[SOLVED] Help me with IMEI code - Galaxy S II Q&A, Help & Troubleshooting

Hi, I've got this problem: I flashed a rom (omega v24) and the Hirox Kernel Intensive 5.8 on my Samsung galaxy S2..
I started to have bootloop which I have tried to resolve deleting the cash partition ecc, then I flashed the rom many times and different roms too and later again I used Odin..
Before using Odin I got no positive results: always stuck to bootlogo..
Odin instead, flashed an ICS official firmware and everything seemed to me to work fine.. But there was no signal.. no way to receive messages and make/receive phone calls.
I realize I got the problem of the EFS folder and Imei code but it was too late to recover them.. I deleted them just before the flash formatting the unit..
Now i'm using a XXKH3 firmware who gave me the EFS folder and a temporary imei code and let me receive and make phone calls ecc but as I flash a rom, this one works except for the sim card. It works only with that XXKH3.
Now here's the question: how can I replace that temporary Imei with my real Imei that I have on the box of the phone? How can i write it? I looked for tools and something like that but I found nothing for this model.
Thanks
G.

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Same Problem, found a solution
Gbobaz said:
Hi, I've got this problem: I flashed a rom (omega v24) and the Hirox Kernel Intensive 5.8 on my Samsung galaxy S2..
I started to have bootloop which I have tried to resolve deleting the cash partition ecc, then I flashed the rom many times and different roms too and later again I used Odin..
Before using Odin I got no positive results: always stuck to bootlogo..
Odin instead, flashed an ICS official firmware and everything seemed to me to work fine.. But there was no signal.. no way to receive messages and make/receive phone calls.
I realize I got the problem of the EFS folder and Imei code but it was too late to recover them.. I deleted them just before the flash formatting the unit..
Now i'm using a XXKH3 firmware who gave me the EFS folder and a temporary imei code and let me receive and make phone calls ecc but as I flash a rom, this one works except for the sim card. It works only with that XXKH3.
Now here's the question: how can I replace that temporary Imei with my real Imei that I have on the box of the phone? How can i write it? I looked for tools and something like that but I found nothing for this model.
Thanks
G.
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So I accidentally wiped my EFS folder and I had the same issue with no signal. I had the fake IMEI for a while and did a ton of googling. Found this guy Rafał Być (Facebook him) and he repaired the imei for £10. (I didn't have to send the device, he repaired it remotely after I sent the money over Paypal, It took no more than 15mins). I did do this around a year ago and I saw his website is down today. Maybe you can get in contact with him, Good luck.

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fantomscribla said:
So I accidentally wiped my EFS folder and I had the same issue with no signal. I had the fake IMEI for a while and did a ton of googling. Found this guy Rafał Być (Facebook him) and he repaired the imei for £10. (I didn't have to send the device, he repaired it remotely after I sent the money over Paypal, It took no more than 15mins). I did do this around a year ago and I saw his website is down today. Maybe you can get in contact with him, Good luck.
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Thanks a lot fantomscribla, that would be a nice try, perfect!

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Update
Gbobaz said:
Thanks a lot fantomscribla, that would be a nice try, perfect!
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Hey, did you get in contact with the person to resolve your IMEI problem? I think he is available for repairs now.

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Yeah he answered me some days ago but I had already resolved the issue by that time
Inviato dal mio GT-I9100 con Tapatalk 2

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Gbobaz said:
Yeah he answered me some days ago but I had already resolved the issue by that time
Inviato dal mio GT-I9100 con Tapatalk 2
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Good for u! Please add [SOLVED] to the title of your post then. And do share how you resolved it..
"To err is human, to forgive is divine."
Sent from my SGS II

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immortalneo said:
Good for u! Please add [SOLVED] to the title of your post then. And do share how you resolved it..
"To err is human, to forgive is divine."
Sent from my SGS II
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You are right I have changed the title right now and later I will post here the path I have followed; I will translate it from Italian to English

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Here is how I solved the problem:
English:
0. Check the IMEI malfunction writing *#06# on the Phone's keyboard. It should open a little window sayin' "unknown" or something like that.
1. Download the package of the XXKH3 firmware; I used this link: http://www.meksone.com/come-riportare-in-vita-un-galaxy-s2-senza-imei/.
2. Follow the guide at this link: http://www.obit8.com/ripristino-cartella-efs-samsung-galaxy-s2/.
3. Before to execute the part named "Passo 2" of the guide (which unfortunately costs €32,47), flash the firmware XWLPF (download here: http://www.androidiani.com/forum/mo...are-i9100xwlpf-italia-4-0-3-26-05-2012-a.html) using Odin.
4. Root the Phone using from ricovery the zip file named "Root_Superuser_3.1.3_Busybox_1.20.2-Update1-signed.zip" at the bottom of the first post at the page http://forum.xda-developers.com/showthread.php?p=28178105 ; doesn't need CWM.
5.Check on the box to find your IMEI code, or on the phone itself, under the battery. Write it somewhere and write the serial number too.
6. Execute "Passo 2" of the guide as it is explained in the video at the same page or at https://www.youtube.com/watch?v=vXmhLRPXokM.
7. Check that your IMEI is now back on the phone writing *#06#.
8. If now the phone still doesn't have signal, go to the system settings of your phone, then Security, Set Up Sim Card Lock and make "Lock Sim Card" without the cross. Now your phone should receive signal and you can again put the cross to block the phone with your pin number.
9.Other problems your phone should have are the missing rebooting menu and lockscreen even if enabled.
Using root explorer go to EFS folder, then IMEI and edit the file name "keystr" (if it doesn't exist, just create it) writing inside of it "ON" (just ON without ""), and set all the permissions (read, write, execute); open the file and check that ON is still written, if not write it again now that you have permissions.
Finished!!!!
Italian
0.Verificare l'anomalia del codice IMEI con *#06# che dovrebbe dare "unknown".
1.Scaricare il pacchetto firmware XXKH3 al sito*http://www.meksone.com/come-riportare-in-ita-un-galaxy-s2-senza-imei/.
2.Seguire la guida al sito*http://www.obit8.com/ripristino-cartella-efs-samsung-galaxy-s2/.
3.Prima di eseguire il "Passo 2" della guida, che prevede purtroppo una spesa di €32,47, passare tramite Odin al Firmware XWLPF (download qui*http://www.androidiani.com/forum/mo...re-i9100x.wlpf-italia-4-0-3-26-05-2012-a.html).
4.Effettuare il root con il file*Root_Superuser_3.1.3_Busybox_1.20.2-Update1-signed.zip*trovabile in fondo al primo post della pagina*http://forum.xda-developers.com/showthread.php?p=28178105*senza hbisogno di installare CWM.
5.Sulla scatola del telefono o sotto la batteria dovrebbe esserci il codice seriale e l'IMEI. Segnarseli.
6.Eseguire il "Passo 2" come spiegato dal video*https://www.youtube.com/watch?v=vXmhLRPXokM.
7.Verificare con *#06# che l'IMEI ora sia il vostro.
8.Se il telefono non prende ancora, andare nelle impostazioni della sim e togliere la spunta da "blocca scheda sim".
9.Se il lockscreen non funziona e nemmeno il menu di spegnimento, tramite Root Explorer andare nella cartella EFS poi IMEI e modificare il file keystr (se non c'è, createlo) scrivendoci dentro "ON" (solo ON senza virgolette), controllare che resti scritto e settare tutti i permessi (read, write, execute).
10. Reimpostare il "blocco scheda sim" se voluto.
Inviato dal mio GT-I9100 con Tapatalk 2

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waiting for English version PLEASE!

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I'm trying to do my best but I'm on holiday and I don't Have much time to write; anyway I am already on it but the guide I followed and the video I watched are Italians, so there's a lot of Work to do
Inviato dal mio Nexus 7 con Tapatalk 2

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Gbobaz said:
I'm trying to do my best but I'm on holiday and I don't Have much time to write; anyway I am already on it but the guide I followed and the video I watched are Italians, so there's a lot of Work to do
Inviato dal mio Nexus 7 con Tapatalk 2
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Sorry, take your time... Thanks!

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Done
I hope it could help, maybe some things are useless but when I fixed the problem on my phone I did exactly these things
Just ask me if u need anything I'm here.
Maybe later I will try to write the guide I followed from Italian to English too if needed.
Inviato dal mio Nexus 7 con Tapatalk 2

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can you please help section 2?
2. Follow the guide at this link: http://www.obit8.com/ripristino-cart...ung-galaxy-s2/.

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Kentel do you know how Odin works? Have you already downloaded the package XXKH3?
Inviato dal mio GT-I9100 con Tapatalk 2

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Hi, I did the first part of the instruction, i.e. I downloaded I9100XXKH3 package, installed everything with Oddin as advised, rebooted, flashed efs but I still have baseband unknown and no imei at all. This is obviously wrong because according to the instruction I should have baseband back and a generic IMEI at this point. Could this mean that this problem is a hardware fault in my case?

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Gbobaz said:
Kentel do you know how Odin works? Have you already downloaded the package XXKH3?
Inviato dal mio GT-I9100 con Tapatalk 2
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yes, I know about Odin works, and I have downloaded XXKH3, but not start anything yet.

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with Odin u Have do do this:
Put the telephone in download mode connected to the pc and Odin should recognise it; select
Repartion, Auto Rebook e F. Reset Time;
PIT:select the file u1_02_20110310_emmc_EXT4.pit;
PDA, file CODE_I9100XXKH3_CL479037_REV02_user_low_ship.tar.md5;
Phone, file MODEM_I9100XXKH3_REV_02_CL1050544.tar.md5;
CSC, file GT-I9100-CSC-MULTI-OXAKH3.tar.md5;
Start.
Now the recovery should give you some errors: you Have to turn off the Phone, Put out your sd card and do that thing about Odin again(pda, code, pit etc.) ; then go again in download mode, connect with Odin and select only Auto reboot e F.Reset Time. REPARTITION NO!
PDA and select the file EFS_I9100XXKH3_CL479037_REV02_user_low_ship.tar.md5
Start.
Kentel, this is what u Have to do and mrpiter if u do this exactly it should Work, otherwise i really don't know
Inviato dal mio Nexus 7 con Tapatalk 2

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Gbobaz said:
with Odin u Have do do this:
Put the telephone in download mode connected to the pc and Odin should recognise it; select
Repartion, Auto Rebook e F. Reset Time;
PIT:select the file u1_02_20110310_emmc_EXT4.pit;
PDA, file CODE_I9100XXKH3_CL479037_REV02_user_low_ship.tar.md5;
Phone, file MODEM_I9100XXKH3_REV_02_CL1050544.tar.md5;
CSC, file GT-I9100-CSC-MULTI-OXAKH3.tar.md5;
Start.
Now the recovery should give you some errors: you Have to turn off the Phone, Put out your sd card and do that thing about Odin again(pda, code, pit etc.) ; then go again in download mode, connect with Odin and select only Auto reboot e F.Reset Time. REPARTITION NO!
PDA and select the file EFS_I9100XXKH3_CL479037_REV02_user_low_ship.tar.md5
Start.
Kentel, this is what u Have to do and mrpiter if u do this exactly it should Work, otherwise i really don't know
Inviato dal mio Nexus 7 con Tapatalk 2
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Thanks for replied and help!
but i have some confuse at your second part... do I need to put "code and pit" again when flash PDA EFS_I9100XXKH3_CL479037_REV02_user_low_ship.tar.md5 ?
I tried without "code and pit", only EFS... ,
check "Auto reboot e F.Reset Time"
it is HANG on start up, won't work.

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Any news Kentel? It's right to flash only EFS file as you did.
Are u still stuck at bootlogo?
Inviato dal mio GT-I9100 con Tapatalk 2

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Gbobaz said:
Any news Kentel? It's right to flash only EFS file as you did.
Are u still stuck at bootlogo?
Inviato dal mio GT-I9100 con Tapatalk 2
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stuck fixed, but no IMEI , no network connection, because don't understand step 2 in Italian, give up,