[Q] Sending I9100 back to Samsung. What do I need to do? - Galaxy S II Q&A, Help & Troubleshooting

Hi everyone.
I need some help with my I9100. I am not receiving any reception on any networks so I have called Samsung and will be sending the phone back for repairs as the phone is still under warranty.
I was using the SuperNexus rom in the android development section. The phone was working brilliantly with this rom and suddenly stopped picking up any network after weeks of using this rom. I hadn't changed the radio in this time either.
I am guessing I will have to unroot the phone and flash original samsung firmware again.
Can somebody point me in the right direction please. I need to know how to unroot my I9100 and need to know which firmware I will need to flash.
Thanks in advance.

Download your stock firmware, and flash using Odin, use Triangle away before flashing
If your phone has nee here is the thread
http://forum.xda-developers.com/showthread.php?t=1544487
Stock firmware thread
Sent from my GT-I9100 using Tapatalk 2

Can you try flashing it with modem for your country and download and run GETRIL app to fix your RIL.
Sent from my GT-I9100 using Tapatalk

UnwiredDroid said:
Can you try flashing it with modem for your country and download and run GETRIL app to fix your RIL.
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Thanks for your responses
I flashed the stock firmware (I9100XWLPY - H3G UK) and used triangle away to reset the flash counter.
I've re flashed supernexus build 5 after rooting and used getril because the baseband and and ril didn't match according to GetRIL.
my baseband is I9100NELP4 and it recommends me to flash I9100XXLPX; I9100NELP4
now it is matching but it still doesnt pick up any networks. I've tried O2 uk and Three UK. I am on the Three network.
My IMEI *#06# matches the IMEI behind the battery. However the S/N does not match from settings and behind the battery.
Is there anything I can do before I send it back to Samsung for repairs?

Make sure your flash counter is 0 ( check in D/L mode) and have a completely stock unrooted firmware.
Sent from my Galaxy S2 GT i9100

Related

[Q] Galaxy S2 won't reboot after root

My galaxy s2 (GT-I9100 white) won't reboot after I root it and it stuck on the Startup screen and there's a yellow exclamation mark. It still can go into download mode again but I got no idea what to do in order to recover the phone... Anyone can help about it??? Did my phone just turn into a brick????:crying::crying::crying:
P/S: I am a Malaysian and this phone was bought in Switzerland and I never root it before.
kaiwen10 said:
My galaxy s2 (GT-I9100 white) won't reboot after I root it and it stuck on the Startup screen and there's a yellow exclamation mark. It still can go into download mode again but I got no idea what to do in order to recover the phone... Anyone can help about it??? Did my phone just turn into a brick????:crying::crying::crying:
P/S: I am a Malaysian and this phone was bought in Switzerland and I never root it before.
Click to expand...
Click to collapse
Basics.... Reflash any custom rom with Odin. That will help.
Sent from my GT-I9100 using xda premium
okti said:
Basics.... Reflash any custom rom with Odin. That will help.
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Actually my friend sent me this kernel>>>CF-Root-SGS2_XX_OXA_LP1-v5.2-CWM5.tar
He told me to flash the kernel then only install custom...so I can directly flash the rom to my s2
by using odin???
kaiwen10 said:
Actually my friend sent me this kernel>>>CF-Root-SGS2_XX_OXA_LP1-v5.2-CWM5.tar
He told me to flash the kernel then only install custom...so I can directly flash the rom to my s2
by using odin???
Click to expand...
Click to collapse
Yes, download and flash new rom, Then you have guarantee your phone will boot up because after flashing kernel you might get bootloop too.
Sent from my GT-I9100 using xda premium
kaiwen10 said:
My galaxy s2 (GT-I9100 white) won't reboot after I root it and it stuck on the Startup screen and there's a yellow exclamation mark. It still can go into download mode again but I got no idea what to do in order to recover the phone... Anyone can help about it??? Did my phone just turn into a brick????:crying::crying::crying:
P/S: I am a Malaysian and this phone was bought in Switzerland and I never root it before.
Click to expand...
Click to collapse
This is because you flashed a wrong kernel for your phone.
# Quick question:
Is your phone on Gingerbread, Android 2.3.x or ICS (Ice Cream Sandwich), Android 4.0.x?
# If your phone is on ICS, then download and flash this kernel via Odin: www.gokhanmoral.com/public/files/siyahkernel/v3.0/Siyah-v3.5.2.tar
# If your phone is on Gingerbread, then download and flash this kernel via Odin: gokhanmoral.desean.net/siyahkernel/v2.6/Siyah-v2.6.14.tar
Sent from my GT-I9100 using Tapatalk 2
Jokesy said:
This is because you flashed a wrong kernel for your phone.
# Quick question:
Is your phone on Gingerbread, Android 2.3.x or ICS (Ice Cream Sandwich), Android 4.0.x?
# If your phone is on ICS, then download and flash this kernel via Odin: www.gokhanmoral.com/public/files/siyahkernel/v3.0/Siyah-v3.5.2.tar
# If your phone is on Gingerbread, then download and flash this kernel via Odin: gokhanmoral.desean.net/siyahkernel/v2.6/Siyah-v2.6.14.tar
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Thanks for that.
I have the I9100BVLPH stock ROM from T-Mobile UK on my phone so I downloaded the correct Chain Fire kernel (CF-Root-SGS2_XX_OXA_LPH-v5.2-CWM5.tar) from http://forum.xda-developers.com/showthread.php?t=1103399 and this caused the phone not to boot.
Thanks for the link to Siyah, I used the v4.1.5 kernel and it worked great.
Hello there.
I'm in a bit of a trouble so I need some help. I've bought an S2 for my wife from a guy (in Ireland).
The phone was locked on Vodafone so I tried to root it maybe I'll be lucky to unlock it with out paying nothing. So, the phone is on Gingerbread with a BUKJ3 kernel. I've downloaded last night a CF root but by mistake I took a KG3 instead of KJ3. After flashing with Odin 1.85 I got stuck on the boot screen with the yellow triangle.
This morning I've downloaded another kernel as in KJ3 flashed with Odin, the phone is starting but no network coverage, I tried with different Sim cards but nothing so I went in recovery mode and wipe/format data, system, dalvik and cache as factory reset as well. Since that moment the phone won't boot, it gets stuck on the boot screen and yellow triangle.
I can go in recovery mode and download mode with no problem but I can't make it start.
I reflashed the kernel, I don't know what to do and tomorrow is my wife's birthday and I was trying to surprise her with a nice phone but instead looks like she is gonna get a brick ( I hope not)
Thank you guys for any help.
Go to sammobile and get something like unbranded XWLP7 stock rom....flash via odin
Then use rachmats ics rooting guide
Backup efs folder and make nand backup
Then get unlock app(by helroz or chainfire)
Sent from my GT-I9100 using xda premium
theunderling said:
Go to sammobile and get something like unbranded XWLP7 stock rom....flash via odin
Then use rachmats ics rooting guide
Backup efs folder and make nand backup
Then get unlock app(by helroz or chainfire)
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Thank you for the reply. I don't mean any disrespect but for the last 3 hours I'm looking over kernels and forum and my brain is really wired now maybe.
I've had a look at sammobile but I can't find what you've recommended. A more specific link will be more than helpful.
Thank you very much anyway. If I'm getting advises it means I didn't bricked the phone so I might be able to fix it.
Once again thank you.
You just go to sammobile,then register,then firmware and files,then put the info in the 4 fields
eg
Smartphone
Android
Gt-i9100
Then uk/ire XEU (or vodafone or whatever..but unbranded better)
Then youll see a list about firmware version and their release date
Eg
Lpt 4.0.4 ics jul 2012
Lp7 4.0.3 ics apr 2012
So download lp7 4.0.3 and flash with odin.
Then use the rooting guide in my sig
Then do the other things I said.
theunderling said:
You just go to sammobile,then register,then firmware and files,then put the info in the 4 fields
eg
Smartphone
Android
Gt-i9100
Then uk/ire XEU (or vodafone or whatever..but unbranded better)
Then youll see a list about firmware version and their release date
Eg
Lpt 4.0.4 ics jul 2012
Lp7 4.0.3 ics apr 2012
So download lp7 4.0.3 and flash with odin.
Then use the rooting guide in my sig
Then do the other things I said.
Click to expand...
Click to collapse
Thank you very much. In the mean while I've managed to find exactly what you've said in your answer. I've choose the gingerbread version of the ROM cause that was what the phone had when I've bought it.
SO, now is it safe to go on ICS like I did half an hour ago with that Gingerbread rom?
Thank you and sorry about the noob question, never used an Samsung, only HTC.
Yeah just do what I said.......not what you think!.
theunderling said:
Yeah just do what I said.......not what you think!.
Click to expand...
Click to collapse
Did it, thank you very much. The phone start but somehow I've lost my IMEI number and base band. I must be really unlucky.
I've read that Odia can help in this matter but if anybody has any idea, I'll be happy to make a donation for getting back the IMEI number.
Once again thank you very much.
theunderling said:
Yeah just do what I said.......not what you think!.
Click to expand...
Click to collapse
It's always about read read more.... And don't flash anything unless you are 100% sure...
Sent from my GT-I9100 using xda premium
People contact Odia when theres a problem with their efs folder/no backup.
But you should have a backup and a nand backup.
I had the same problem yesterday and I restored efs folder/restored nand backup.....which got it back.
So try that or theres a thread about "restore imei in 9 easy steps".
theunderling said:
People contact Odia when theres a problem with their efs folder/no backup.
But you should have a backup and a nand backup.
I had the same problem yesterday and I restored efs folder/restored nand backup.....which got it back.
So try that or theres a thread about "restore imei in 9 easy steps".
Click to expand...
Click to collapse
I know I was stupid enough not to read before flashing, but now it too late to think about that.
the thing is I've never used a galaxy phone until these days and I wasn't aware of all this things and I don't know how to restore this NAND backup IF I have one, as I didn't make any backup before flushing. I hope I'll get some help from somebody and as I've said, a nice donation will be on the way to the helper.
Try GSII repair app.But you have to be rooted.

[Q] Back on factory firmware

Hi,
I am starting to developing on Android and i just got a used Galaxy S2 GT-9100 ( Canada ). This phone is rooted on an other firmware. I want to go back on the last official firmware in order to make Samsung Kies working. I really don't understand why when i look for official samsung firmware on google i finish on unknown blog ....
There is a way to get the last official Samsung Firmware ?
Thanks
Go to sammobile.com. register for free. Enter your device details. Download ROM. Flash it via Odin.
Sent from my GT-I9100 using Tapatalk 2
how to flash a sammoblie firmware file
Spiralzz said:
Go to sammobile.com. register for free. Enter your device details. Download ROM. Flash it via Odin.
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Hello from me! My first post!!!
Well I was wandering how can I flash the sammobile dowloaded firmware with Odin3. I mean full flash so I can change the phone and CSC not only the pda. Because what I get from sammoblie is a one file bundle *.tar.md5 .
- Just in case, I recently bought from ebay a GT-9100 locked with T-Mobile and stocked with Gingerbread. I am not a customer of T-Mobile so I unlocked it and upgraded it to latest firmware 4.0.4
- The problem is the signal strength is very poor (but not always - sometimes, for about 10 minutes I might get full H+ and after that no signal (wtf)).
I am not sure whether it is a software or hardware fault and wanted to downgrade back to Gingerbread.
Any help is apreciated.
b4rdarian said:
Hello from me! My first post!!!
Well I was wandering how can I flash the sammobile dowloaded firmware with Odin3. I mean full flash so I can change the phone and CSC not only the pda. Because what I get from sammoblie is a one file bundle *.tar.md5 .
- Just in case, I recently bought from ebay a GT-9100 locked with T-Mobile and stocked with Gingerbread. I am not a customer of T-Mobile so I unlocked it and upgraded it to latest firmware 4.0.4
- The problem is the signal strength is very poor (but not always - sometimes, for about 10 minutes I might get full H+ and after that no signal (wtf)).
I am not sure whether it is a software or hardware fault and wanted to downgrade back to Gingerbread.
Any help is apreciated.
Click to expand...
Click to collapse
tar.md5 is complete rom with modem and csc togather using odin just place the tat file in pda and flash.
Cosmic Blue said:
tar.md5 is complete rom with modem and csc togather using odin just place the tat file in pda and flash.
Click to expand...
Click to collapse
Any idea on the second part of my problem?
Plus, when I flashed Gingerbread I got stuck in set up wizard due to errors. And I was not able to factory reset the phone.
b4rdarian said:
Hello from me! My first post!!!
Well I was wandering how can I flash the sammobile dowloaded firmware with Odin3. I mean full flash so I can change the phone and CSC not only the pda. Because what I get from sammoblie is a one file bundle *.tar.md5 .
- Just in case, I recently bought from ebay a GT-9100 locked with T-Mobile and stocked with Gingerbread. I am not a customer of T-Mobile so I unlocked it and upgraded it to latest firmware 4.0.4
<snip>
Click to expand...
Click to collapse
T-Mobile where? In Europe? Or the US?
ctomgee said:
T-Mobile where? In Europe? Or the US?
Click to expand...
Click to collapse
b4rdarian said:
Hello from me! My first post!!!
Well I was wandering how can I flash the sammobile dowloaded firmware with Odin3. I mean full flash so I can change the phone and CSC not only the pda. Because what I get from sammoblie is a one file bundle *.tar.md5 .
- Just in case, I recently bought from ebay a GT-9100 locked with T-Mobile and stocked with Gingerbread. I am not a customer of T-Mobile so I unlocked it and upgraded it to latest firmware 4.0.4
- The problem is the signal strength is very poor (but not always - sometimes, for about 10 minutes I might get full H+ and after that no signal (wtf)).
I am not sure whether it is a software or hardware fault and wanted to downgrade back to Gingerbread.
Any help is apreciated.
Click to expand...
Click to collapse
I have the exact same problem, UK, Tmobile/EE

Completely stock

Hi guys, I put a custom rom on my s3 and hated it after a week in the mean time my laptop with my back up has died and is inaccessible. Now I have downloaded about 10 stock roms that are apparently for the international s3 and not one of these has worked with keis or let me updated ota also triangle away does not work have done it 3 times and it never resets to 0. What I'm asking is can someone point me to a proper official stock rom. a couple of the ones I have downloaded have also had hidden apks that installed after reboot
Sent from my GT-I9300 using Tapatalk 2
Did you root before running triangle away. Just download the latest firmware from sammobile.com
Then, root your phone and run triangle away. Once finished start up in download mode and flash your new firmware with odin.
Wipe everything and the phone should be back to stock.
Try this site www.sammobile.com u will find the official stock rom for ur country. Search in firmware option
Sent from my GT-I9300 using xda app-developers app
I've used Sam mobile non of them firmwares were any good. Yes phone was rooted before I used triangle away. I got my phone from phones 4 u and it was unbranded so it's not any of the firmwares from Sam the current firmware I have is from Sam and when I plug it into Kies it says (kor) now does that mean it's a Korean version
Sent from my GT-I9300 using Tapatalk 2
robdebob81 said:
I've used Sam mobile non of them firmwares were any good.
Click to expand...
Click to collapse
lol
sammobile is where all the roms come from
Try with siyah kernel.
robdebob81 said:
I've used Sam mobile non of them firmwares were any good. Yes phone was rooted before I used triangle away. I got my phone from phones 4 u and it was unbranded so it's not any of the firmwares from Sam the current firmware I have is from Sam and when I plug it into Kies it says (kor) now does that mean it's a Korean version
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Well its a simple question if it is a I9300 of putting back your original firmware you saved .
Or using the Kies recover to original method>> for that search it may be a recent post this week . Sorry i dont know dont use Kies .
jje
If you are worried about KIES, just use the "UPGRADE/INITIALIZATION EMERGENCY FIRMWARE" under tools section, enter your model, GT-I9300 in this cas, in capitals, and in the next dialog fill in your S/N, again in capitals.
Then KIES will download your carriers firmware and VOILÁ!!!
1 - Fresh new install (and completely stock).
2 - CSC matches with Samsung's stored database of serials.
ADD: I would recommend to do a reset factory settings first, as this method will left it's traces if you do not so.
worf_1977 said:
If you are worried about KIES, just use the "UPGRADE/INITIALIZATION EMERGENCY FIRMWARE" under tools section, enter your model, GT-I9300 in this cas, in capitals, and in the next dialog fill in your S/N, again in capitals.
Then KIES will download your carriers firmware and VOILÁ!!!
1 - Fresh new install (and completely stock).
2 - CSC matches with Samsung's stored database of serials.
ADD: I would recommend to do a reset factory settings first, as this method will left it's traces if you do not so.
Click to expand...
Click to collapse
Gonna try this now:thumbup:
Sent from my GT-I9300 using Tapatalk 2

[Q] Galaxy S3 to stock - No cell conenction

I have been using custom roms for 2 years. Decided to go stock. I am in Australia, and my Galaxy S3 (T) is bought through a group called Crazy Johns, but they are owned by Vodafone.
I found a stock ROM:
I9300XXEMC2_I9300OXAEMC2_BTU
I flashed it successfully, and all starts up nicely. However, I can't get any cellular data. No calls... no data.
I manually try to connect to Vodafone network in the Network settings, but then get told "Vodafone unavailable".
I then tried to download a new modem, hoping that was the issue.
I got one called modem_RIL_CWM_I9300TDUEMB1
No luck.
I then thought, OK, maybe Vodafone isn't allowing my pone on the network, because the firmware isn't a Vodafone official one? But, that can't be right. I could have bought my phone from outside Australia.
Funny thing is, when I got the phone, it shows 'Crazy Johns' on the settings screen. Now, I have no mention of Crazy Johns. Is it modem related?
Were you on a MG4 firmware before?
Alex---1 said:
Were you on a MG4 firmware before?
Click to expand...
Click to collapse
I'm not sure. I was using Omega 43.9 firmware version before, and it was working fine.
Details on their page are:
Based on firmware XXEMG5 Android 4.1.2 (Date: 17/07/2013)
Kernel Stock XXEMG5
Modem DDEMG2
Multi 130 csc set to EUR
I see an 'MG5' there.
Could this be an issue?
Cralis said:
I'm not sure. I was using Omega 43.9 firmware version before, and it was working fine.
Details on their page are:
Based on firmware XXEMG5 Android 4.1.2 (Date: 17/07/2013)
Kernel Stock XXEMG5
Modem DDEMG2
Multi 130 csc set to EUR
I see an 'MG5' there.
Could this be an issue?
Click to expand...
Click to collapse
Not sure if this is the same for MG5 but here are the issues MG4 causes which sounds a lot like what you have?
http://forum.xda-developers.com/showthread.php?t=2377731
Dial *#06# and see if you're IMIE number starts with '0049'
Yes. You.must stick with the mg2 or mg4 baseband now. Mg5 rom comes with mg2 baseband. Mg4 rom comes with mg4 baseband
Sent from my GT-I9300 using Tapatalk 4
---------- Post added at 01:40 AM ---------- Previous post was at 01:39 AM ----------
Alex---1 said:
Not sure if this is the same for MG5
Click to expand...
Click to collapse
Yes it is
Sent from my GT-I9300 using Tapatalk 4
Thanks captain!
Solved!
Found a modem:
http://forum.xda-developers.com/showpost.php?p=44078538
And hey presto!
Thanks man! :good:
Cralis said:
Thanks captain!
Solved!
Found a modem:
http://forum.xda-developers.com/showpost.php?p=44078538
And hey presto!
Thanks man! :good:
Click to expand...
Click to collapse
Just a note to anyone reading this.... this modem contains a RIL so do not flash on AOSP.
Sent from my GT-I9300 using Tapatalk 4
Mg5 and mg4 are the latest modem. If you were on it you can't go on the older one. You have to do 2 thinks: if you have the efs backup do restore, it's contain your imei, because now you lost it, or flah the mg4 or mg5 modem. But you find everything on the s3 general section.
Sent from my GT-I9300 using xda app-developers app
charlyboy1 said:
Mg5 and mg4 are the latest modem. If you were on it you can't go on the older one. You have to do 2 thinks: if you have the efs backup do restore, it's contain your imei, because now you lost it, or flah the mg4 or mg5 modem. But you find everything on the s3 general section.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Mg2 and mg4 are the latest modems which come with mg5 and mg4 rom.
Also it appears its flashing the rom that modifies efs now. Flashing modem alone does nothing
Sent from my GT-I9300 using Tapatalk 4
rootSU
Any chance you could help me out? I started a thread yesterday with my own problems with a couple of replies but nothing that really explained how to solve my problem.
I flashed a MIUI rom based on CM10.1 with a baseband I9300XXDLI8, because of wifi problems decided to go back to stock I9300OXAALE8 (BTU)
Had the messed up IMEI problem but my EFS backup I made in Dec 12 is only 32kb! Copied all files to efs folder on phone and got my IMEI number back but phone wouldn't accept my contract 3UK sim (no network - emergency calls etc) but would my O2 PAYG sim.
I flased a custom rom (GlamourS4) and ended up with baseband I900DDEMG2 and build I900XXUFME7. I was advised to reflash because my baseband was different to my firmware, downloaded latest BTU from sammombile and phone now reads:
Baseband I9300XXEMG4 - Build I9300XXEMG4 but I'm still having problems with my phone not accepting my 3 sim but ok with O2 sim. Phone is on 3 contract by the way.
Sorry to hijack someone's thread but getting a little desperate, old age is creeping in and I'm honestly finding it difficult to understand the talk about modems etc.My original help request is HERE and has screen shots if it's any help. Thanks in advance
Thread moved to proper forum.

[Q] A little guidance needed

Flashed what I thought was a generic rom to a samsung galaxy s3 i9300 using odin. I downloaded what I thought was a generic rom but in fact, it was a vodafone UK rom. The phone was bought sim free from phones 4 u and it needs to go back. The rom version when the phone was bought was 4.1.2 Jelly Bean so I need to install a generic rom. Its also coming up on samsung kies with " your device current firmware is not supported kies". I dont think that when I take it in to be fixed that they will plug the phone into samsung kies but they will check the binary counter which is now clear because I have flashed it with the vodafone rom. I know there are older roms but I would appreciate it if someone can link me up to a generic rom. Any help and advice with this will be very much appreciated. Thanks in advance guys :good:
Sammobile, choose btu and factory reset in recovery after flashing.
Sent from my GT-I9300 using Tapatalk
boomboomer said:
Sammobile, choose btu and factory reset in recovery after flashing.
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
Thanks boomboomer :good:

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