I got my samsung galaxy s2 this month. Everything is ok until the day before yesterday. When I try to make a call, it says "mobile network not available". I go to the setting--->wireless and network--->mobile networks--->select/unselect use packet data, there is no icon indicator it is activate as it should be. I tried the factory data reset, but the problem is still unsolved. Thus far, call/message stop working. Wifi is OK. Do you have any suggestion on that? Thanks.
Please check your IMEI, and your Baseband version.
If they are not available, you will need to restore your EFS, if you do not have a backup, you will have to visit Samsung Service Center, or repair the EFS yourself.
Do not use another phone's copy of EFS as it is illegal to modify or clone your IMEI number in most (if not all) countries. You can however use someone's EFS backup, and mod it with your phone's IMEI if you know how to.
Hi,
I'm in this horrible situation: no baseband, no IMEI. By ny chance, do you know how to get a EFS backup and change to my IMEI?
I appreciate any help. I was trying to make a call, the person on the other side could not hear me. I reboot and...lost my baseband. Checked IMEI, it was also missing.
Thanks
mbernstein said:
Hi,
I'm in this horrible situation: no baseband, no IMEI. By ny chance, do you know how to get a EFS backup and change to my IMEI?
I appreciate any help. I was trying to make a call, the person on the other side could not hear me. I reboot and...lost my baseband. Checked IMEI, it was also missing.
Thanks
Click to expand...
Click to collapse
have u solved your problem? I got something quite similar...
In my sad experience, your only chance is going to Samsung and ask them to restore your IMEI. From what Samsung in BRazil told me, it should be in the same country of the device. As my device was imported from the UK, Samsung Brazil could not do anything, as IMEI database is Country restricted. I believe this info is correct as the representative was very helpful. It did not look like a lame excuse. If your device is not under warranty, it should not cost you more than U$ 50. That was the price here, and everything in Brazil is so expensive these days.
My solution was to buy another Galaxy S II in Brazil as it had been released here in between the time I imported mine and the time it got screwed.
Wish you good luck.
mbernstein said:
In my sad experience, your only chance is going to Samsung and ask them to restore your IMEI. From what Samsung in BRazil told me, it should be in the same country of the device. As my device was imported from the UK, Samsung Brazil could not do anything, as IMEI database is Country restricted. I believe this info is correct as the representative was very helpful. It did not look like a lame excuse. If your device is not under warranty, it should not cost you more than U$ 50. That was the price here, and everything in Brazil is so expensive these days.
My solution was to buy another Galaxy S II in Brazil as it had been released here in between the time I imported mine and the time it got screwed.
Wish you good luck.
Click to expand...
Click to collapse
that's really helpful! I'll go and ask them to help. luckily I purchased mine in UK and it's under warranty.
LiFE1688 said:
Please check your IMEI, and your Baseband version.
If they are not available, you will need to restore your EFS, if you do not have a backup, you will have to visit Samsung Service Center, or repair the EFS yourself.
Do not use another phone's copy of EFS as it is illegal to modify or clone your IMEI number in most (if not all) countries. You can however use someone's EFS backup, and mod it with your phone's IMEI if you know how to.
Click to expand...
Click to collapse
I have the same problem. Can u tell me how to restore efs. I installed leaked firmware of android 4.0.3 on my sgs2 and selected an efs file in bootloader and when i restored my rom from cwm it was showing network on top but when i dialed any no. and pressed call button it said mobile network not available. But i was able to use the internet. Please give me some suggestions. Thanks in advance. I will buy you a beer.
[email protected] said:
I have the same problem. Can u tell me how to restore efs. I installed leaked firmware of android 4.0.3 on my sgs2 and selected an efs file in bootloader and when i restored my rom from cwm it was showing network on top but when i dialed any no. and pressed call button it said mobile network not available. But i was able to use the internet. Please give me some suggestions. Thanks in advance. I will buy you a beer.
Click to expand...
Click to collapse
There are a load of posts and stickeis on a forum Called XDA you could start by searching that forum for IMEI and EFS posts .
jje
same problem
[email protected] said:
I have the same problem. Can u tell me how to restore efs. I installed leaked firmware of android 4.0.3 on my sgs2 and selected an efs file in bootloader and when i restored my rom from cwm it was showing network on top but when i dialed any no. and pressed call button it said mobile network not available. But i was able to use the internet. Please give me some suggestions. Thanks in advance. I will buy you a beer.
Click to expand...
Click to collapse
exactly same thing happened to me any solutions so far??????
my IMEI and Baseband are ok
and even i can use Wi-Fi i tried flashing cynogen,MIUI,Checkrom,Galnet Miui,ICS(XXKPA),stock Gingerbread and what not
flashing Pit file again wont do either
Just nt getting wt 2 do
I have the same problem, but if I take out the sim and put in another phone, it works, and if I took another sim (from another operator) and put it in sgs2, it also works, just this sim not working in this sgs2. Is this operator controlled by apple and trying to block sgs2 devices?
solarj said:
I have the same problem, but if I take out the sim and put in another phone, it works, and if I took another sim (from another operator) and put it in sgs2, it also works, just this sim not working in this sgs2. Is this operator controlled by apple and trying to block sgs2 devices?
Click to expand...
Click to collapse
I got absolutely the same problem!!!
Any fixes???
Any updates here guys?
Mine stopped working yesterday, I still have my IMEI number and Baseband version...
So far I have:
Get into the CWM recovery
Wipe Data/factory reset
Wipe Cache
Wipe Dalvik-Cache
Wipe Battery Stats
Wipe Data/factory reset
Wipe Cache
Wipe Dalvik-Cache
Wipe Battery Stats
Install the wipe version of this ROM (CheckRom v4)
Any ideas?
Thanks
I've got the same problem...
does anyone have came up with a good solution?
Try this
Root your phone.
Go to efs folder in root. Go to imei folder in that you will find a file named mps_code. Edit it using root browser from market. Erase everything and type your original imei no. and save it.
Reboot your phone and now check.
Cannot guarantee it but it worked on mine. Good luck
Sent from my GT-I9100 using XDA premium
All I had to do to go to the Access Point Name ('APN') settings and change the Authentication Type from its default 'Not Set' to 'None'. After that, my internet is working fine.
It would appear this may be an issue common to a number of Chinese phones, so hopefully this will be of use to other people in the same situation.
I have a question.
My phone (samsung galaxy s2 gt 9001) has a generic imei, it is completely diffrent than original number imei under battery.
Phone works fine and I can make calls.
I want to flash phone to android 4.0 but I do wonder if phone will return to original imei after flashing (and let me do only emergency calls - original imei is probably blacklisted) or phone will still keep generic imei and allow me to make all calls.
thank you for your help
Did you make an /efs-Backup?
Did this happen after flashing something or...more information please!
You should always back up your EFS folder, which stores your original IMEI. I hope you did, have a look here anyway: http://forum.xda-developers.com/showthread.php?t=1264021
Chris.
You say your IMEI is probably blacklisted .
Stolen phone ???
A factory reset or flash of new firmware is always the first step to try EFS recovery so yes their is a chance of correct IMEI .
jje
flash clean,stock firmware...an always backup efs folder tht is in good state...
Hello guys,
I`ve been watching all this topics for a while cuz I have some problems with my Galaxy S3. I`ll tell you what i did.
All worked fine, had the 4.1.1 official rom + root, then i wanted to go to 4.1.2 so i flashed an UK stock ROM. After that i kept getting the "Sim has been removed" error need restart bla bla.. so i search all around for a fix.. i changed 2 SIM cards and nothing. Then I flashed a Poland version 4.1.2 Stock. That version was better but I encountered the "Call ended" error.. calls would end after 3-4mins or i could not call at all. Then i flashed (and this is when the problem started) Stock Vodafone Spain and got "No network". I must say my IMEI/ SN all are intact.
Then I patched only radio modem from the UK ROM with Odin, but with "PHONE" option (i know i did wrong).. i wanted to change only the modem and it worked cuz i checked with *#1234#.. but from that moment not even one ROM has worked in showing me the network. On About phone says "Network: Unknown". Sometimes it connects to Vodafone but when I try to call says "No network service".
Now my phone is in second service and they can`t make it get a network on. They tryed the neverlock thing but i think was already unblocked.
I tryed rooting and using this Ariza. and were 2 versions there.. I tryed v5 only and didnt worked.
I tried the ##72786# and I get the following message: Connection Problem or invalid MMI code (found somewhere that for this code i need to have Wifi on to work?)
Now i`m thinking to get my phone back and dunno reflash with a good .pit file ? or just reRoot and try v4 Ariza.. I`m really sad, it`s been 5 days and I can`t think on nothing else to do.. I even called Samsung official service and they said to send it to them.
If you have any idea, pls need help. tnx
Check your IMEI is the same as under the battery .
Samsung will reject warranty .
jje
JJEgan said:
Check your IMEI is the same as under the battery .
Samsung will reject warranty .
jje
Click to expand...
Click to collapse
you are right.. IMEI and SN are not the same.. pff what to do now?
Restore your backed up EFS folder.
jje
But i think i backed up the EFS folder with the modified IMEI. What can i do now?
nothing. replace the motherboard
SOLVED!
Ok so tnx to JJEgan i checked all the IMEI numbers and only 2 of them were modified. Thing is before I pached the v5 Ariza, I did a EFS backup with that program. That backup img saved my phone.
Firstly I got my phone back from service with 4.2.1 official ROM (thats nice, cost me 0 $ ). I rooted with CF-Auto and used Ariza patch (v4). But my imei was still wrong so after that I used EFS_Backup_Restore_new_ADB.rar to restore my IMEI/SN with the old EFS backup then I used another programEFS Professional v2.0. I checked the option to repair No network and clicked Restore. After that I restarted my phone and I got the messages from provider with APN settings and so on.
Thank you for the help :good:
worked till first restart... now No network again, I`m not a samsung/android fan anymore..
Please read before posting read this and that...
I read somewhere that a firmware from another country will not matter, so I installed the Croatian 4.3 android on my S3 and since then I wasn't able to make any calls except 'Emergency calls only'. The 4.3 was xxugmj9, and the modem was something similar but I can't remember. My IMEI and S/N stayed the same, and still are the same! Then I downloaded 4.1 stock rom and installed it via odin - xxemg4 and also the xxemg4 modem. IMEI still same, but no network (I DO have network signal, but it just says not registered on network when I try to dial a number).
I got suggestions that my /efs changed to another format, but I don't have my efs backed up before I installed the new firmware thinking nothing can go wrong... Also when I go to Search networks I can select my nretwork which I use and it gives me a message 'Registered on network' but as soon as I close that I have the '!' mark in my drop-down menu...
So the actual question is what rom/modem, what can I do, if anything, to fix this? ..oh an I've also tried the ARIZA patch, which did not work as well.
I have made an efs backup now, better at one point then never.
Giving screen shot just in case I'm doing something wrong..
You need to install the patched MG4 modem that is floating around here somewhere. Try that for a start
Sent from my iPhone using Tapatalk
Making a new thread won't change the answers you've already been given.
Flashing random things without understanding them will only damage your phone further, like ariza patch.
Take it to a service centre for repair is your best option as you are incapable of reading searching or following XDA rules .
by a accident i deleted my EFS file etc. when i was flashing a custom firmware. Then my phone was working correctly except my GSM.
I searched all the internet and i couldn't find a way to take restore my efs. Than i went to a local telephone technical service in my town and he fixed my phone. But i didn't realise he didint use my original imei. I used the phone a several months then suddenly my phone's gsm didint work. So i controlled my imei and it was "004999010640000". And now i need to change my imei number to my original one. How can i do that? i tried "IMEI MAKER/MP0B_001 file method", "MtkDroidTools" and "MauiMETA 3G" and also some other programs. They worked but specially IMEI parts didnt work.
So i need your help. If its a illegal thing. Just PM me. I didint do anything illegal an i need my phone back.
hi my old friend sorry to hear that some technicians used "bluebox" for restore and attach imei. i dont know any idea :/
px7009 said:
by a accident i deleted my EFS file etc. when i was flashing a custom firmware. Then my phone was working correctly except my GSM.
I searched all the internet and i couldn't find a way to take restore my efs. Than i went to a local telephone technical service in my town and he fixed my phone. But i didn't realise he didint use my original imei. I used the phone a several months then suddenly my phone's gsm didint work. So i controlled my imei and it was "004999010640000". And now i need to change my imei number to my original one. How can i do that? i tried "IMEI MAKER/MP0B_001 file method", "MtkDroidTools" and "MauiMETA 3G" and also some other programs. They worked but specially IMEI parts didnt work.
So i need your help. If its a illegal thing. Just PM me. I didint do anything illegal an i need my phone back.
Click to expand...
Click to collapse
IMEI is send over your carrier database, they check all IMEIs over network, your IMEI probably was banned because used IMEI number from someones lost or stolen phone