Unknown serial number. - Galaxy S II Q&A, Help & Troubleshooting

So I had My phone in for a repair and after it came back they updated it and now it says serial number is unknown..
How do I fix this?
I'm running ics LPG
Sent from my GT-I9100 using xda app-developers app

Dasmikko said:
So I had My phone in for a repair and after it came back they updated it and now it says serial number is unknown..
How do I fix this?
I'm running ics LPG
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
thats not an issue as long as ur IMEI no is intact, even i have the same ' Serial no unknown' and i am running custom AOKP rom (ressurection remix v2.5.2) without any issue

Well the IMEI seems intact, but I use a app that is relying on the serial number
Sent from my GT-I9100 using xda app-developers app

Dasmikko said:
Well the IMEI seems intact, but I use a app that is relying on the serial number
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
is the app function is affected by the same? have u checked it, if not do so and see

yup it is, it's a web tv app, and uses the serial number to check if i'm allowed to use it outside of my home internet.

Flash ICS bootloader and it should magically appear.

oinkylicious said:
Flash ICS bootloader and it should magically appear.
Click to expand...
Click to collapse
Like this one?
http://androidfirmwares.net/Tools/Download/2

Dasmikko said:
yup it is, it's a web tv app, and uses the serial number to check if i'm allowed to use it outside of my home internet.
Click to expand...
Click to collapse
then try flashing ICS boot loader to get back the serial no or even the latest ics stock rom will do good
---------- Post added at 12:15 PM ---------- Previous post was at 12:14 PM ----------
Dasmikko said:
Like this one?
http://androidfirmwares.net/Tools/Download/2
Click to expand...
Click to collapse
yes
ps- backup ur exsisting rom in the first place

I just put the file under bootloader in odin, and make sure that repartition is not selected?

Dasmikko said:
I just put the file under bootloader in odin, and make sure that repartition is not selected?
Click to expand...
Click to collapse
yes

And serial number is back!

HELP
Even I had the same issue as the OP and tried flashing the ICS bootloader using ODIN. But for some reason ODIN is not responding and my phone is still in download mode. The USB cable is still connected.
Is it safe to disconnect the USB cable or will it brick my phone?
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I just flashed the bootloader and I still have all zeros in the serial number field. Isn't there any way to manually edit the serial number back into /efs or something?

Even I had the same issue as the OP and tried flashing the ICS bootloader using ODIN. But for some reason ODIN is not responding and my phone is still in download mode. The USB cable is still connected.
Is it safe to disconnect the USB cable or will it brick my phone?
Click to expand...
Click to collapse
Yes. Very safe if Odin glass not started writing
Swyped from my Samsung Galaxy SII
Supercharged ParanoidAndroid 2.12
Dorimanx kernel 5.76B
GT I9100
Next phone: Galaxy NOTE II

drdebian said:
I just flashed the bootloader and I still have all zeros in the serial number field. Isn't there any way to manually edit the serial number back into /efs or something?
Click to expand...
Click to collapse
I believe this happens if you are on 4.0.4 as it seems to be a reading error.
My problem is, I get very weird values on my serial number.

Related

[Q] missing serial number. (LPH based rom) VodafoneAU i9100T>LPH based rom.

Ok so I just got a brand new Galaxy s2 FREE from Vodafone AU... well not exactly, after crap reception and a $500 bill direct debited from my account for excess data I never used, they gave it to me outright. Bribe 3 months before my contract expires I guess.
Firstly I'm NOT a NOOB been flashing for 18months on my old SGS1 and do know a bit.
-So I started with a stock GTi9100T phone...
NOTE: After much google action I discovered that the GTi9100T is IDENTICAL to the standard SGS2 as far as I can tell except that is has a lower SAR output. Unlike the i9100G there are NO T-specific hardware or firmware differences (except possibly the modem or trivial rom settings) and no separate sources either.
-Then I flashed a CF-rooted stock kernel (KF2 i think) matching the stock firmware via Odin.
-Next I downloaded Foxhound Batista 0.2 ICS XXLPH based rom and flashed via CWM recovery. I came in two parts and I must have missed the correct seequence because the rom bootlooped.
I decided to format every partition except sdcard and flash CF-root kernel via Odin again.
-This time Foxhound flashed sucessfully.
-Now I did forget to backup my IMEI (facepalm) easy to do when you have a FREE SGS2 in your hands. IMEI survived fine but the Serial number in setting> phone is "Unkown"
-Now my questions are:
-Does the serial number listed as unknown cause any phone-identity problems like a missing/corrupt IMEI?
-Can I fix this with .md5 backups in my EFS folder or any other way easily?
-Is it caused by still having GB bootloaders running ICS?
-will a sammy stock firmware flash (3-file low-level + pit/repartion) fix it like IMEI issues?
-Is is something to do with having GTi9100 rom running on a GTi9100T device?
Thanks in advance peoples, happy to join your area of XDA
Edit: So I finally found a discussion touching on this in the CM9 thread but it reveals very little:
http://forum.xda-developers.com/showthread.php?t=1419102&highlight=serial+number+unknown
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bump, I have this problem too, nobody really knows of a fix?
So if u dont hav imei how come u get signal?...if its currupt then ,if got a bck up of efs folder use it an get ur imei.or it will look more of a stollen phone
Sent from my GT-I9100 using xda premium
Xerovius said:
bump, I have this problem too, nobody really knows of a fix?
Click to expand...
Click to collapse
Serial problem ???
jje
You need new ics boot loader, ics stock ROM to fix that serial....
Sent from my GT-I9100 using Tapatalk 2
I've never used a custom rom that does show the serial number in settings, and I only used stock for a week when I first got my phone & don't remember if it showed up using stock.
Either way, it's irrelevant. What possible issue could arise whether settings/about phone showed your serial number or not ? As long as your IMEI is good/not showing the generic '0044' one, it's all good.
People getting in a tizz about nothing on here as per usual.
Custom kernels than might lose it again
Sent from my GT-I9100 using Tapatalk 2
It's the new ICS feature, it shows serial in about phone, and yes it does nothing, but it sure bug when you see unknown.... So update to latest stock and it will be fixed. Easy. As I said, custom kernels again can make it unknown.
Sent from my GT-I9100 using Tapatalk 2
JJEgan said:
Serial problem ???
jje
Click to expand...
Click to collapse
Yeah, just the missing serial, installed cm9

Help problem after flashing latest cm9 build

I have GT-I9100 international and have a big problem after flashing latest build of cm9 returned to the previous build 19/8 which had no problems before and problem persists!!!
Wifi working and 3g and telephony not work do not know what to do???
When i open setting i find no baseband version and no imei and no serial number
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Probably corrupted efs files or whole partition. Flash stock firmware first. If this doesnt help than restore your efs backup.
i9.0.1.3k galaxy imperator
Mohamedselim said:
I have GT-I9100 international and have a big problem after flashing latest build of cm9 returned to the previous build 19/8 which had no problems before and problem persists!!!
Wifi working and 3g and telephony not work do not know what to do???
When i open setting i find no baseband version and no imei and no serial number
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
The problem:
1. Your problem has nothing to do with /efs
2. Your problem is with the missing baseband/radio/modem or whatever you call it.
The cause of the problem:
1. You were flashing a new ROM via cwm recovery while your phone is connected to the charger. It's a known bug!
Solution:
- download a cwm zip modem here:forum.xda-developers.com/showthread.php?t=1277593
- disconnect your phone from charger
- reboot to cwm recovery
- flash modem like normal ROM, you don't need to wipe anything
- reboot phone.
Problem solved
Swyped from my Galaxy SII
No, I don't think it will be 'solved' if he has problems with serial number and IMEI which are stored in efs folder. Modem have nothing to do with it, only with baseband.
Do not be so sure of your advice if you wish to help someone. There are few things that may be responsible for that behavior, but most probably is efs corruption. Sure he can also flash modem, but I'm pretty sure that this will not help at all.
--
i9.0.1.3k galaxy imperator
SirKunon said:
No, I don't think it will be 'solved' if he has problems with serial number and IMEI which are stored in efs folder. Modem have nothing to do with it, only with baseband.
Do not be so sure of your advice if you wish to help someone. There are few things that may be responsible for that behavior, but most probably is efs corruption. Sure he can also flash modem, but I'm pretty sure that this will not help at all.
--
i9.0.1.3k galaxy imperator
Click to expand...
Click to collapse
Because his baseband is missing which is why I was sure.
No baseband = no imei, no telephone function.
Baseband present, but no telephone function, generic imei = /efs corruption
Swyped from my Galaxy SII
No my friend. If modem is invalid IMEI and serial number are still present. I have checked that many times when Mobile Odin inproperly flashed modem.
But true is that better to flash modem via cwm.
--
i9.0.1.3k galaxy imperator
Use i was flashing rom while charger connected did not know about this bug !!!
When i try to enter airplane mode and exit it phone return normal and imei and baseband found all except serial number unknown do you have explanation?
Sent from my GT-I9100 using xda app-developers app

[Q] Strange Problem 4.0.4

Dear Mate,
I hve been using Galaxy SII ( GT -I9100)
History: was on 2.3.5 -> upgrade to official 4.0.3 and it was showing an error msg " unfortunately service.acro.*** can not starter , set was lagged -> upgrade to official 4.0.4 - and bellow happend
this black color block always showing to screen - only when SIM card is inserted . I have tried to change the sim even different operator.
It always showing - why
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btw i have installed the official release downloaded for bellow
http://www.sammobile.com/firmware/?page=3&model=GT-I9100&pcode=TML&os=1&type=1#firmware
pls advice what to do?
later I have try to downgrade it to any lower version like 2.3.6 - now set is not booting up- right after the samsung Animation the big S is showing up and nothing els
what to do now?
Try a factory data reset in recovery
Sent from my SGH-I727 using XDA Premium App
Sentario said:
Try a factory data reset in recovery
Sent from my SGH-I727 using XDA Premium App
Click to expand...
Click to collapse
not working in this way - any other advice pls
the good news is the phone is only soft bricked if you can get Odin to work with it I would start from scratch and reflash the ics ROM ... also look up your phone here on xda there should be lots of info under questions and answer section for your phone
Sent from my SGH-I727 using XDA Premium App
Soft bricked?.......its the samsung service menu.
Search for "keystr"
You need to create that file in efs>imei folder
Stuck at Samsung logo try this. http://forum.xda-developers.com/showthread.php?t=1457458&highlight=unbrick+guid
try bringing it to a technician
Sentario said:
the good news is the phone is only soft bricked if you can get Odin to work with it I would start from scratch and reflash the ics ROM ... also look up your phone here on xda there should be lots of info under questions and answer section for your phone
Sent from my SGH-I727 using XDA Premium App
Click to expand...
Click to collapse
Dude, there is no such thing as a "soft-brick" or "hard-brick" they both have no meaning other then a phrase to help n00bs when panicking and creating topics.. Your device is either "bricked" or it isn't, simple as that. A device is bricked when you can no longer use recovery, download mode or power on phone, Like when boot-loader is corrupted or you flash wrong partition file or you use stock 4.0.3 kernel to wipe phone and have no option to either use JTAG fix or mobo replacement.
When a phone can power on and enter/use download or recovery the device is not "bricked".
@ OP
Make sure you are flashing the correct rom for your device variation. try flashing Siyah kernel via ODIN then wipe data/factory reset and then format system partition in storage menu.
Once you have done above flash your rom again and then flash v4 of Siyah kernel afterwards.
TheATHEiST said:
When a phone can power on and enter/use download or recovery the device is not "bricked".
@ OP
Make sure you are flashing the correct rom for your device variation. try flashing Siyah kernel via ODIN then wipe data/factory reset and then format system partition in storage menu.
Once you have done above flash your rom again and then flash v4 of Siyah kernel afterwards.
Click to expand...
Click to collapse
Hi Atheist
phone is now truning on..i can see home screen ..i can use this phone...
but guide me how to get rid from this Black screen..which is only showing when a SIM card is there( i have change the SIM even different operator, but the same) ..
pls advice how to remove this Black screen..
other issue - Screen lock also not working - slide / pattern / password- nothing is working...
Thnx
I see I wasted my time advising how to remove the service box.
To theunderling... yes when your stuck on boot logo its a soft brick... and next time read thread fully
Sent from my SGH-I727 using XDA Premium App
---------- Post added at 04:43 AM ---------- Previous post was at 04:38 AM ----------
Well in this case buddy is a new theathiest so let's just keep **** simple and not freak out over something he obviously does not fully understand....
Sent from my SGH-I727 using XDA Premium App
---------- Post added at 04:46 AM ---------- Previous post was at 04:43 AM ----------
And one last thing using the term sift brick is what the majority around here use even some senior members use the term in there stickys
Sent from my SGH-I727 using XDA Premium App
Whats a "sift brick".
Real mature...
Sent from my SGH-I727 using XDA Premium App
Sentario said:
Real mature...
Sent from my SGH-I727 using XDA Premium App
Click to expand...
Click to collapse
Next time check your spelling carefully.
Eg
bOld
bAld

How can I know if it´s stock?

Hi guys,
I´ve just bought a second hand GS3 and I cannot update it. I thought it was because it was rooted but then I tried a temp unroot (rootkeeper) and it didn´t work. So I´m not so sure if my phone is fully stock. How can i find out?
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Status - device status. Should be "normal"
Device status says "modified" and serial number says 000000000000000000000000000.
Would you happen to know where can I get a stock kernel for this phone? As a matter of fact, how do I find out WHICH IS my stock kernel?
not kernel, you need a whole ROM. get one from sammobile
Really? Oh no....this means having to reconfigure my entire phone again
So I just type GT-i9300 on sammobile and download the rom? Or do I type the baseband, or what?
rawfa said:
Device status says "modified" and serial number says 000000000000000000000000000.
Would you happen to know where can I get a stock kernel for this phone? As a matter of fact, how do I find out WHICH IS my stock kernel?
Click to expand...
Click to collapse
The Imei seems to be scratched up too. May you will have problems with warranty
Gesendet von meinem GT-I9300 mit Tapatalk 2
I don´t care about the warranty. I just want to get back to stock but I don´t even know how to begin looking for what rom is my stock rom...
UltrasFrankfurt said:
The Imei seems to be scratched up too. May you will have problems with warranty
Gesendet von meinem GT-I9300 mit Tapatalk 2
Click to expand...
Click to collapse
serial number, not imei
---------- Post added at 10:36 PM ---------- Previous post was at 10:35 PM ----------
rawfa said:
I don´t care about the warranty. I just want to get back to stock but I don´t even know how to begin looking for what rom is my stock rom...
Click to expand...
Click to collapse
flash latest i9300 stock rom
So, as long as it´s GT-i9300 I can download ANY rom? I´m downloading Android 4.1.2 I9300XXELL5_I9300VFGELL1_TCL.zip | 901.3 MB. Should this be ok?
you can choose your csc from the csc list in General
Ok. Then I guess the one I´m downloading won´t work for me as I´ve just checked and:
AP: i9300xxale8
cp: i9300bole5
csc: i9300tnlle3
you can change csc later, but that's not required
So the one i´m downloading should be fine then? Sorry for the question massacre but I don´t want to brick my phone.
you won't brick your phone, you may have some network issues, but that's unlikely. and if you do, just change the csc
---------- Post added at 10:56 PM ---------- Previous post was at 10:56 PM ----------
just FYI, ELL5 is not the latest version. ELLA is
Thanks. I´ve just canceled the other download...I´ll have to wait 28min to be able to download ELLA. I´ll let you guys know latter.
I´ve flashed the ELLA rom and it worked perfectly. It didn´t delete my data or configuration. Everything is perfect but I´m having an issue.
Whenever I try to make a call it tells me I´m not registered on a network. I went to "Mobile Networks", "Network Operators" and selected my carrier but I keep getting the same msg whenever I try to make a call.
rawfa said:
I´ve flashed the ELLA rom and it worked perfectly. It didn´t delete my data or configuration. Everything is perfect but I´m having an issue.
Whenever I try to make a call it tells me I´m not registered on a network. I went to "Mobile Networks", "Network Operators" and selected my carrier but I keep getting the same msg whenever I try to make a call.
Click to expand...
Click to collapse
You are posting the same question twice .
jje
rawfa said:
I´ve flashed the ELLA rom and it worked perfectly. It didn´t delete my data or configuration. Everything is perfect but I´m having an issue.
Whenever I try to make a call it tells me I´m not registered on a network. I went to "Mobile Networks", "Network Operators" and selected my carrier but I keep getting the same msg whenever I try to make a call.
Click to expand...
Click to collapse
I just knew.. Phone somehow is stolen or smth is wrong with it.. Thats why u didnt have serial number in the first place.. u must have got ur phone preety cheap..
Sent from my GT-I9300 using xda premium
Imei blocked perhaps if phone was a stolen one.
CHEVYbarracuda1 said:
I just knew.. Phone somehow is stolen or smth is wrong with it.. Thats why u didnt have serial number in the first place.. u must have got ur phone preety cheap..
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
I traded it for my HTC One X...had I known this before I would have kept it. I´ve managed to fix everything but I do not endorse the transaction of stolen goods.

[MODEM]i8190XXAMG1[CWM]

i8190 Baseband XXAMG1 (do not use for L/N version)
Flash with your custom recovery.
GT-I8190_modem.bin-XXAMG1-update.zip
Is this never than xxame1 ??
Sent from my GT-I8190 using xda premium
cadfertiyu said:
Is this never than xxame1 ??
Sent from my GT-I8190 using xda premium
Click to expand...
Click to collapse
E=may
G=july
flashed it yesterday without any problems.
thx
Hi Tys0n
I'm confused. I have here a log mobileodin.txt from i8190 to send to Chainfire to make compatibility whit MobileOdin.
On this log there are a partition 12 modemfs and you flash the modem.bin on partition 16 (I look Your updater_script).
Because this seems not be the same thing how can I see the partitions by-name + number please?
And what is the modemfs?
This is only curiosity. I flashed this Rom by Odin and I have Your modem already working.
Thank You
ValenteL said:
Hi Tys0n
I'm confused. I have here a log mobileodin.txt from i8190 to send to Chainfire to make compatibility whit MobileOdin.
On this log there are a partition 12 modemfs and you flash the modem.bin on partition 16 (I look Your updater_script).
Because this seems not be the same thing how can I see the partitions by-name + number please?
And what is the modemfs?
This is only curiosity. I flashed this Rom by Odin and I have Your modem already working.
Thank You
Click to expand...
Click to collapse
Hi. I guess 16 is where the modem.bin goes, and 12 "/modemfs" is where it gets extracted to maybe. I don't know. I got the info I needed from enox dsixda kitchen guide in general forum.
Sent through time and space from my s3mini/CM10.1
Is this working with maclaw aokp?
Sent from my GT-I8190 using xda app-developers app
b2dj said:
Is this working with maclaw aokp?
Sent from my GT-I8190 using xda app-developers app
Click to expand...
Click to collapse
It should work with any rom as long as it's the right baseband for your region.
Sent through time and space from my s3mini/CM10.1
I did a full nandroid back up. Flashed the modem. Got unknown baseband. Restore my phone. Now it shows as xxamg1. Actually i dont know how to know the region of my phone. Haha.
Sent from my GT-I8190 using xda app-developers app
Ps. Im on dxama2 before. Try to restart. Now im on xxamg1.
Yes, I've noticed it takes another reboot for the baseband version to be set. Don't know why that is. Extraction of the modem.bin may be.
Sent through time and space from my s3mini/CM10.1
tys0n said:
Yes, I've noticed it takes another reboot for the baseband version to be set. Don't know why that is. Extraction of the modem.bin may be.
Sent through time and space from my s3mini/CM10.1
Click to expand...
Click to collapse
hi tys0n!
my baseband still is XXXX
but everything works with this modem drivers
m_p11 said:
hi tys0n!
my baseband still is XXXX
but everything works with this modem drivers
Click to expand...
Click to collapse
Hi! I helped you with a no signal issue, right? NV rebuild if I remember it right.
Sorry to hear it still shows as xxxx even now when your signal is back. I'll see if I can come up with something when I'm back at home.
Sent through time and space from my s3mini/CM10.1
tys0n said:
Hi! I helped you with a no signal issue, right? NV rebuild if I remember it right.
Sorry to hear it still shows as xxxx even now when your signal is back. I'll see if I can come up with something when I'm back at home.
Sent through time and space from my s3mini/CM10.1
Click to expand...
Click to collapse
yep that's correct. You helped me out!
signal is back and all with stock rom works!
if you have some more ideas, maybe PM me.
edit:
pic to see how it is :
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m_p11 said:
yep that's correct. You helped me out!
signal is back and all with stock rom works!
if you have some more ideas, maybe PM me.
Click to expand...
Click to collapse
Glad I could help you out once again today, even though it wasn't because of the modem update. Now it's fully working again
Good work on Dmod v6
Working perfectly on my CM 10.1 (Maclaw) coming from Baseband E. "Unknown baseband" go away after power off and then power on my phone again.
Thank you!!!
Working without any problems.

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