[Q] Network Not Registered. Already read a lot of posts - Galaxy S III General

I've got a hard problem... I had to change my i9300 motherboard because of a power issue, and at the beginning everything worked just fine. I installed a different rom and everything looked fine as well. When I wanted to send a text message, I noticed there was no network. I can't get it to work now. The IMEI on the back of the phone is differente from the imei that shows pressing *#06# but it's weird because in the beginning I could even call and send text messages. I've tried different roms and nothing. I've only got a backup of the efs folder from the previous motherboard... There's no "0000" or "0049" What can I do?

haraop said:
I've got a hard problem... I had to change my i9300 motherboard because of a power issue, and at the beginning everything worked just fine. I installed a different rom and everything looked fine as well. When I wanted to send a text message, I noticed there was no network. I can't get it to work now. The IMEI on the back of the phone is differente from the imei that shows pressing *#06# but it's weird because in the beginning I could even call and send text messages. I've tried different roms and nothing. I've only got a backup of the efs folder from the previous motherboard... What can I do?
Click to expand...
Click to collapse
You say you swapped the mainboard, in that case the imei will be different to what is on the phone, you will have a new NAND chip, therefore a new /efs folder. Try flashing a stock rom again, if you see the same issue it's probably an efs issue, which will require another motherboard swap. However if it works, it's probably something to do with the rom you flashed, or an efs/modem incompatability issue.

delsus said:
You say you swapped the mainboard, in that case the imei will be different to what is on the phone, you will have a new NAND chip, therefore a new /efs folder. Try flashing a stock rom again, if you see the same issue it's probably an efs issue, which will require another motherboard swap. However if it works, it's probably something to do with the rom you flashed, or an efs/modem incompatability issue.
Click to expand...
Click to collapse
Now it DOES show 0049 I'm downloading a stock right now.

haraop said:
Now it DOES show 0049 I'm downloading a stock right now.
Click to expand...
Click to collapse
It's always best to check a stock ROM first, some issues get resolved with that (for instance if a file in a custom rom was corrupted.)
Sent from my GT-I9300 using Tapatalk

delsus said:
It's always best to check a stock ROM first, some issues get resolved with that (for instance if a file in a custom rom was corrupted.)
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
It didn't work :/

haraop said:
It didn't work :/
Click to expand...
Click to collapse
In that case you probably have a corrupt efs, without a backup of the efs on your current motherboard you will need another replacement, did you swap the board yourself, or did a service centre swap it for you?
Sent from my GT-I9300 using Tapatalk

try install ics stock rom..if not work, u just same like me..send for repair..just jtag the phone and problem solved...

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Please help me! my phone is screwed

Hey I'm from india and own an i9500
bought 5 months ago
I was using my phone normally and flashed a stock rom with ODIb
the phone booted up.
The problem is that I have emergency calls only and my IMEI has been changed to Fake IMEI
1) my phone is out of warranty as some moisture traces have gone into iy and samsung asks for 200$ for every small problem they need to change the board
2) I don't think so I have the EFS backup
Please Oh please someone guide me what to do?
usama492 said:
Hey I'm from india and own an i9500
bought 5 months ago
I was using my phone normally and flashed a stock rom with ODIb
the phone booted up.
The problem is that I have emergency calls only and my IMEI has been changed to Fake IMEI
1) my phone is out of warranty as some moisture traces have gone into iy and samsung asks for 200$ for every small problem they need to change the board
2) I don't think so I have the EFS backup
Please Oh please someone guide me what to do?
Click to expand...
Click to collapse
There's a thread on that here. You could try that, but I think that without a backup, it's going to be pretty hard to get it back up. First thing I do when I get a new phone is to backup the EFS.
http://forum.xda-developers.com/showthread.php?t=2346136
no help man.
any other help please anyone?
Flashing a different stock rom did not help?
usama492 said:
no help man.
any other help please anyone?
Click to expand...
Click to collapse
Did you actually tried to flash your original Stock ROM with Odin? If not, try other stock ROMs.
There's another ref link here: http://forum.xda-developers.com/showthread.php?t=2393289
I recommend you read through that thoroughly.
Cloxed said:
Did you actually tried to flash your original Stock ROM with Odin? If not, try other stock ROMs.
There's another ref link here: http://forum.xda-developers.com/showthread.php?t=2393289
I recommend you read through that thoroughly.
Click to expand...
Click to collapse
Yes I did flash the stock rom with ODIN which I successively used before
I read it but this is actually getting impossible for me.
After the phone shows generic IMEI.
will backing up the efs help now?
Also I flashed CM 10.
that also didn't give me back my IMEI.
really appreciate your help
and would be really grateful if someone guides me through this catastrophe.
Also I forgot to mention that I update to stock MJ5 4.3
I read that it changes the directory of efs?
Please someone help me!
usama492 said:
Also I forgot to mention that I update to stock MJ5 4.3
I read that it changes the directory of efs?
Please someone help me!
Click to expand...
Click to collapse
Since you updated to mj5 you'll have to use that firmware version in odin.
maybe
Maybe you could wipe Dalvik and cache memory, then do a factory reset through the recovery menu. This will reset everything of your phone, so your IMEI should go back to it's real number(you'll lose all your data so make a backup before doing it).
Have you also tested if it's not the SIM that doesn't work by putting it into another cell-phone?
Eastkap said:
Maybe you could wipe Dalvik and cache memory, then do a factory reset through the recovery menu. This will reset everything of your phone, so your IMEI should go back to it's real number(you'll lose all your data so make a backup before doing it).
Have you also tested if it's not the SIM that doesn't work by putting it into another cell-phone?
Click to expand...
Click to collapse
Sim isn't the problem.
Also wipin dalvik Cache might now fix the problem. But I will try it
thanks
any more suggestion?
A factory reset/wipe Dalvik ain't magically fixing this. If you've gone back to stock (a rom released by your carrier) & your IMEI hasn't returned & you have no backup, you're boned. Service centre (more expensive option), or ask around local mobile repair shops; they might be able to help more cheaply.

No signal - Can't connect to network

Hey guys I'm having a little problem with my GT-i9505. Problem being that I cannot get any reception on my device. It first occurred when I flashed a 4.3 rom over my 4.4.2 rom. I've tried switching to several different roms, both 4.3 and 4.4, yet none can fix the problem. I've tried to flash at least a dozen modem's in a bid to fix it. I searched for the modem suitable to my device and yet they still didn't work. I even tried to just install the official Samsung 4.4.2 rom via Odin, yet I'm still having the same problem. My baseband does change whenever I flash a new modem, but I still cant get a signal. When I try to search for a network in settings it lists the main carriers in the UK, but when I try to select mine (3 UK) it doesn't allow me to register, clicking select automatically yields the same results too. I've been searching for hours today on how to fix this, but just can't seem to find a method that helps. Any suggestions?
Have you tried manually entering the APN settings for 3 UK?
Sent from my GT-I9505 using XDA Premium 4 mobile app
How I repaired my S4
Worbit Jiminage said:
Hey guys I'm having a little problem with my GT-i9505. Problem being that I cannot get any reception on my device. It first occurred when I flashed a 4.3 rom over my 4.4.2 rom. I've tried switching to several different roms, both 4.3 and 4.4, yet none can fix the problem. I've tried to flash at least a dozen modem's in a bid to fix it. I searched for the modem suitable to my device and yet they still didn't work. I even tried to just install the official Samsung 4.4.2 rom via Odin, yet I'm still having the same problem. My baseband does change whenever I flash a new modem, but I still cant get a signal. When I try to search for a network in settings it lists the main carriers in the UK, but when I try to select mine (3 UK) it doesn't allow me to register, clicking select automatically yields the same results too. I've been searching for hours today on how to fix this, but just can't seem to find a method that helps. Any suggestions?
Click to expand...
Click to collapse
Take your S4 to a repair shop. Use Phil,s recovery when you re-root, install Omega ROM or another Samsung based ROM and, using Philz Touch 6 recovery, make a copy of your EFS file so if / when it happens again you can reinstall Omega or whichever ROM you installed and, using Philz recovery, you can reinstall your EFS file.
To make the backup, reboot recovery - backup and restore - custom backup - x (only in efs backup) - start custom backup - choose where to put the backup.
I use Omega as a reference because I know it will not screw up your EFS file.
HANDSY said:
Have you tried manually entering the APN settings for 3 UK?
Sent from my GT-I9505 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Hi thanks but I've tried that already and it still doesn't seem to work :/
amasiam said:
Take your S4 to a repair shop. Use Phil,s recovery when you re-root, install Omega ROM or another Samsung based ROM and, using Philz Touch 6 recovery, make a copy of your EFS file so if / when it happens again you can reinstall Omega or whichever ROM you installed and, using Philz recovery, you can reinstall your EFS file.
To make the backup, reboot recovery - backup and restore - custom backup - x (only in efs backup) - start custom backup - choose where to put the backup.
I use Omega as a reference because I know it will not screw up your EFS file.
Click to expand...
Click to collapse
Is there a way to fix this without having to spend anything? I literally can't afford to take it to a repair shop at this time
Also, my IMEI still shows as it should (corresponds with the IMEI on the back of my phone)
New efs
Worbit Jiminage said:
Also, my IMEI still shows as it should (corresponds with the IMEI on the back of my phone)
Click to expand...
Click to collapse
I had the same problem with my i9500 after flashing a Slim rom Perhaps you can get a copy of an efs file from someone with the same phone and then put it on your phone, or get the information you need from your phone company.
,
amasiam said:
i had the same problem with my i9500 after flashing a slim rom perhaps you can get a copy of an efs file from someone with the same phone and then put it on your phone, or get the information you need from your phone company.
Click to expand...
Click to collapse
im really really desperate to get mine fixed also with the same problem, my imei is ok but not getting any signal at all, no matter what i try or how many sims i've tried
dorian2kx said:
im really really desperate to get mine fixed also with the same problem, my imei is ok but not getting any signal at all, no matter what i try or how many sims i've tried
Click to expand...
Click to collapse
Did you try to remove the SIM CARD and switch off /on the phone to clean internal SIM register and to reinsert your SIM card again?
This worked for me once.
Nothing is wrong with my Sim slot cause when my sim card is in i can see my network name Wen I slide down status bar, only that no signal at all
what do you see
dorian2kx said:
Nothing is wrong with my Sim slot cause when my sim card is in i can see my network name Wen I slide down status bar, only that no signal at all
Click to expand...
Click to collapse
What do you see when you look at the phone status in settings - about phone?
,
This is what I see
dorian2kx said:
This is what I see
Click to expand...
Click to collapse
I now have exactly the same problem as you. I tried (once again) to install a new ROM on my i9500 (SOKP this time) and now (for the third time) my phone won't register on the network. I'll take it to China Unicom in the morning and let you know what happened. Unfortunately I don't speak Chinese very well but I will try to watch what the repair guy does. Perhaps it will be of some help.
I took the phone to China Unicom but the tech that repaired it last time wasn't there.
So ur problem is not sorted then?
Not yet
dorian2kx said:
So ur problem is not sorted then?
Click to expand...
Click to collapse
Not yet, but I am working on it. If and when I find an answer to the problem I will post it here.
amasiam said:
Not yet, but I am working on it. If and when I find an answer to the problem I will post it here.
Click to expand...
Click to collapse
did you find an answer in the end?
Unfortunately I didn't. I had to purchase a new baseband.
Sent from my GT-I9100G using XDA Free mobile app
.
amasiam said:
Unfortunately I didn't. I had to purchase a new baseband.
Sent from my GT-I9100G using XDA Free mobile app
Click to expand...
Click to collapse
What u mean by purchase a new baseband bro?
did you try searching for a signal outside?
i'm on three uk network and signal indoors is absolutely atrocious! (especially since they started "upgrading" to 4g networks - i had the exact same problem with t-mobile switched to becoming ee, i don't know why these companies are so intent on breaking networks which worked perfectly before by "upgrading" them).

[Q] insert sim card to access network services

I got this message after updating to android 4.4.4.
What could be causing this?
term44 said:
I got this message after updating to android 4.4.4.
What could be causing this?
Click to expand...
Click to collapse
Hi check your IMEI see if it is correct...
Could be the wrong modem or a bad EFS do you have an EFS folder back up
MAX 404 said:
Hi check your IMEI see if it is correct...
Could be the wrong modem or a bad EFS do you have an EFS folder back up
Click to expand...
Click to collapse
Checked the IMEI, it is ok.
term44 said:
Checked the IMEI, it is ok.
Click to expand...
Click to collapse
If is not hardware, chances are that the efs folder is corrupted.
Try a different kernel
Try a different modem
Flash full wipe custom rom again..
Last flash stock rom...
If all fails the problem most like it is in the efs folder, if you have a backup restore it
MAX 404 said:
If is not hardware, chances are that the efs folder is corrupted.
Try a different kernel
Try a different modem
Flash full wipe custom rom again..
Last flash stock rom...
If all fails the problem most like it is in the efs folder, if you have a backup restore it
Click to expand...
Click to collapse
would try that all, but the phone refuses to connect to pc now, so i can not transfer the files... any suggestions?
it says that device driver did not install properly. i have installed kies in order to push drivers to my pc, but still same.
term44 said:
would try that all, but the phone refuses to connect to pc now, so i can not transfer the files... any suggestions?
it says that device driver did not install properly. i have installed kies in order to push drivers to my pc, but still same.
Click to expand...
Click to collapse
De install drivers and install them again , try another usb port , make sure kies is not activated
MAX 404 said:
De install drivers and install them again , try another usb port , make sure kies is not activated
Click to expand...
Click to collapse
just done that and still cant connect. however odin detects the phone, which is good :=) so i will install stock rom.
hopefully that will solve the problem with the sim card..
term44 said:
just done that and still cant connect. however odin detects the phone, which is good :=) so i will install stock rom.
hopefully that will solve the problem with the sim card..
Click to expand...
Click to collapse
restoring to stock rom solved the problem
term44 said:
restoring to stock rom solved the problem
Click to expand...
Click to collapse
Glad is working mate
Back up before you do anything else do not forget to backup the efs folder
Sent from my Nexus 7 using XDA Premium 4 mobile app
same issue.
I have the same issue as described by the op.
I flashed back to official 4.4.2 and the problem persist.
IMEI number is correct.
IMEISV is 01
Ive been trying to fix this for over a week to no avail. Losing my mind. Is there anything else you can suggest to fix this issue?
Phone is an i9500.
Was really hoping for some help by now. This will be the second time ive posted to this site in the 2 years ive been here with zero responses.
As a side note. I wanted to add that at the same time i started having the "not registered on network" error my sd card stopped being read by the phone also. I replaced the sim/sd holder in the phone itself hoping this would fix both issues but it has obviously not. Still not reading the sd. Says its blank or unrecognized file system. When i try to format it it doesn nothing. This is the sd I had in the phone before having issues. It worked fine then.
The phone just suddenly stopped working one morning. I used it to send a couple text and make a call, next time i picked it up "not registered" issue began. No changes to the phone in between those times.
I figured I would add this info in hopes of gaining a response.
Thanks.

[Q] [i9505] Galaxy S4 Baseband and IMEI: Unkown

Hi,
I've been having problems with my 4 month old GS4 lately, mainly because I was not able to make or receive calls and texts. I looked up my problem, and eventually traced it down to a unknown baseband and IMEI problem. Sure enough, my baseband and IMEI was missing. I researched and found out that you need to backup your EFS folder as it may have been corrupted, unfortunately I was not able to do so. I even tried factory resetting my phone to stock TouchWiz, hearing reports that a hard reset can fix the problem; unfortunately, I'm still missing my IMEI and Baseband. All help is appreciated
This Phone was/is rooted, and has been flashed several times with custom ROMS.
Thank you in advance.
If the problem started without you flashing or doing anything else, then you have a hardware failure. Your emmc chip is probably broken. Bring it to a service center.
Lennyz1988 said:
If the problem started without you flashing or doing anything else, then you have a hardware failure. Your emmc chip is probably broken. Bring it to a service center.
Click to expand...
Click to collapse
I'm not so sure really. I flashed Cyanogenmod and it was working fine, I could make and receive calls. However, my SIM card died and I had to replace it. That was when I noticed the problem.
EDIT: Okay, I failed to read completely. I kept reflashing nandroid backups however, after experiencing problems unrelated to this.
HeadhuntrActual said:
I'm not so sure really. I flashed Cyanogenmod and it was working fine, I could make and receive calls. However, my SIM card died and I had to replace it. That was when I noticed the problem.
EDIT: Okay, I failed to read completely. I kept reflashing nandroid backups however, after experiencing problems unrelated to this.
Click to expand...
Click to collapse
Try using root explorer and see if your efs folder is ok?
Old_Geezer said:
Try using root explorer and see if your efs folder is ok?
Click to expand...
Click to collapse
How do I know if it is okay??? P.S. I can't find certain files like nv_data.bin... sign of corruption?
HeadhuntrActual said:
How do I know if it is okay??? P.S. I can't find certain files like nv_data.bin... sign of corruption?
Click to expand...
Click to collapse
It might be, since my efs folder have nv_data.bin but i can't tell for sure since i'm still a newbie here.
Did you try searching for efs backup on the phone? I know some roms do automatic backup after flash so it might be left there somewhere.
HeadhuntrActual said:
I'm not so sure really. I flashed Cyanogenmod and it was working fine, I could make and receive calls. However, my SIM card died and I had to replace it. That was when I noticed the problem.
EDIT: Okay, I failed to read completely. I kept reflashing nandroid backups however, after experiencing problems unrelated to this.
Click to expand...
Click to collapse
I don't understand what you are saying.
When did your problem start? Did you do anything or did it happen without you doing anything.
Old_Geezer said:
It might be, since my efs folder have nv_data.bin but i can't tell for sure since i'm still a newbie here.
Did you try searching for efs backup on the phone? I know some roms do automatic backup after flash so it might be left there somewhere.
Click to expand...
Click to collapse
I tried, there was none unfortunately, I also flashed back to stock twice. If there was, it was probably wiped.
Lennyz1988 said:
I don't understand what you are saying.
When did your problem start? Did you do anything or did it happen without you doing anything.
Click to expand...
Click to collapse
I can't say for sure. My IMEI and Baseband was visible when I was running CM11. My SIM died eventually, so I had 0 service after that for about a week. During this time, I flashed AntaresOne's Unofficial cm12 5.0. Maybe it was corrupted when I flashed it? Anyway, My efs folder appears to be missing files aswell. I can't seem to find nv_data.bin perhaps my efs folder really is corrupted?

Imei plays hide and seek

I got a realy strange problem with my D802, this came up out of the blue.
About 2 weeks ago I suddenly lost all network functions, for a few hours, then it came back again. Later I had only 2G and realy bad phone reception. The other morning everything was fine until a few hours later I was offline again. It was just then it came to me to check my imei and it was gone
At the time I was on stock 30B with one of Dorimanx' kernels. I was using this combo for a few days already so neither rom or kernel caused this.
Since this problem occurred I've been busy with this, searching the net, flashing all kinds of KDZ's, Kernels, Roms and what else but to no evail.
I did backup my original EFS partition but restoring doesn't help. been trying to put my imei back with QPST and EFS professional but NOPE!!
Rightnow the issue has changed slightly, when I (re)boot my Device I got no imei but after a while, can be a few minutes or maybe an hour the imei comes back.
I'm out of ideas, hope any of you guys can help :fingers-crossed:. Rightnow my G2 is nothing more then a really small tablet with phone functionality when it feels like it. And I feel like turning it in to a frisbee
I put a logcat from boot there ---> http://pastebin.com/kdR13DaR
Current setup stock 30B, stock Kernel, no Xposed
Thanks in advance
Edit: added last_kms log.
Have you tried flashing a modem? Maybe it could help
Good luck
Sent from my LG-D801
Rachid.Ala said:
Have you tried flashing a modem? Maybe it could help
Good luck
Sent from my LG-D801
Click to expand...
Click to collapse
Yeah tried that also. No luck
Besides: A KDZ comes with the proper modem doesn't it?
Is there a particular piece of hardware that could be damaged or could it be the main board?
All the other stuff is working fine on my phone
Try posting a dmesg taken shortly after boot.
runekock said:
Try posting a dmesg taken shortly after boot.
Click to expand...
Click to collapse
Tnx, will do after work
Bornin said:
Tnx, will do after work
Click to expand...
Click to collapse
Done
That was not exactly what I had in mind. Last_kmsg is the dmesg from before the latest restart. I hope that there might be a telling message during boot, so you need to restart again and capture a current dmesg. You can do that on a command line by typing
dmesg >/sdcard/msg.txt
runekock said:
That was not exactly what I had in mind. Last_kmsg is the dmesg from before the latest restart. I hope that there might be a telling message during boot, so you need to restart again and capture a current dmesg. You can do that on a command line by typing
dmesg >/sdcard/msg.txt
Click to expand...
Click to collapse
Like this?
Bornin said:
Like this?
Click to expand...
Click to collapse
Almost. That wasn't done right after a reboot, so the boot messages are no longer there.
runekock said:
Almost. That wasn't done right after a reboot, so the boot messages are no longer there.
Click to expand...
Click to collapse
sorry it took so long m8.
Yes, the new file is the one I sought. Unfortunately, it didn't tell me what's wrong with your phone. Maybe someone else is more clever...
If you haven't already done so, I suggest you try another sim-card.
runekock said:
Yes, the new file is the one I sought. Unfortunately, it didn't tell me what's wrong with your phone. Maybe someone else is more clever...
If you haven't already done so, I suggest you try another sim-card.
Click to expand...
Click to collapse
bummer, tnx anyway
Perhaps @dorimanx @somboons @SREEPRAJAY @XxZombiePikachu @kingroach @vPro97 @Diechel @d_Schizzo @Eminemiero @krija @AbdulrahmanAmir @natalya @Jerome-X @ahmed534
 @blastagator
can look at the logs in OP?
tnx
Get a new sim card.
blastagator said:
Get a new sim card.
Click to expand...
Click to collapse
tnx but I tried that already. the sim is not the issue.
As a matter of fact its not even asking for a sim or giving the "missing sim"notification when it's out.
AbdulrahmanAmir said:
your boot Logs seems okaay refers to the software but the Hardware part of SIM mainly the logical board may leaks or got some electrical hiccups sometimes the OEM get fail in inventing logical board that comes with no IMEI show or even it works but not everytime flash a KDZ and dont root head for your warranty center and they'll change the LOGICAL BOARD you may backup your data before you go
Click to expand...
Click to collapse
Sorry for this awfully late reply mate ?
I got caught up searching for a decent chinese phone to replace this G2, but no winners there Hehe.
I lost my warrantee already because of a screen replacement. So I scored a G2 with broken screen (plus original charger ?) for a few euros to try to swap the motherboard coming weekend ?

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