Urgent : phone Network problem - Galaxy Grand 2 Q&A, Help & Troubleshooting

Hello, my phone connects and disconnects to network all day. It just lay there on table or my pocket and disconnects and then later automatically reconnects at any given time. At first I was like that it is just a bad/corrupted Sim so I got my Sim replaced, but with new sim the problem still persist. It just shows "No Service" message and then later reconnects with network. Later I realized that it happens to both sim cards, usually I don't call from my second sim it's just for Internet usage.
I searched google for solutions, and somewhere I read that it's due to corrupted IMEI file in the EFS folder.
So please help me how to replace IMEI file without reflashing the firmware. I dont want to loose any data on my phone because everything is in its palce
Or if you have any other solution please help me out ASAP
Regards
Sent from my SM-G7102 using Tapatalk

spamshark said:
Hello, my phone connects and disconnects to network all day. It just lay there on table or my pocket and disconnects and then later automatically reconnects at any given time. At first I was like that it is just a bad/corrupted Sim so I got my Sim replaced, but with new sim the problem still persist. It just shows "No Service" message and then later reconnects with network. Later I realized that it happens to both sim cards, usually I don't call from my second sim it's just for Internet usage.
I searched google for solutions, and somewhere I read that it's due to corrupted IMEI file in the EFS folder.
So please help me how to replace IMEI file without reflashing the firmware. I dont want to loose any data on my phone because everything is in its palce
Or if you have any other solution please help me out ASAP
Regards
Sent from my SM-G7102 using Tapatalk
Click to expand...
Click to collapse
what rom are u using?

reffho said:
what rom are u using?
Click to expand...
Click to collapse
I'm on stock ROM.
Actually I have flashed modem.bin via Odin and so far I guess the problem is solved.
sent from my payphone using Tapatalk

Related

[Q] S4 GT-I9500 can't make call "Not registered on network"

UPDATE!!!
30/08/2013
My phone can make call mow... back to normal state... but still have imei problem...
Anyone who wants to know how... why... or whatever... please, contact me through pm... leave your email for me...and please, explain your problem... I will try my best to help you out...
I am very busy look after my daughter...so please be patient if I reply your mail late...
Once again... please leave your email in my pm or I will not answer your pm or post. Sorry but I can't log in here more often...
Good luck to you all...
Angel S.
-----------------------------------------------------------------------------------------
"Original thread"
Hello everyone,
Well, back again with the problem that can't find any solution anywhere.
I've opened a thread about fake imei on this site earlier which can find a solution already. Now the imei and the S/N become original one but the phone still can't make any call. I found the thread about a patch that can fix this issue but it works with NOTE2 and S3 only... so, I'm afraid to try that with my S4 GT-I9500 since it's very hard to find a fix for its problem... I don't want another problem for my phone now...
So, the status of the phone is unlock, root, on latest stock firmware(I9500XXUBMG1), Baseband is I9500DXUBMF8,
Software status on phone: Network=Unknown, Mobile Network Type=Edge:2, Service State=Out of service...
When I check with AndroidDump the Telephony said:
IMEI=(my original IMEI)
CallState=IDLE
DataActivity=NONE
DataState=DISCONNECTED
NetworkType=EDGE
PhoneType=GSM
SimState=READY
CellLocation=[16427,50572,-1]
DeviceSoftwareVersion=01
Line1Number= (it's blank)
NetworkCountryIso=th
NetworkOperator=52018
NetworkOperatorName= (it's blank...again)
SimCountryIso=th
SimOperator=52018
SimSerialNumber= (my sim serial number)
SubscriberId=52018961057xxxx (this is my IMSI)
VoiceMailAlphaTag=VOICEMAIL
VoiceMailNumber=1802 (this is the voice mail number of my sim operator)
Now, let's go back a bit for earlier problem of my phone...
It's been stuck on Samsung logo(bootloop) because of EFS folder corrupted(Error mount efs)
Solution: I forced the efs to mount by enter the command in Terminal Emulator on Recovery mode, then the phone reboot normally with wifi connect but fake Imei(004999xxxxxxx) and S/N 00000000000. So, I can't make any call since then but can connect wifi.
After that with the fake Imei and S/N all zero I've finally found a mobile repair shop that can write the original Imei and S/N for me with the SPT Box. So, my phone has the original Imei and S/N now but when I try to make call it said "Not registered on network"
If I choose the network manually(My operator is DTAC) it will be Network(DTAC)unavailable... If set to choose automatically, it looks fine but when I attempt to call it said "Not registered on network" again...
The phone still can connect to WiFi, as usual... but can't make call...like before fix the Imei and S/N
Contacted the operator of my sim already and they said it seems to be the problem of the phone so, I have to contact Samsung... but my phone has no service with Samsung coz it's the phone from another country and it's been root already...
I've tried every way I can(found on this site and other site...) None work...
So... anyone has any idea why my phone can't make any call???... and HOW EXACTLY TO FIX IT???
Thank you again for you time and help...
Angel S.
666.NightAngel said:
Hello everyone,
Well, back again with the problem that can't find any solution anywhere.
I've opened a thread about fake imei on this site earlier which can find a solution already. Now the imei and the S/N become original one but the phone still can't make any call. I found the thread about a patch that can fix this issue but it works with NOTE2 and S3 only... so, I'm afraid to try that with my S4 GT-I9500 since it's very hard to find a fix for its problem... I don't want another problem for my phone now...
So, the status of the phone is unlock, root, on latest stock firmware(I9500XXUBMG1), Baseband is I9500DXUBMF8,
Software status on phone: Network=Unknown, Mobile Network Type=Edge:2, Service State=Out of service...
When I check with AndroidDump the Telephony said:
IMEI=(my original IMEI)
CallState=IDLE
DataActivity=NONE
DataState=DISCONNECTED
NetworkType=EDGE
PhoneType=GSM
SimState=READY
CellLocation=[16427,50572,-1]
DeviceSoftwareVersion=01
Line1Number= (it's blank)
NetworkCountryIso=th
NetworkOperator=52018
NetworkOperatorName= (it's blank...again)
SimCountryIso=th
SimOperator=52018
SimSerialNumber= (my sim serial number)
SubscriberId=52018961057xxxx (this is my IMSI)
VoiceMailAlphaTag=VOICEMAIL
VoiceMailNumber=1802 (this is the voice mail number of my sim operator)
Now, let's go back a bit for earlier problem of my phone...
It's been stuck on Samsung logo(bootloop) because of EFS folder corrupted(Error mount efs)
Solution: I forced the efs to mount by enter the command in Terminal Emulator on Recovery mode, then the phone reboot normally with wifi connect but fake Imei(004999xxxxxxx) and S/N 00000000000. So, I can't make any call since then but can connect wifi.
After that with the fake Imei and S/N all zero I've finally found a mobile repair shop that can write the original Imei and S/N for me with the SPT Box. So, my phone has the original Imei and S/N now but when I try to make call it said "Not registered on network"
If I choose the network manually(My operator is DTAC) it will be Network(DTAC)unavailable... If set to choose automatically, it looks fine but when I attempt to call it said "Not registered on network" again...
The phone still can connect to WiFi, as usual... but can't make call...like before fix the Imei and S/N
Contacted the operator of my sim already and they said it seems to be the problem of the phone so, I have to contact Samsung... but my phone has no service with Samsung coz it's the phone from another country and it's been root already...
I've tried every way I can(found on this site and other site...) None work...
So... anyone has any idea why my phone can't make any call???... and HOW EXACTLY TO FIX IT???
Thank you again for you time and help...
Angel S.
Click to expand...
Click to collapse
I have the same issue. Anyone help.
I have checked the IMEI was clear.
i dont know if this helps but i had the same problem ....the exact same problem you are having ,only its that i was having it on the note 2 , also i didnt have the warranty cause of the same reason as yours,so eventually i fixed it after 4 month ,
i first installed the miui rom, then flashed the dmg1 modem on my phone and used the ariza patc, i think it has to be done in the same order cause i had done all three of those before but to no result.maybe you can try this...
hope i helped
panda_ken said:
I have the same issue. Anyone help.
I have checked the IMEI was clear.
Click to expand...
Click to collapse
sorry for late reply...
after long time that I tried to fix my phone...I finally gave up... and use the tools to fix it... right now the phone can call, can connect wifi, use 3g, and be in normal state... if you still have problem with your phone please contact me in pm and leave your email to me...
Good luck
Angel S.
Nexsss1 said:
i dont know if this helps but i had the same problem ....the exact same problem you are having ,only its that i was having it on the note 2 , also i didnt have the warranty cause of the same reason as yours,so eventually i fixed it after 4 month ,
i first installed the miui rom, then flashed the dmg1 modem on my phone and used the ariza patc, i think it has to be done in the same order cause i had done all three of those before but to no result.maybe you can try this...
hope i helped
Click to expand...
Click to collapse
Thank u so much for ur advice... unfortunately...the ariza patch not work on S4. But thanks anyway...
Angel S.
s4 with Imei problem and show "Not registered on the network"
666.NightAngel said:
sorry for late reply...
after long time that I tried to fix my phone...I finally gave up... and use the tools to fix it... right now the phone can call, can connect wifi, use 3g, and be in normal state... if you still have problem with your phone please contact me in pm and leave your email to me...
Good luck
Angel S.
Click to expand...
Click to collapse
Hello!
I have the same problem as you.
Can you show how to resolve it ?
Please i need to resolve it ASAP.
Thanks for all!
fjramirez said:
Hello!
I have the same problem as you.
Can you show how to resolve it ?
Please i need to resolve it ASAP.
Thanks for all!
Click to expand...
Click to collapse
Please, contact through pm... leave your email... explain your problem... I will try my best to help you...
Best regards,
Angel S.
imei
Dear did you solve your problem of solving IMEI to make samsung s4 registered on network as i can not make call after download firmware i9500DXUBMF8
CAN ANY ONE HELP PLEASE AS SOON AS POSSIBLE
666.NightAngel said:
UPDATE!!!
30/08/2013
My phone can make call mow... back to normal state... but still have imei problem...
Anyone who wants to know how... why... or whatever... please, contact me through pm... leave your email for me...and please, explain your problem... I will try my best to help you out...
I am very busy look after my daughter...so please be patient if I reply your mail late...
Good luck to you all...
Angel S.
-----------------------------------------------------------------------------------------
"Original thread"
Hello everyone,
Well, back again with the problem that can't find any solution anywhere.
I've opened a thread about fake imei on this site earlier which can find a solution already. Now the imei and the S/N become original one but the phone still can't make any call. I found the thread about a patch that can fix this issue but it works with NOTE2 and S3 only... so, I'm afraid to try that with my S4 GT-I9500 since it's very hard to find a fix for its problem... I don't want another problem for my phone now...
So, the status of the phone is unlock, root, on latest stock firmware(I9500XXUBMG1), Baseband is I9500DXUBMF8,
Software status on phone: Network=Unknown, Mobile Network Type=Edge:2, Service State=Out of service...
When I check with AndroidDump the Telephony said:
IMEI=(my original IMEI)
CallState=IDLE
DataActivity=NONE
DataState=DISCONNECTED
NetworkType=EDGE
PhoneType=GSM
SimState=READY
CellLocation=[16427,50572,-1]
DeviceSoftwareVersion=01
Line1Number= (it's blank)
NetworkCountryIso=th
NetworkOperator=52018
NetworkOperatorName= (it's blank...again)
SimCountryIso=th
SimOperator=52018
SimSerialNumber= (my sim serial number)
SubscriberId=52018961057xxxx (this is my IMSI)
VoiceMailAlphaTag=VOICEMAIL
VoiceMailNumber=1802 (this is the voice mail number of my sim operator)
Now, let's go back a bit for earlier problem of my phone...
It's been stuck on Samsung logo(bootloop) because of EFS folder corrupted(Error mount efs)
Solution: I forced the efs to mount by enter the command in Terminal Emulator on Recovery mode, then the phone reboot normally with wifi connect but fake Imei(004999xxxxxxx) and S/N 00000000000. So, I can't make any call since then but can connect wifi.
After that with the fake Imei and S/N all zero I've finally found a mobile repair shop that can write the original Imei and S/N for me with the SPT Box. So, my phone has the original Imei and S/N now but when I try to make call it said "Not registered on network"
If I choose the network manually(My operator is DTAC) it will be Network(DTAC)unavailable... If set to choose automatically, it looks fine but when I attempt to call it said "Not registered on network" again...
The phone still can connect to WiFi, as usual... but can't make call...like before fix the Imei and S/N
Contacted the operator of my sim already and they said it seems to be the problem of the phone so, I have to contact Samsung... but my phone has no service with Samsung coz it's the phone from another country and it's been root already...
I've tried every way I can(found on this site and other site...) None work...
So... anyone has any idea why my phone can't make any call???... and HOW EXACTLY TO FIX IT???
Thank you again for you time and help...
Angel S.
Click to expand...
Click to collapse
queenystars said:
Dear did you solve your problem of solving IMEI to make samsung s4 registered on network as i can not make call after download firmware i9500DXUBMF8
CAN ANY ONE HELP PLEASE AS SOON AS POSSIBLE
Click to expand...
Click to collapse
Hello... please leave ur email in my pm.
Regards,
Angel S.
samsung s4
666.NightAngel said:
Hello... please leave ur email in my pm.
Regards,
Angel S.
Click to expand...
Click to collapse
dear i got fake IMEI
email is [email protected]
This is why you should always back up your EFS folder. If your IMEI ever gets lost you can restore using the EFS backup folder very easily.
666.NightAngel said:
UPDATE!!!
30/08/2013
My phone can make call mow... back to normal state... but still have imei problem...
Anyone who wants to know how... why... or whatever... please, contact me through pm... leave your email for me...and please, explain your problem... I will try my best to help you out...
I am very busy look after my daughter...so please be patient if I reply your mail late...
Once again... please leave your email in my pm or I will not answer your pm or post. Sorry but I can't log in here more often...
Good luck to you all...
Angel S.
-----------------------------------------------------------------------------------------
"Original thread"
Hello everyone,
Well, back again with the problem that can't find any solution anywhere.
I've opened a thread about fake imei on this site earlier which can find a solution already. Now the imei and the S/N become original one but the phone still can't make any call. I found the thread about a patch that can fix this issue but it works with NOTE2 and S3 only... so, I'm afraid to try that with my S4 GT-I9500 since it's very hard to find a fix for its problem... I don't want another problem for my phone now...
So, the status of the phone is unlock, root, on latest stock firmware(I9500XXUBMG1), Baseband is I9500DXUBMF8,
Software status on phone: Network=Unknown, Mobile Network Type=Edge:2, Service State=Out of service...
When I check with AndroidDump the Telephony said:
IMEI=(my original IMEI)
CallState=IDLE
DataActivity=NONE
DataState=DISCONNECTED
NetworkType=EDGE
PhoneType=GSM
SimState=READY
CellLocation=[16427,50572,-1]
DeviceSoftwareVersion=01
Line1Number= (it's blank)
NetworkCountryIso=th
NetworkOperator=52018
NetworkOperatorName= (it's blank...again)
SimCountryIso=th
SimOperator=52018
SimSerialNumber= (my sim serial number)
SubscriberId=52018961057xxxx (this is my IMSI)
VoiceMailAlphaTag=VOICEMAIL
VoiceMailNumber=1802 (this is the voice mail number of my sim operator)
Now, let's go back a bit for earlier problem of my phone...
It's been stuck on Samsung logo(bootloop) because of EFS folder corrupted(Error mount efs)
Solution: I forced the efs to mount by enter the command in Terminal Emulator on Recovery mode, then the phone reboot normally with wifi connect but fake Imei(004999xxxxxxx) and S/N 00000000000. So, I can't make any call since then but can connect wifi.
After that with the fake Imei and S/N all zero I've finally found a mobile repair shop that can write the original Imei and S/N for me with the SPT Box. So, my phone has the original Imei and S/N now but when I try to make call it said "Not registered on network"
If I choose the network manually(My operator is DTAC) it will be Network(DTAC)unavailable... If set to choose automatically, it looks fine but when I attempt to call it said "Not registered on network" again...
The phone still can connect to WiFi, as usual... but can't make call...like before fix the Imei and S/N
Contacted the operator of my sim already and they said it seems to be the problem of the phone so, I have to contact Samsung... but my phone has no service with Samsung coz it's the phone from another country and it's been root already...
I've tried every way I can(found on this site and other site...) None work...
So... anyone has any idea why my phone can't make any call???... and HOW EXACTLY TO FIX IT???
Thank you again for you time and help...
Angel S.
Click to expand...
Click to collapse
i have a same problem with this..
please help me.
[email protected]
Pls give me details for fix this problem
666.NightAngel said:
sorry for late reply...
after long time that I tried to fix my phone...I finally gave up... and use the tools to fix it... right now the phone can call, can connect wifi, use 3g, and be in normal state... if you still have problem with your phone please contact me in pm and leave your email to me...
Good luck
Angel S.
Click to expand...
Click to collapse
Hi there i have same problem and pls send me solution..
My email: [email protected]
Thanks.
If you can help me. I had the same error.
My email
[email protected]
Thanks!
Cannot Register To Network
Hi,
I am facing the same issue, can anyone please help me out ? I cannot register to network but my data services are working.
Strange
Regards
Please help me
I also have the same problem
Stock rom
Correct IMEI
NOT REGISTERED ON NETWORK :crying:
WITHOUT NOTICE, THE NETWORK ISSUE BEGAN. How did you get your calls and data back? Please help. My email is [email protected]
Greetings.
means that your phone imei has been reported stolen to some mobilephone companies.
Sent from my GT-N7100 using xda app-developers app
I think i solved this!!!
ehe12 said:
means that your phone imei has been reported stolen to some mobilephone companies.
Sent from my GT-N7100 using xda app-developers app
Click to expand...
Click to collapse
You were ABSOLUTELY right. I had done NOTHING wrong, my IMEI had been blacklisted by a weird mistake of a mobile company.
I'll explain my jourey, in the hopes that it can help somebody, since, I HAVE A SOLUTION for every single case of this issue.
1) When I got my gt-i9500, of course I rooted it, then i proceeed to flash PAC-ROM on it, but I had to go back to Stock (Arrow Modified Version) since PAC-ROM is FULL of glitches ans bugs.
2) After a week of being using ARROW, i got the "NOT REGISTERED ON NETWORK" problem. Not instantly, no, AFTER A WEEK OF USING AS MY DEFAULT ROM. I got really scared, since I DIDN'T MAKE A BACKUP OF MY EFS FOLDER, and when I review my IMEI, it wasn't even the 00049... generic one, it was null/null. So i shat my pants, thinking I had ruined my S4 for good. But I started reading. First i had to get my IMEI back to its original form, and then work around the network issue (THAT'S THE ORDER, ACTUALLY)
3) So I downloaded a whole bunch of modems and tried one after one, with no success, some of them put the generic IMEI on my phone, some of them got my IMEI back to null/null. I was worried and drinking industrial quantities of wine at this point. So i went for the obvious but way more boring solution. I TRIED FLASHING STOCK ROMS on my S4. I live in Perú, so I only have 2 choices to do this, and actually my carrier stock rom is not even listed on SamMobile.com (I'm on Nextel Peruvian 3G network). The 2 choices i tried, neither got my signal or my IMEI BACK. I started going desperate, but keept on reading.
4) Tried the MTK Droid Tools to recover my IMEI. I had never even used The ADB android interface before, but learned rather quickly. Got my S4 connected, shell rooted, and still couldn't change my IMEI; since MTK Droid Tools (and please trust me on this one) ONLY WORKS FOR THE CHINESSE/KOREAN VERSIONS OF THE S4. So don't even bother, you might learn ALOT about the android ADB interface, but won't fix your IMEI.
5) Finally I started downloading a bunch of Stock roms in order to get my IMEI fixed automaticaly by flashing them through ODIN. And the I stumble upon THIS ROM: http://www.sammobile.com/firmwares/3/?download=17396 WHICH SEEMED like a divine answer from heaven since, just by flashing it, got me back my ORIGINAL IMEI.
6) At this point i had discovered that INDEED the MODEM: I9500UBUBMG9 does get your IMEI back to its original state. (That's your answer). SO, I was in a Stock rom, with my original IMEI, bu had NO FREAKING SIGNAL WHAT SO EVER. STILL HAD THE "Not registered on network" FREAKING problem. So I, finally, gave up, came here, and got the answer that It might had to do with my IMEI being blacklisted. I refused to believe so, since there are this stories on the internet, that you can actually screw your EFS folder by installing a custom AOKP rom without backing it up, and that there's this "RF CAL" file that only samsung knows how to fix and once it's corrupted, you won't be able to connect to any network, ever. BUT HERE'S THE THING, THAT story IS A LIE.
7) I went to NEXTEL (My carrrier) support (They sold me the phone) today, and YES, OMG YES, my IMEI had been blacklisted, AND HERE'S THE CATCH: ANYONE (At least that can happen in my country) ANYONE, can call your mobile operator, reporting your phone has been stolen, and the op will block NOT ONLY YOUR NUMBER, but your freakining IMEI, blacklisting it, and making it IMPOSIBLE for you to get connected on ANY network.
SO Here is my conclussion to this WEIRD case:
1) If you have the NOT REGISTERED ON NETWORK and you have the WRONG IMEI issue (Meaning, your IMEI is the generic: 00049... or Null/Null) , flash via ODIN, THIS STOCK ROM: http://www.sammobile.com/firmwares/3/?download=17396, just... flash it, I DON'T CARE IF YOU'VE READ THAT YOU JUST NEED THE MODEM, I garantee that if you flash this stock rom, your IMEI will go back to its original state.
2) If your S4 is on an Stock Rom, and you have your original IMEI; and you still can't connect to your network, It means your original imei has been blacklisted, and you NEED to talk to sammy or your carrier to fix this, or contact someone who can undo this situation.
That's it. I hope that my journey helps someone that is trying to get this "NOT REGISTERED ON NETWORK" issue solved, as I've been trying to for the entire weekend. Just... don't give up. http://forum.xda-developers.com/images/smilies/good.gif
gadhafy said:
You were ABSOLUTELY right. I had done NOTHING wrong, my IMEI had been blacklisted by a weird mistake of a mobile company.
I'll explain my jourey, in the hopes that it can help somebody, since, I HAVE A SOLUTION for every single case of this issue.
1) When I got my gt-i9500, of course I rooted it, then i proceeed to flash PAC-ROM on it, but I had to go back to Stock (Arrow Modified Version) since PAC-ROM is FULL of glitches ans bugs.
2) After a week of being using ARROW, i got the "NOT REGISTERED ON NETWORK" problem. Not instantly, no, AFTER A WEEK OF USING AS MY DEFAULT ROM. I got really scared, since I DIDN'T MAKE A BACKUP OF MY EFS FOLDER, and when I review my IMEI, it wasn't even the 00049... generic one, it was null/null. So i shat my pants, thinking I had ruined my S4 for good. But I started reading. First i had to get my IMEI back to its original form, and then work around the network issue (THAT'S THE ORDER, ACTUALLY)
3) So I downloaded a whole bunch of modems and tried one after one, with no success, some of them put the generic IMEI on my phone, some of them got my IMEI back to null/null. I was worried and drinking industrial quantities of wine at this point. So i went for the obvious but way more boring solution. I TRIED FLASHING STOCK ROMS on my S4. I live in Perú, so I only have 2 choices to do this, and actually my carrier stock rom is not even listed on SamMobile.com (I'm on Nextel Peruvian 3G network). The 2 choices i tried, neither got my signal or my IMEI BACK. I started going desperate, but keept on reading.
4) Tried the MTK Droid Tools to recover my IMEI. I had never even used The ADB android interface before, but learned rather quickly. Got my S4 connected, shell rooted, and still couldn't change my IMEI; since MTK Droid Tools (and please trust me on this one) ONLY WORKS FOR THE CHINESSE/KOREAN VERSIONS OF THE S4. So don't even bother, you might learn ALOT about the android ADB interface, but won't fix your IMEI.
5) Finally I started downloading a bunch of Stock roms in order to get my IMEI fixed automaticaly by flashing them through ODIN. And the I stumble upon THIS ROM: http://www.sammobile.com/firmwares/3/?download=17396 WHICH SEEMED like a divine answer from heaven since, just by flashing it, got me back my ORIGINAL IMEI.
6) At this point i had discovered that INDEED the MODEM: I9500UBUBMG9 does get your IMEI back to its original state. (That's your answer). SO, I was in a Stock rom, with my original IMEI, bu had NO FREAKING SIGNAL WHAT SO EVER. STILL HAD THE "Not registered on network" FREAKING problem. So I, finally, gave up, came here, and got the answer that It might had to do with my IMEI being blacklisted. I refused to believe so, since there are this stories on the internet, that you can actually screw your EFS folder by installing a custom AOKP rom without backing it up, and that there's this "RF CAL" file that only samsung knows how to fix and once it's corrupted, you won't be able to connect to any network, ever. BUT HERE'S THE THING, THAT story IS A LIE.
7) I went to NEXTEL (My carrrier) support (They sold me the phone) today, and YES, OMG YES, my IMEI had been blacklisted, AND HERE'S THE CATCH: ANYONE (At least that can happen in my country) ANYONE, can call your mobile operator, reporting your phone has been stolen, and the op will block NOT ONLY YOUR NUMBER, but your freakining IMEI, blacklisting it, and making it IMPOSIBLE for you to get connected on ANY network.
SO Here is my conclussion to this WEIRD case:
1) If you have the NOT REGISTERED ON NETWORK and you have the WRONG IMEI issue (Meaning, your IMEI is the generic: 00049... or Null/Null) , flash via ODIN, THIS STOCK ROM: http://www.sammobile.com/firmwares/3/?download=17396, just... flash it, I DON'T CARE IF YOU'VE READ THAT YOU JUST NEED THE MODEM, I garantee that if you flash this stock rom, your IMEI will go back to its original state.
2) If your S4 is on an Stock Rom, and you have your original IMEI; and you still can't connect to your network, It means your original imei has been blacklisted, and you NEED to talk to sammy or your carrier to fix this, or contact someone who can undo this situation.
That's it. I hope that my journey helps someone that is trying to get this "NOT REGISTERED ON NETWORK" issue solved, as I've been trying to for the entire weekend. Just... don't give up. http://forum.xda-developers.com/images/smilies/good.gif
Click to expand...
Click to collapse
it's so amazing that the mobile company staff have so much power, isn't it? I thought the report process should be a bit more formal, with a note from the policeman or something. Otherwise it's so easy to get fxxked up for doing nothing...
IMEI prob
.Im totally lost! I lost my IMEI when i check it says 004999...... thats a fake IMEI! and i cant call anyone or message or whatsapp anyone! My email is [email protected] . Really really need your help!
666.NightAngel said:
Please, contact through pm... leave your email... explain your problem... I will try my best to help you...
Best regards,
Angel S.
Click to expand...
Click to collapse

[Q] Sim card problem

Hello,
I bought my Note 3 mobile and decided to flash C-Rom!
At the morning of one day I flashed the rom successfully. Later I installed all apps I wanted. I have my phone rebooted a lot of times with no problem. Some time at the afternoon of the same day I pick up the phone to stare at it! I activated the LTE option and deactivate it again. This was not the first time of doing it! After that the network signal was missing! I rebooted the phone, but it doesn't ask me for a PIN any more. I used my sim at another phone and it asked for a PIN. I used another SIM at my phone but it didn't ask for a PIN.
After dialing *#06# at Dialer a popup dialog shows up. The title of this dialog is MEID and the content is B0000000!
At settings>About phone>Status> the MEID is full of zeroes but the IMEI seems OK.
At the same screen i see the following:
Network - Searcing for Service
Mobile network type - Unknown
Mobile netwok state - Disconected
Service state - Out of service
My phone number - Unknown
MIN - Unknown
PRL version - Uknown
ICCID - Unknown
Thanks everyone in advance
Very strange.... without doing anything like flashing stock or modem?????
TheLiTTle said:
Hello,
I bought my Note 3 mobile and decided to flash C-Rom!
At the morning of one day I flashed the rom successfully. Later I installed all apps I wanted. I have my phone rebooted a lot of times with no problem. Some time at the afternoon of the same day I pick up the phone to stare at it! I activated the LTE option and deactivate it again. This was not the first time of doing it! After that the network signal was missing! I rebooted the phone, but it doesn't ask me for a PIN any more. I used my sim at another phone and it asked for a PIN. I used another SIM at my phone but it didn't ask for a PIN.
After dialing *#06# at Dialer a popup dialog shows up. The title of this dialog is MEID and the content is B0000000!
At settings>About phone>Status> the MEID is full of zeroes but the IMEI seems OK.
At the same screen i see the following:
Network - Searcing for Service
Mobile network type - Unknown
Mobile netwok state - Disconected
Service state - Out of service
My phone number - Unknown
MIN - Unknown
PRL version - Uknown
ICCID - Unknown
Thanks everyone in advance
Click to expand...
Click to collapse
The reason is unknown but it seems like your phone lost a valid IMEI/baseband.
Can you check the Baseband version?
Try to flash the stock firmware, or flash the baseband for your device.
The problem suddenly appeared and that's what makes me feel uncomfortable. The baseband number is N9005XXUENC2. I will try to flash whole firmware, but does anyone know how can I flash only the baseband? I don't want to stay with the original ROM!
TheLiTTle said:
The problem suddenly appeared and that's what makes me feel uncomfortable. The baseband number is N9005XXUENC2. I will try to flash whole firmware, but does anyone know how can I flash only the baseband? I don't want to stay with the original ROM!
Click to expand...
Click to collapse
Extract modem.bin and NON-HLOS.BIN files from the stock firmware, and flash via Odin.
Sent from my SM-N9005 using Tapatalk
It is my first Samsung. Could you be more specific? How can I extract those? Can you guide me through?
TheLiTTle said:
It is my first Samsung. Could you be more specific? How can I extract those? Can you guide me through?
Click to expand...
Click to collapse
Do you have the stock firmware file already?
Sent from my SM-N9005 using Tapatalk
Finally I was able to solve the problem. It is a problem with C-Rom and 4g option. I am going to write a new reply by tomorrow and also to the forum. I appreciate the help guys.
Thanks a lot
The problem is with the LTE activation/deactivation.
I am from Greece with COSMOTE provider. Here, in Greece, at the moment we have to pay an extra fee to the provider in order to have the option of using 4g. The steps as I believe are the following:
1). I am not paying this fee at the moment so I am not able to use 4g.
2). I activate 4g and immediately I deactivated it. I did not want to open it, just touching the selection at the notifications. This option is at the notifications when you slide down the notification bar using 2 fingers.
3). Then the signal goes off and I had to re-flash stock rom once again before flashing the custom rom. The problem has to do only with the signal and everything else works as charm in the C-ROM.
The C-ROM version which has this problem is this C-RoM-KK-v7.1-20140622-hlte.zip

[Q] Network register problem, GSM, 3G connectivity issues...

hi to all,
anyone please help me since i got my note 4 n910f i have an issue with it. It doesn't connect to gsm/3g network. Its unlocked/not stolen/not blacklisted etc. The weirdest thing is that after flashing firmware it recognizes sim card and register and just for only one single FIRST time i can even make a call but that's it after ending that call whatever i do it won't register to network or if i manually select search network it keeps searching but won't connect even if it stopped searching after long time it won't show its network name though it show WITHOUT sim card. i have changed sim cards. even used professional help by writing some qcn files etc but after writing those i still got same problem i.e; can call for first time after writing qcn but that will be last.
You people don't think that it calls for first time then won't call until i flash new firmware.
Oh BTW there is another problem whenever i flash lollipop it won't detect in windows but detect every mode on kitkat.
comsite said:
hi to all,
anyone please help me since i got my note 4 n910f i have an issue with it. It doesn't connect to gsm/3g network. Its unlocked/not stolen/not blacklisted etc. The weirdest thing is that after flashing firmware it recognizes sim card and register and just for only one single FIRST time i can even make a call but that's it after ending that call whatever i do it won't register to network or if i manually select search network it keeps searching but won't connect even if it stopped searching after long time it won't show its network name though it show WITHOUT sim card. i have changed sim cards. even used professional help by writing some qcn files etc but after writing those i still got same problem i.e; can call for first time after writing qcn but that will be last.
You people don't think that it calls for first time then won't call until i flash new firmware.
Oh BTW there is another problem whenever i flash lollipop it won't detect in windows but detect every mode on kitkat.
Click to expand...
Click to collapse
Check your imei type *#06# & match with imei under battery, is it same?
jdomadia said:
Check your imei type *#06# & match with imei under battery, is it same?
Click to expand...
Click to collapse
yeah 100% same i already checked.
Please someone help tell me anything
Dr. Ketan please help if know something
comsite said:
hi to all,
anyone please help me since i got my note 4 n910f i have an issue with it. It doesn't connect to gsm/3g network. Its unlocked/not stolen/not blacklisted etc. The weirdest thing is that after flashing firmware it recognizes sim card and register and just for only one single FIRST time i can even make a call but that's it after ending that call whatever i do it won't register to network or if i manually select search network it keeps searching but won't connect even if it stopped searching after long time it won't show its network name though it show WITHOUT sim card. i have changed sim cards. even used professional help by writing some qcn files etc but after writing those i still got same problem i.e; can call for first time after writing qcn but that will be last.
You people don't think that it calls for first time then won't call until i flash new firmware.
Oh BTW there is another problem whenever i flash lollipop it won't detect in windows but detect every mode on kitkat.
Click to expand...
Click to collapse
I have the same problem. Did you manage to fix?

No Network

Hi good people, I am facing a problem. Around 8 hours back I tried calling someone but the call didn't connect so I restarted the phone and then I lost the network. I tried reboot, flashed different ROMs (unofficial CM14, cm13 nightly build n MM nougat backup), tried with GAPPS and without GAPPS but the problem is persisting. I even tried swapping the Sim cards before that but of no use. I tried debugging by using *#*#4636#*#* but ping test is failed and also there is "TURN RADIO ON" I believe ideally it should be "TURN RADIO OFF". please have a look at the screenshots. I'm almost dying without making important calls.
Update: Guys I have got it working.. Kindly look into my below posts. Please don't misguide people for small issues.
Thanks
In the screenshot we can also see, GSM SERVICE IS OFF. it stays the same even after clean flashing a new custom ROM.
Got it working. Flashed latest COS ROM file however the situation was still the same. Then I removed sim, switched on airplane mode restarted. After reboot inserted Sim then again restarted n then I got the signal
1. Removed Sim card, switched on airplane mode from both power menu and notification toggle.
2. Restart, inserted Sim card and switched off airplane setting from setting. (Notification toggle and power menu didn't work) then got the network.
Please note I tried with only one sim in sim 1 tray. Later I got the network for 2nd sim as well
Narasimha12 said:
Got it working. Flashed latest COS ROM file however the situation was still the same. Then I removed sim, switched on airplane mode restarted. After reboot inserted Sim then again restarted n then I got the signal
Click to expand...
Click to collapse
Which rom did you flash and what was your method of flashing?
You also said simply flashing didn't work. It was what you did with reboot, aeroplane mode and taking out and reinsert the Sim that worked?
I've had the same problem for almost a month now... and i gave my phone to the service center. They called up to inform me that its a motherboard failure and they'll fix it.. I'll provide further info when I get my phone back (probably in 3-4 days)
P.S I tried almost every method to make it work. So if you couldn't make it work in first 2 days or so, dont waste your time and just give it for the servicing (make sure its in Stock OS so that they dont ask any questions about root xD )
lekhwani said:
Which rom did you flash and what was your method of flashing?
You also said simply flashing didn't work. It was what you did with reboot, aeroplane mode and taking out and reinsert the Sim that worked?
Click to expand...
Click to collapse
I flashed almost every latest ROM. But no ROM got the network back. So as a last resort I flashed COS 12.1 and still didn't get the network. Then I removed both the sims, activated flight mode restarted the device, left it couple of minutes and inserted only one sim in first slot. Holla I got the network. Then everything is back to normal
If u r facing the same problem I would suggest u to activate flight mode n restart. If it doesn't work try by removing sim cards, if it still doesn't work try COS 12.1.
lekhwani said:
Which rom did you flash and what was your method of flashing?
You also said simply flashing didn't work. It was what you did with reboot, aeroplane mode and taking out and reinsert the Sim that worked?
Click to expand...
Click to collapse
Usual procedure of flashing. Wipe cache, dalvik, system and data. Flash ROM + Gapps. Reboot
Try to search in the forum. There is a lot of threads with the same problem with the Zuk Z1. It is a hardware problem.
Enviado desde mi Redmi Note 3 mediante Tapatalk
Your modem and baseband sections may be damaged. Modem structure is hidden under qualcomm structure. To Access and repair those sections, you need to do some modifications. I managed to make my Zuk Z1 worked again with some tweaking. Altering that part of the phone is illegal due to its restricted elements such as IMEI number. That's why I cannot post a tutorial here. İt is not allowed. However, I can help you if you personally contact me. I hope you get your signal back soon.
psyckoze said:
Your modem and baseband sections may be damaged. Modem structure is hidden under qualcomm structure. To Access and repair those sections, you need to do some modifications. I managed to make my Zuk Z1 worked again with some tweaking. Altering that part of the phone is illegal due to its restricted elements such as IMEI number. That's why I cannot post a tutorial here. İt is not allowed. However, I can help you if you personally contact me. I hope you get your signal back soon.
Click to expand...
Click to collapse
Please follow xda rules and don't tell people illegal things where they get in trouble. Keep in mind, that's not an illegal forum
Sure thing but I have already mentioned it. I didn't post anything illegal. So, take it easy.
psyckoze said:
Your modem and baseband sections may be damaged. Modem structure is hidden under qualcomm structure. To Access and repair those sections, you need to do some modifications. I managed to make my Zuk Z1 worked again with some tweaking. Altering that part of the phone is illegal due to its restricted elements such as IMEI number. That's why I cannot post a tutorial here. İt is not allowed. However, I can help you if you personally contact me. I hope you get your signal back soon.
Click to expand...
Click to collapse
Hej. I manage to mess upp my baseband/modem proberly when flashing a rom or i messed up in twrp.
Phone show up imei as null and unknown baseband so i would really appriciate you help here.
I still have orginalbox that show my imei so i can enter the correct one when needed.
psyckoze said:
Your modem and baseband sections may be damaged. Modem structure is hidden under qualcomm structure. To Access and repair those sections, you need to do some modifications. I managed to make my Zuk Z1 worked again with some tweaking. Altering that part of the phone is illegal due to its restricted elements such as IMEI number. That's why I cannot post a tutorial here. İt is not allowed. However, I can help you if you personally contact me. I hope you get your signal back soon.
Click to expand...
Click to collapse
Hi, I haven't still gone to the service centre. Kindly pm me the tutorial for getting signals back.

I need help with my sim card

I have a problem with my cell phone ... I just did a software update from 9.0 to 10, but downloading sammobile and suddenly I can not access my mobile networks, I can not make calls because I get an "unregistered" message in the network ", the cell phone does not recognize any type of sim card ... I need your help please
Did you flash the right build?
Sent from my SM-G975U using Tapatalk
Frankfourt131 said:
I have a problem with my cell phone ... I just did a software update from 9.0 to 10, but downloading sammobile and suddenly I can not access my mobile networks, I can not make calls because I get an "unregistered" message in the network ", the cell phone does not recognize any type of sim card ... I need your help please
Click to expand...
Click to collapse
2 Things happened either 1, like the guy above said you flashed the wrong firmware and your baseband and CSC isn't recognized
Your phone has been blacklisted for non payment.

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