[Galaxy S III General] ab321:
I9300 galaxy s3 international

I had omega v49 then isntalled Android_Revolution_HD-SGS3_32.0 and I got the "not registered on network" , then I tried to restore my esf using "Ktool" it did restart my phone suddenly and then it was stuck at samsung logo

tried to install many roms still stuck at samsung logo

tried to delete efs folder and copy an old backup folder there .. it do copy it but it then say "cannot mount /efs" and then nothing still same problem

and I have the awful eMMC so what should I do?

what ics rom to install? I am gonna risk it if it is the only option

-----

edit:

I will try this I9300XXALF2_I9300ODDALF1_INU and see till I get a reply

--------------

I installed I9300XXALF2_I9300ODDALF1_INU then phone could load again and finally saw the home page again .. restarted and re-install android revolution 32. However, it says that still can't mount efs .. when I try to load the same problem again .. stuck at Samsung logo.

ok now it is solved ..

just after installing that 4.0.4 rom I rooted first then

installed ktool

and used it to restore

easy as ***k

now I am going back to android revolution.
[Galaxy S III General] Haano:
Im having problems also.

Trouble is, I am using MG4 Modam on the Ultima v15 rom.

My IMEI number seems to be fine and so is my serial number.

Though my sim card will not register on my network.

I have used the sim on another phone and it works perfectly fine. Just does not register on my s3.

I just reflashed Ultima Rom V15 and chose Boeffla Kernel, as you said, though i am still getting the issue.

Any one know a possible solution?

Fixed: Restored an EFS backup using Root Explorer, restarted phone and network back to normal.

I guess what happened is that installing roms must have corrupted something, though the device did not say what had been corrupted.
[Galaxy S III General] yowpatet:
for those of you who decided to go for option 3 "send the device for repair". Based on my experience and from this post http://xdaforums.com/showthread.php?p=45328949 some authorize samsung service centers wont fix the issue. What i did is look for other cellphone repair shop and they were able to fix it. They used the box called octopus. If they hasppen to use the z3x box it might fix the IMEI but your serial number might be lost but then the serial number can also be fixed by octopus box luckily i had mine on a screenshot. :D
[Galaxy S III General] JJEgan:
As the OP actually says .

A couple of notes on this. Firstly, "Send for repair" does not necessarily mean you must return it to Samsung / Your carrier. It is simply a phrase

Most repair shops in the UK will fix circa £25 .
[Galaxy S III General] Mord0rr:
Hi!

I at this point did use 2 methods:

- Enter Touch Wiz and did a backup of the EFS ( Im using Omega 4.2.2.)

- Copy full past EFS to SD External.

At this point im i secure in terms of future problems?

Thanks!
[Galaxy S III General] danarama:
You can never have too many backups.

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[Galaxy S III General] bel3atar:
null/null

When I do a *#06# I get null/null. What does this mean?

The phone doesn't recognise the SIM card either.
[Galaxy S III General] danarama:
What does it say in settings > about phone

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[Galaxy S III General] eire230:
imei 00049...

How can I fix this? My serial number is the right number for my phone... it has the 00049 imei in dialer code and settings...I recently flashed ultimarom and that's when the problems started.

Thanks in advance
[Galaxy S III General] JJEgan:
The first post in this thread read ref 0049 ref ultima rom etc etc
[Galaxy S III General] lgp500fanboi:
I have a backup of my efs

I have tried restoring my efs when i have used lots of different modems but still emergency calls only. and in the dialer it says imei is not supported. it only works with ariza. GT-i9300. I need help
[Galaxy S III General] eire230:
I was on v15 so I'm not sure what to do

sorry for my noobness
[Galaxy S III General] aminroslan:
Hello, i fell into the pit of sadness a week ago and managed to get out of it 2 days ago.

Tried everything... Ariza, flashing modem/ril/modem+ril, got my phone bricked unbricked. Installed numerous applications like ktool and tried hexing my imei number . flashed 3 different stock roms and finally stayed with the latest 4.1.2 rom from bosnia with a xxemg4 baseband. On stock i was fine but i wanted to flash a custom rom and everytime i do i get no service ALTHOUGH my imei and sn is in correct order.

Not long by then i kamikaze-d my way in by changing nv_data.bin and nv_data.bin.md5 with .nv_data.bak and .nv_data.bak.md5 by renaming them to the original nv_data. After that i reboot and all i could hope is a miracle to happen.

Thankfully , im no longer in "no service" state in a custom rom. Should have known....
[Galaxy S III General] txt3rob:
I need help I flashed s4 revolution and my phone ended up in factory mode so restored it to latest three uk rom and now I have the 004 imei and can not make a call etc. I have no Efs back up tried plenty of suggestions I.e remove the Efs folder etc and no joy.

Any one got any ideas?
[Galaxy S III General] danarama:
Would need to know EXACTLY what you tried in post 1. But there isn't really anything other than what is in Post 1 so really the hope is that you missed something

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[Galaxy S III General] danarama:
Gah. DON'T use ariza patch if you don't know what it is. NOTHING to do with imei. Too many people flash things without reading. Its this reason I created this thread but I'm often reminded my efforts are generally in vein.

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[Galaxy S III General] txt3rob:
I've tried all sorts might have to stock it and send to Samsung to see what's what.
[Galaxy S III General] aminroslan:
Flash the latest stock rom. (As i remember, from bosnia and something.. Its baseband is xemg4. Then factory reset and wipe cache from recovery. Tell me how your network is by then. Ive been through what you feel now.
[Galaxy S III General] txt3rob:
YOU LEGEND IT HAS WORKED!!!!

time to make a backup of the EFS.
[Galaxy S III General] aminroslan:
Youre welcome! Make a backup of your efs folder. Lets say if you still get no service after flashing a custom rom, refer to http://xdaforums.com/showthread.php?p=46832732 (post #665) my post.
[Galaxy S III General] dkionline:
[MENTION=2872010]rootSU[/MENTION], i have tested the latest MJ1 modem. On bases mg4 and mh1 it wont work, network and emergency where blocked. On other bases like mh4/5 i can switch modems without problems. I readed in first post about dualbaseband, so there will be easy to downgrade without backup. This system is a little stupid for me.

[tapatalk]printed, scanned and faxed...[/tapatalk]
[Galaxy S III General] danarama:
I don't know anything about mj* yet

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[Galaxy S III General] avicohh:
Today I had very strange case .

Some galaxy 3 came to me, device that has been locked to europe by region lock, and alerdy unlocked by one of the boxes.

After ota update to MG4 Is locked again.

The device originally came with the MC2 version , and got ota update to MG4 .

Since all unlock methods do not work on the new modems ( MG2/MG4/MH1 ), It turns out that if the device gets update to these versions (after is unlocked in the past) is locked again. apparently these modems are not affected by the unlock.

Of course it is not possible to go back because the EFS V2 format , so that in such cases the only way to make the phone work again is:

Downgrade to old EFS format.

Repair the imei with one of the boxex. (I have z3x and octopus)

The strange thing is, taht this particular device after downgrade to old version, has not lost the imei and he work fine as before the update.

The IMEI and SN Remained as before and everything works fine.

At first I thought maybe ota update does not update the EFS אם V2, so i tried the following steps:

Flash MG4 modem by odin - phone locked again.

Flash MA1 modem - phone worked again.

Flash full MG4 firmware (Germany) - phone locked again.

Flash full MA2/MC2/LL4 firmwares - imei and sn remained the same and it is al working.

Can someone explain this to me?
[Galaxy S III General] dkionline:
How you see that the phone is locked?

[tapatalk]printed, scanned and faxed...[/tapatalk]
[Galaxy S III General] avicohh:
Here is a photo of the lock.

And here some details about the hw/sw version.
[Galaxy S III General] dkionline:
Ahh, i never saw that on my phone, have only newest FW's. What if you freeze service mode? On a custom rom is that easy to delete all no needed apps.

Whats your carrier? When did you buyed it?

[tapatalk]printed, scanned and faxed...[/tapatalk]
[Galaxy S III General] avicohh:
You can't unlock phone by freeze apps or something like that.

I did not bought the phone, i'm working in some importer in israel. these phones belonging to the customers.

anyway i checked 2 more phones from the same stock.

The same story, these phones able to upgrade/downgrade modem without loosing the imei.

I guess the efs changed to V2 only if the phone is unlocked or maybe it depent on hw version or something else.
[Galaxy S III General] dkionline:
Aha ok nice, thats a netlock from israelish provider, you can only use that with the provider specific simcard. I think its that problem.

[tapatalk]printed, scanned and faxed...[/tapatalk]
[Galaxy S III General] avicohh:
To be exact, every european sim will work.

The thing is that the phone alerdy unlocked and working fine, but only in the old firmwares.
[Galaxy S III General] dkionline:
A sim from what destination have you tested? Than its the regiolock, on newest S3 releases.

[tapatalk]printed, scanned and faxed...[/tapatalk]
[Galaxy S III General] avicohh:
From here in israel.
[Galaxy S III General] DavidX_07:
I got strange issue - maybe (i can't remember which modem I had before flash) I update EFS v1 to v2, and now phone see SIM but showing "emergency call only". IMEI, seral numer, and baseband version are OK!

What to do ? :(
[Galaxy S III General] danarama:
Did you try full wipe? What modem / ROM are you on now?
[Galaxy S III General] DavidX_07:
Yeah of course, I did full wipe twice.

I bought S3 yesterday and it was running some stock rooted only Sammy ROM. I put Imperium ROM (4.2 with XXUFME7) and then this issue has happen. So I did full wipe and flash again, but no help, so I put ArchiDroid CM10.2 rom with MG4 modem, but also not help.
[Galaxy S III General] aminroslan:
Restore nv_data.bin and nv_data.bin.md5 with the .baks using root browser.
[Galaxy S III General] DavidX_07:
Where can I get them ?
[Galaxy S III General] aminroslan:
Refer to my post : http://xdaforums.com/showthread.php?p=46832732
[Galaxy S III General] DavidX_07:
Thanks for way to check but not help :( I change .bak to .bin and rebooted - nothing. I change also nv_core.bak and md5 to .bin and I saw that now I have two nv_data.bin/md5 files so delete one pair of them > rebooted > nothing change :( :(
[Galaxy S III General] aminroslan:
Did you make a copy of the bak files?

Well if it doesnt help you in that. I suggest you to flash back to latest stock rom 4.1.2 . check at sammobile for the latest rom. A week ago the latest was from bosnia. Then just change csc. Youll get your signal back for sure. After that make sure you backup your efs via ktool or any efs backup tools.

Because if you flash a 4.2.2 leak and then change to a custom rom. I had no solution too.
[Galaxy S III General] DavidX_07:
Yes I have backup of all /efs directory (but made after first custom rom flash when emergency call appear - just to prevent loosing IMEI). Ok I'm gonna try flash stock (but I see latest from Slovakia with MG4 right?) and change CSC.
[Galaxy S III General] aminroslan:
Alright. Let me know once you done flashing
[Galaxy S III General] DavidX_07:
It did not helps :( After flashing stock, my IMEI change to 0049, so i change CSC to XEO and restore my EFS. Proper IMEI back but still emergency only ;/

EDIT:

F**K now I got serial number 000000000 :( :(
[Galaxy S III General] aminroslan:
what is the baseband version?
[Galaxy S III General] DavidX_07:
i9300xxemg4
[Galaxy S III General] aminroslan:
Hmm.

Your IMEI and SN is back to normal?
[Galaxy S III General] DavidX_07:
No! As I wrote few post ago. IMEI back to normal but SN change to 000000. I do research and I found that it's penrmanent and need Agiza Patch ? :( If I make S3 full stock does samsung repair it for guarantee ? Or will they see that has been modified and cancel guarantee ?
[Galaxy S III General] aminroslan:
Ariza patch will make it worst.There's a reason why this thread was made. Why not you do a little bit of reading in this thread before flashing Ariza. cause I've tried ariza. for some reason there's a hidden agenda to it. I don't know what but why go for that patch when you know you'll be relying on it for the rest of your lifetime with your i9300.
[Galaxy S III General] DavidX_07:
So what to do If not Ariza ? After reading I though that Ariza is for S3 which have good IMEI but S/N 0000000 so like mine ?
[Galaxy S III General] aminroslan:
when you flash stock rom, this time through your respective country, through odin, tick 'clear efs folder' . i did that last time and it worked.
[Galaxy S III General] DavidX_07:
Ok gonna try it. One question only - Odin 1.85 or 3.05 ?
[Galaxy S III General] aminroslan:
1.85
[Galaxy S III General] DavidX_07:
Same - IMEI 0049, S/N 00000. But las proper for my country is with EFS v1
[Galaxy S III General] danarama:
Serial number 0000 needs repair (best option). You can also try zuluman patch in ariza thread but repair is better

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[Galaxy S III General] DavidX_07:
Ok, I've already repair serial number using SRS software but still emergency call only :eek: strange :/ so I have good IMEI good serial number but still emergency only WTF ? Of course I tried flash full stock Sammy ROM proper to my country.

To be sure - serial number is of cource under battery bottom of barcode right ? :D When I repairing I get s/n from there ;p
[Galaxy S III General] danarama:
Yes should be correct serial. I'm not sure if how you repair it is same as mobile repair centre. You can also look for zuluman patch in ariza patch thread (page 1 q&a). it doesnt fix serial but makes network work without serial. However, I always prefer a proper repair to this option.
[Galaxy S III General] boomwbb:
I have the same Problem.

IMEI shows correct and so does the S/N.

Still only emergency calls only.

Restored EFS, Formatted etc, Complete Wipes, etc.

Trying to go back to another rom to see if it helps.
[Galaxy S III General] :
I got the problem, which keep my IMEI 004999xxxxxxxxxxx

But I know my IMEI number.. is it possible to rewrite the number in a file so it will be okay again?