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[Q] Galaxy S does not show any carrier signal after factory reset

I had successfully unlocked my galaxy s using the procedure suggested on the related XDA forum.. the phone worked fine with a different network later on i accidently clicked the factory reset option.. now although the phone says its unlocked but i cannot see any network signal and the phone does not work on any sim card.
Pls can someone help
PS: I can switch on the phone and perform all other functions.

asif1981 said:
I had successfully unlocked my galaxy s using the procedure suggested on the related XDA forum.. the phone worked fine with a different network later on i accidently clicked the factory reset option.. now although the phone says its unlocked but i cannot see any network signal and the phone does not work on any sim card.
Pls can someone help
PS: I can switch on the phone and perform all other functions.
Click to expand...
Click to collapse
I could not say for sure because I don't know what process you used, but I Would say you just may need to downlaod the Factory TAR file using oden into your phone. Just make sure you Don't use the PIT file when you do it. Look in the Android Development section for the Tar file and the process of using Oden.

thanks for the reply.. did try loading just the tar files using odin but still no progress... another info, when i turn on the phone the notification drop-down does show the name of the network and says no service.. does that ring a bell ??

Cracked it !!
turns out that the software factory reset isn't all that effective and i tried the the hard reset by entering the code *2767*3855#... it worked like a charm and this time I had the carrier signal !!!!

asif1981 said:
turns out that the software factory reset isn't all that effective and i tried the the hard reset by entering the code *2767*3855#... it worked like a charm and this time I had the carrier signal !!!!
Click to expand...
Click to collapse
Good to hear you resolved your issue.

Hi, is having a corrupted IMEI prohibits you from getting network signal? I have weird IMEI characters (not numbers) after unlocking SGS4G and I cannot get any netwrok signal. Hope you can advise me what to do or check. I have exactly the sasme IMEI with this post.
http://forum.xda-developers.com/showthread.php?t=1030728&highlight=imei

hey man. try this and see if it helps at all:
http://forum.xda-developers.com/showthread.php?t=1142829

jager555 said:
hey man. try this and see if it helps at all:
http://forum.xda-developers.com/showthread.php?t=1142829
Click to expand...
Click to collapse
Hi Jager555, do you think it would be wise to try it out. I am not that confident to try it out because we have a different IMEI situation and I am afraid to brick another phone (bricjed captivate before). That is why I am waiting for someone to update the toher thread because that thread has the same IMEI that I have. If I won't be bricking my phone, then I would more than happy to try it out.

did you try disabling wifi calling? Same thing happened to me
Sent from my SGH-T959V using XDA Premium App

i cant guarantee that you wont brick your phone. its just something to try. as ricky said, disable the wifi and see if that helps, but if not, your phone doesnt work either way. im not sure if you can flash another rom and see if that helps too.
the thread i posted said "I recently used one of the unlocking tools that are available on the Android market, and one of them screwed up my IMEI so badly (it contained garbage characters, not just numbers)"
i figure thats the problem you have. if you dont want to try it, bump this thread and try to get a response from the smarter people. lol. im still a noob, good luck! i hope you get it fixed soon.

IMEI Messed up, help please!

I was told to post here so:
Hi,
Yesterday I flashed a custom ROM , the rom somehow messed up my IMEI number.
Then i went back to the forum and found out that everyone who flashed the rom got his IMEI messed up and we all got the same IMEI now, i still have calls working but im afraid they will stop working soon, i know what was my original IMEI, can anyone help us please. (Heres the rom i flashed: http://forum.xda-developers.com/showthread.php?t=1034130)
I saw that the devs on samsung captivate managed to restore their imeis, there should be a way to do that to the nexus s.

Same Problem with my phone...

same here
I'm restore my backup .. and nothing change
and imei still changed :S

Same here, i think the phone is as good as network dead.

Hi all, I also was unfortunate to flash this rom resulting in the changed imei issue. My Phone was displaying emergency calls only and i was unable to connect to data services. I used Odin to flash back to stock GRH 78 ticking the phone efs clear box . After rebooting i checked my imei number but it still displays the wrong number. However my phone now connects to the network and i can make and recieve calls and data is enabled. Not a full fix and i am not sure for how long it will work but definately an improvement on the very expensive paperweight i had. Hopefully a full fix will come soon.

Trying that~!
UPDATE :
Nope Odin again didn't help.

Isn't it kinda stupid to discuss this in not only one or two but four threads? I get it, you guys want a fix and I feel with you, but having four threads will only cause confusion.
How about you all agree on one and work together to fix it instead of dividing your efforts?
Sent from my Nexus S using Tapatalk

bloodhawk said:
Trying that~!
UPDATE :
Nope Odin again didn't help.
Click to expand...
Click to collapse
Sorry to hear that worked for me. I'm in UK on vodafone network. Lets hope a solution is found real soon.

james7dean said:
Sorry to hear that worked for me. I'm in UK on vodafone network. Lets hope a solution is found real soon.
Click to expand...
Click to collapse
Can you explain what version of Odin you used - Odin3 v1.8 ??
What rom did you flash stock GRH78 ??
Did you use a .pit file and if yes which one ??
What boxes were ticked and de-ticked in Odin ??
Cheers mate

Hi,
I used odin 3v1.8 and the stock GRH 78 rom. I opened odin and loaded the
bootloader, Pda and scs files and ticked the phone efs clear box ,this was the only box i manually ticked all other boxes were left in their default state. i did not have a pit. file. Previous to using odin I had just unlocked my bootloader as it was locked. Odin won't work with bootloader locked all atempts to access download mode were met with a unlock bootloader screen.
After flashing I checked my emei no. but was disappointed to find no change. I then checked for system updates and clicked on the update which started to download. It then suddenly dawned on me that i had not linked my phone to my router and that data was enabled. I cancelled the Gingerbread update and went into notifications and saw my network instead of the previous Emergency Calls Only. A quick phone call verified that my phone was now connecting to the network. I then connected to wifi and installed the update.
I am still stuck with the wrong emei but can now connect to the network and
have restored my favourite rom from a nandroid. The only issue i now have is the
wrong emei but for now my phone functions perfectly

RisinT96 said:
Yesterday I flashed a custom ROM , the rom somehow messed up my IMEI number.
Click to expand...
Click to collapse
Probably something messed with your /efs partition.
james7dean said:
I used odin 3v1.8 and the stock GRH 78 rom. I opened odin and loaded the bootloader, Pda and scs files and ticked the phone efs clear box ...
Click to expand...
Click to collapse
Why did you have to do that? I don't assume you have a backup of /efs, do you?
james7dean said:
The only issue i now have is the wrong emei but for now my phone functions perfectly
Click to expand...
Click to collapse
I wonder how long it'll work ...
Y'all could try to look in the forums of the various Samsung Galaxy S variants, AFAIK there are ways to restore your IMEI on this kind of Samsung phone, maybe they apply to the Nexus S as well.

[Q] No service/ roaming after root and AOKP install

I really apologize if this has been posted/ answered before (which I hope it has). The search feature is currently down on the site it appears and I have not been able to find a solution:
Some background:
I followed the instructions herehttp://forum.xda-developers.com/showthread.php?t=1762709
Installed AOKP and google apps and noticed that I had no reception whatsoever.
I did a nandroid restore and had occasional 4g but still no verizon service at all. I did some digging around and all indications seemed to point to my lost imei. I then followed the instructions to repair my imei via QPST.
I now have my imei back, but still practically no mobile network or 4G with occasional roaming. I tried to factory reset via the " *#22745927, then
and ##786#, but have had no luck.
Can anyone help me out?
I'm pretty bummed.
Thanks in advance.

The proper number to reprovision is *2767*3855#

Zalithian said:
The proper number to reprovision is *2767*3855#
Click to expand...
Click to collapse
I have also tried that to no avail.

What do you mean by to no avail? The number did not work, or it did a factory reset and you still have data problems?

Zalithian said:
What do you mean by to no avail? The number did not work, or it did a factory reset and you still have data problems?
Click to expand...
Click to collapse
Sorry for any ambiguity. I did the factory restore and still have no service or data. Maybe 1 bar of roaming that does not allow me to connect.

mcgull said:
Sorry for any ambiguity. I did the factory restore and still have no service or data. Maybe 1 bar of roaming that does not allow me to connect.
Click to expand...
Click to collapse
Hmm. Not sure what to tell you. You didn't dial *228, did you? Hope not. If you did, you could have messed up your SIM, and a new one would be the fix for that.
Not really remembering anyone else who fixed their IMEI and couldn't even get a solid connection after a provision.

Zalithian said:
Hmm. Not sure what to tell you. You didn't dial *228, did you? Hope not. If you did, you could have messed up your SIM, and a new one would be the fix for that.
Not really remembering anyone else who fixed their IMEI and couldn't even get a solid connection after a provision.
Click to expand...
Click to collapse
No, I saw not to dial 228.

The phone info app is the last thing I can think of. You might be on the wrong network setting.

Zalithian said:
The phone info app is the last thing I can think of. You might be on the wrong network setting.
Click to expand...
Click to collapse
(Screen shot attached)

mcgull said:
(Screen shot attached)
Click to expand...
Click to collapse
Not sure what else you can do. This tool can fix your ERI so you're not roaming - but not sure what else. Looks like you might need a new SIM or something.
http://forum.xda-developers.com/showthread.php?t=1867442 Did you confirm your IMEI is the exact same # as on your battery slot?

Zalithian said:
Not sure what else you can do. This tool can fix your ERI so you're not roaming - but not sure what else. Looks like you might need a new SIM or something.
http://forum.xda-developers.com/showthread.php?t=1867442
Click to expand...
Click to collapse
Hmmm. Thanks for your help. Do you know if I can go in and tell them my sim is busted, will they just give me a new one? Or do I need to return it totally to stock first?

mcgull said:
Hmmm. Thanks for your help. Do you know if I can go in and tell them my sim is busted, will they just give me a new one? Or do I need to return it totally to stock first?
Click to expand...
Click to collapse
Go to stock. http://forum.xda-developers.com/showthread.php?t=1867253

A couple follow up Q's
Zalithian said:
Go to stock. http://forum.xda-developers.com/showthread.php?t=1867253
Click to expand...
Click to collapse
So I went to verizon and they gave me a new sim card which restored my data, but I am stuck on roaming now (which looks like it probably just cosmetic). I see that other people have this issue as well and the fix doesn't appear to be in yet.
My question is: If I want to go back and root and install a custom rom, which step do we think is the culprit for losing my imei? Is there a way I can prevent that from happening?
Also, do you think it probably make more sense for people to remove the sim cards through the root/ flashing process?
P.S. my ERI verision reads "none" does this contribute to the roaming in any way?

mcgull said:
P.S. my ERI verision reads "none" does this contribute to the roaming in any way?
Click to expand...
Click to collapse
Yep
[Tool][Win] Repair IMEI & Roaming ERI issues
http://forum.xda-developers.com/showthread.php?t=1867442

MEID repair not responding
Jay Evans said:
Yep
[Tool][Win] Repair IMEI & Roaming ERI issues
http://forum.xda-developers.com/showthread.php?t=1867442
Click to expand...
Click to collapse
Update: Went to verizon, after odin'ing to stock. They gave me a new sim card. I configured the phone to allow roaming, etc. I have fine cellular reception (although it still always thinks I am roaming) but my data is really spotty. The data doesn't work at all where I work. I have managed to restore my imei but my ERI restoration does not appear to have worked. I tried it with revskills and went all the way through the steps but it still reads "none" under the version, even after I changed the sixes to sevens, so to speak. I then tried to use the Samsung MEID repair tool by Xda http://forum.xda-developers.com/showthread.php?t=1867442&highlight=connect but every time I tried to "connect" the program would not respond and need to be force closed. I tried it on XP and windows 7 with the same results. It seems like there were other people with the same problem but I wasn't sure what the end result was.
Any insights or suggestions would be appreciated.

Anyone?

Same thing here. Benn running Codename Android 3.6.6 for a few days and today after I came out of airplane mode, I can not get any data service and when I try to make a call I am told my account inst authorized to call the number. Tried a nandroid backup and I tried wiping data/factory reset and reinstalling Synergy and Codename both, and still not getting anywhere.
*2767*3855# isn't doing anything in the dialer either, just sits there.

Anyone available to guide through IMEI recovery?

I installed hellsROM and things were going good, but i decided to install vrblk3 because of signal issues and lost my IMEI in the process. .. I have followed the steps and it doesn't seem to want to recognize my phone... I feel like i have the drivers already I guess maybe I need to try to redownload... but if someone could direct message me or something and kind of help me through this process i'd be eternally grateful...

http://forum.xda-developers.com/showthread.php?t=1867442

ddurandSGS3 said:
http://forum.xda-developers.com/showthread.php?t=1867442
Click to expand...
Click to collapse
I know man I'm following that thread and i don't know if the drivers aren't installed corrently or what.. my cpu recognizes my phone but not the tool

never had to do it, cant really offer much help, sorry.
just figured id post that to see if you had seen it.
hopefully someone else has a better answer for you.

ddurandSGS3 said:
never had to do it, cant really offer much help, sorry.
just figured id post that to see if you had seen it.
hopefully someone else has a better answer for you.
Click to expand...
Click to collapse
thanks man

wow.. no wonder those things are stickied.. So the first time I tried using the tool it wouldn't connect to my phone and the tool would freeze. This time it instantly found it and i repaired it.. .I'm now installing cm10.1 to switch setting and see if thats why i still have no service

kickenwing13 said:
wow.. no wonder those things are stickied.. So the first time I tried using the tool it wouldn't connect to my phone and the tool would freeze. This time it instantly found it and i repaired it.. .I'm now installing cm10.1 to switch setting and see if thats why i still have no service
Click to expand...
Click to collapse
Ihave no service.. .it says service state: out of service. I do have my restored IMEI, but I have no service.. I restored to stockrooted66 or whatever.. I then ran the IMEI repair steps, then tried the factory reset.. no louck. unlocked bootloader created back up and installed cm10.1 to toggle from rui or something.... typical. If i mess something up during an installation sometimes verizon suspends my account and i call the 877 number to activate 4g service and it tells me that it's suspended and press one to activate.. So i activated and this is the first time i haven't got service.... I am kind of freaking out.. it says it could take up to an hour but the slowest it's been is like 5 minutes... No lluck .. i'm freaking out a bit. why can't i get service...

check to make sure your network settigns are correct in the more settings area.

ddurandSGS3 said:
check to make sure your network settigns are correct in the more settings area.
Click to expand...
Click to collapse
it all said lte,cdma and all that.. as far as the other stuff i am not sure what else it's supposed to look like .

kickenwing13 said:
it all said lte,cdma and all that.. as far as the other stuff i am not sure what else it's supposed to look like .
Click to expand...
Click to collapse
okay anyone else that runs into this.. I lost imei after trying to install a radio.. so I did the restore. It worked flawlessly ... Unfortunately lost data. This has happened before.. a lot... so I decided to install cm10.1 and switch the mobile network . this didn;t work.. I called verizon to activate 4g account because in the past they have suspended my account and that was the only reason i still didnt have service.. .So it was in fact suspended... i activated.. still no data.. reflashed root66.tar again.. did the code. and i'm good now..

kickenwing13 said:
okay anyone else that runs into this.. I lost imei after trying to install a radio.. so I did the restore. It worked flawlessly ... Unfortunately lost data. This has happened before.. a lot... so I decided to install cm10.1 and switch the mobile network . this didn;t work.. I called verizon to activate 4g account because in the past they have suspended my account and that was the only reason i still didnt have service.. .So it was in fact suspended... i activated.. still no data.. reflashed root66.tar again.. did the code. and i'm good now..
Click to expand...
Click to collapse
Yeah those " other settings that I didn't know what they were supposed to be" were the only ones that mattered. CDMA subscription > ruim/sim
Sent from my SCH-I535 using xda app-developers app

SC-06D mobile data

After I flashed my SC-06D to stock ROM SC06DOMBMK2
whenever I turn on mobile data, it's always stuck on "edge"
i've installed opensignal to restart rather than turning on/off the device...
but still..
i already set an APN though..
any way how to fix this?
Thanks....

So I actually the imei is corrupted (0)
how can i fix this?
i've searched online..
but the tuts doesnt match the situation i have...
i cannot also enter to eng. mode...

Meqadark said:
So I actually the imei is corrupted (0)
how can i fix this?
i've searched online..
but the tuts doesnt match the situation i have...
i cannot also enter to eng. mode...
Click to expand...
Click to collapse
What do you mean "IMEI is corrupted"? Showing Fake IMEI?
Also, what do you mean "eng. mode"?
I replied on your other thread just about twenty minutes after this post. I think you are waiting for my reply but you are doing action that ending yourself in IMEI problem. My post 6 hours ago on your other thread is posted when I was in school, during break time.
Sent from my ASUS_Z00AD

krasCGQ said:
What do you mean "IMEI is corrupted"? Showing Fake IMEI?
Also, what do you mean "eng. mode"?
I replied on your other thread just about twenty minutes after this post. I think you are waiting for my reply but you are doing action that ending yourself in IMEI problem. My post 6 hours ago on your other thread is posted when I was in school, during break time.
Sent from my ASUS_Z00AD
Click to expand...
Click to collapse
after i flashed it back to stock rom i rooted it afterwards.. then just that,
my imei is showing 0/01
yeah i've just read it..
unfortunately i dont have a back up of my IMEI TT^TT
Engineering mode..
i kinda followed tuts from this forum and online, but no luck :/
am i screwed?
thanks for help btw

Meqadark said:
after i flashed it back to stock rom i rooted it afterwards.. then just that,
my imei is showing 0/01
yeah i've just read it..
unfortunately i dont have a back up of my IMEI TT^TT
Engineering mode..
i kinda followed tuts from this forum and online, but no luck :/
am i screwed?
thanks for help btw
Click to expand...
Click to collapse
And then you have screwed up your device that ending into a Fake IMEI.
Moderators, please close this thread now.
Sent from my ASUS_Z00AD

Somehow I managed to recover my IMEI
I went to repair now the imei is there....
But there are still two things that keeps buggin' me..
1 is whenever I turn on the mobile data...it's still stuck on edge...
2 is my efs folder still has no content( before and after repair)
Edit: turns out my device was unrooted, thats why efs has no content in it,