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[Q] HELP!Nexus s locked on one provider?!?

Hello everyone...
I have a "little" problem.
In my country there is 5 providers(Tele2,BonBon,Vip,Tomato,Simpa).My Nexus s was unlocked on all of them providers.But i was installing a new rom on my Nexus s,and my VIP card(provider) was in the phone while i was doing that.When i putted a new rom,suddenly Nexus s was locked on that provider(VIP) which was inside of the phone?I tried to reinstall and installed a new rom and nothing,i cant get it to unlock on that just one provider(VIP).Phone is now unlocked on all providers(Tele2,BonBon,Tomato,Simpa),but it isn't on VIP?Did someone had a similiar problem,and could you please help me?I would be very grateful!!!

GSM Nexus S are all unlocked.
Sent from my Nexus S using XDA App

Feeshie said:
GSM Nexus S are all unlocked.
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
I see you don't understand me...Nexus s WAS unlocked,but when i installed a new rom,phone got locked on one provider(VIP)which was in the phone while i was installing the new rom...

Anyone?!?Please!
Sent from my Nexus S using XDA App

mimi12 said:
Anyone?!?Please!
Sent from my Nexus S using XDA App
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Click to collapse
Device locking is done in the operating system, not the physical device. I have yet to see a custom ROM or ASOP to be sim locked.
Now keep in mind, the phone won't show APN's for other networks when you insert your SIM card. What is going on here is the device is reading your sim card to identify the provider then set the proper APN as default. To test if it's unlocked, try a different SIM in the device and see what happens.
Edit: I'm assuming you are talking about a SIM lock. If it's a lock of some other sort, please provide more details with EXACTLY what is going on.

Matridom said:
Device locking is done in the operating system, not the physical device. I have yet to see a custom ROM or ASOP to be sim locked.
Now keep in mind, the phone won't show APN's for other networks when you insert your SIM card. What is going on here is the device is reading your sim card to identify the provider then set the proper APN as default. To test if it's unlocked, try a different SIM in the device and see what happens.
Edit: I'm assuming you are talking about a SIM lock. If it's a lock of some other sort, please provide more details with EXACTLY what is going on.
Click to expand...
Click to collapse
Hello,first i want to thank you for your help.
My phone is unlocked for all providers except one provider(VIP).When i put (VIP) sim card,it says "emergency call only".I tried to Restore default APN,but when i press that it just says "Restoring default APN networks",after a while,it says it is completed,but still there it says"emergency call only".If i try to call anyone,it says Mobile network not available.When i go to "About Phone" menu,then "Status" it says:
Network-Unknown
Service state-Out of service
Roaming-Not roaming
Mobile network state-Disconnected
Other informations:
Model number-Nexus s
Android version-2.3.6
Baseband version-I9020AUCKF1
Build number-GRK39F
So this is it,my phone is locked to only one provider(VIP),if i put any other sim card provider(Tele2,BonBon,Tmobile...)the phone is working well,i can call anyone,text etc.Thank you in fowards...

mimi12 said:
Hello,first i want to thank you for your help.
My phone is unlocked for all providers except one provider(VIP).When i put (VIP) sim card,it says "emergency call only".I tried to Restore default APN,but when i press that it just says "Restoring default APN networks",after a while,it says it is completed,but still there it says"emergency call only".If i try to call anyone,it says Mobile network not available.When i go to "About Phone" menu,then "Status" it says:
Network-Unknown
Service state-Out of service
Roaming-Not roaming
Mobile network state-Disconnected
Other informations:
Model number-Nexus s
Android version-2.3.6
Baseband version-I9020AUCKF1
Build number-GRK39F
So this is it,my phone is locked to only one provider(VIP),if i put any other sim card provider(Tele2,BonBon,Tmobile...)the phone is working well,i can call anyone,text etc.Thank you in fowards...
Click to expand...
Click to collapse
This is NOT a sim lock. What is going on is that your phone has lost it's APN settings or is using the wrong modem. a sim lock means that your phone will only work with 1 provider, installing the SIM from a different provider will give you an error message similar to this: ‘SIM not valid’, ‘SIM locked’ or ‘SIM not accepted’
Since the phone is working on other providers, i would believe that the phone has lost it's APN settings for VIP. I would look up the APN settings for VIP and manually put them into the phone and go from there.
A quick search found a thread with the APN settings:
http://forum.xda-developers.com/showthread.php?t=679892
Good luck.

Hello again and once again thank you.I tried what you said for APN,but it didn't work.Is there anything else?!?
Sent from my Nexus S using XDA App

Try to flash another Radio. I never had luck with KF1, and quite frankly it kept me from getting any service at all for like 2-3 reboots after.
Try KD1, or KB3 (those work for me).
Reboot a few times, and see if it works.

stuff said:
Try to flash another Radio. I never had luck with KF1, and quite frankly it kept me from getting any service at all for like 2-3 reboots after.
Try KD1, or KB3 (those work for me).
Reboot a few times, and see if it works.
Click to expand...
Click to collapse
Thank you,i flash to KD1,after that i put Tmobile card and turned it on,and emergency call,my thoughts were "OMFG what have i done!?"After that i thought i will reboot it and see how it goes.I put him i fastboot mode and then rebooted him,and i got signal.After that i did it the sam with VIP card,and now is working like charm.Once again thank you for trying to help me with my problem,i am very grateful!

job well done....case closed
Sent from my Nexus S 4G using XDA App

Unable to use my Nexus S
Matridom said:
This is NOT a sim lock. What is going on is that your phone has lost it's APN settings or is using the wrong modem. a sim lock means that your phone will only work with 1 provider, installing the SIM from a different provider will give you an error message similar to this: ‘SIM not valid’, ‘SIM locked’ or ‘SIM not accepted’
Since the phone is working on other providers, i would believe that the phone has lost it's APN settings for VIP. I would look up the APN settings for VIP and manually put them into the phone and go from there.
A quick search found a thread with the APN settings:
http://forum.xda-developers.com/showthread.php?t=679892
Good luck.
Click to expand...
Click to collapse
Hi,
I am facing a similar issue. My Nexus S is running on 4.0.3 with baseband version I9023XXKI1 (Got it in UK, unable to use it in India). No matter what SIM I insert it stays in Out of service mode. Can you please suggest which Radio version I can flash to get rid of this issue? Please help!!

Hi, check this thread, it may help you:
http://forum.xda-developers.com/showpost.php?p=11686273&postcount=14

[Completed] imei NULL/NULL but i can make a call...

hey,
i have 2 note2 n7105, i never make gsm worked, event restoring efs(efs bckpro or 'dd' the efs partition). imei were readable typing *#06#
i bring them to a repair center, they used a Z3 box on both. both still gave baseband error.
they told me, my custom rom (DN3) may disturb process...
so i KIES both phone without error. i tried sim card to verify, 1 read gsm network but does not connect, (normal problem)
BUT second make call and receive with imei NULL/NULL (?), by typing *#06*
how it is possible?
is it legit to phone without imei?

XDA Visitor said:
hey,
i have 2 note2 n7105, i never make gsm worked, event restoring efs(efs bckpro or 'dd' the efs partition). imei were readable typing *#06#
i bring them to a repair center, they used a Z3 box on both. both still gave baseband error.
they told me, my custom rom (DN3) may disturb process...
so i KIES both phone without error. i tried sim card to verify, 1 read gsm network but does not connect, (normal problem)
BUT second make call and receive with imei NULL/NULL (?), by typing *#06*
how it is possible?
is it legit to phone without imei?
Click to expand...
Click to collapse
Seems to be a similar issue like here: [Q]Null Imei, Baseband Unknown N7105 by Emprt.
With a "broken" EFS partition.
Check this thread: Baseband Unknown and IMEI Null NOW WORKING by karlonicolas.
Maybe this will work in your case too.
Sometimes reflashing the modem/baseband can help to get back the correct IMEI.
And for the next time, please backup your EFS partition like described here: [WARNING! + GUIDE] Backup and Restore IMEI / NV Data Procedure for GT-I9305 by lyriquidperfection.
Good luck !

Thread closed. Thank you!

emergency calls only

I tried to flash Russian marshmallow firmware and nothing happens, after that i have flash other firmware and yet nothing happen.. but when i noticed that my two signals was gone i just can see to circle with a slash at the center of it ... after that i tried to restore my stock rom using factory reset and odin still nothing happens .. i have decided to use the smartswitched and restored my one signal now my SIM 1 has full signal but it says EMERGENCY CALLS ONLY and my SIM 2 is okay...
i tried ti dial *#06#* and My IMEI no. is the same and still intact but the extensin 01 is added on both Imei number
but i have noticed something questionable the two Imei number shows like this
sample:
1257xxxxxxxxx/ 01
1258xxxxxxxxx/ 01
Please help me with this...
I am using SAMSUNG J700H/DS
DUal sim

niech said:
I tried to flash Russian marshmallow firmware and nothing happens, after that i have flash other firmware and yet nothing happen.. but when i noticed that my two signals was gone i just can see to circle with a slash at the center of it ... after that i tried to restore my stock rom using factory reset and odin still nothing happens .. i have decided to use the smartswitched and restored my one signal now my SIM 1 has full signal but it says EMERGENCY CALLS ONLY and my SIM 2 is okay...
i tried ti dial *#06#* and My IMEI no. is the same and still intact but the extensin 01 is added on both Imei number
but i have noticed something questionable the two Imei number shows like this
sample:
1257xxxxxxxxx/ 01
1258xxxxxxxxx/ 01
Please help me with this...
I am using SAMSUNG J700H/DS
DUal sim
Click to expand...
Click to collapse
My be you lost your imei? Whic J7 u use?

Nilshalok said:
My be you lost your imei? Whic J7 u use?
Click to expand...
Click to collapse
I use Samsung J700H
My IMEI number is the same ,
Please help me ..thank you and god bless

Solved!! Emergency calls only for samsung users
niech said:
I tried to flash Russian marshmallow firmware and nothing happens, after that i have flash other firmware and yet nothing happen.. but when i noticed that my two signals was gone i just can see to circle with a slash at the center of it ... after that i tried to restore my stock rom using factory reset and odin still nothing happens .. i have decided to use the smartswitched and restored my one signal now my SIM 1 has full signal but it says EMERGENCY CALLS ONLY and my SIM 2 is okay...
i tried ti dial *#06#* and My IMEI no. is the same and still intact but the extensin 01 is added on both Imei number
but i have noticed something questionable the two Imei number shows like this
sample:
1257xxxxxxxxx/ 01
1258xxxxxxxxx/ 01
Please help me with this...
I am using SAMSUNG J700H/DS
DUal sim
Click to expand...
Click to collapse
I already solved my problem... !!!

Pray tell! Please share the solution.
Sent from my SM-J700F using XDA-Developers mobile app

niech said:
I already solved my problem... !!!
Click to expand...
Click to collapse
share the solution please

How did you fix it? Please share.

share the solution bro

i am looking for the solution @niech please share us how u solve the problem???
thanks

Network not available at recently 4.4.2 flashed N8000

Hi guys. I'm posting here in a desperate attempt to solve my problem.
A year ago I purchased an used N8000 with Omega 4.1.2 ROM installed, and worked very good. But a couple of days ago, I flashed my tablet to get the 4.4.2 update, because I need some apps not compatible on old versions.
Everything is ok except for the fact that my sim card is not recognized anymore, if I select the operator manually, I get a "network not available" error.
I made a lot of research, with no results so far to fix the problem. The only thing I learned is that I think it has something to do with the baseband version. Currently I have the N8000XXUDND2 version, the IMEI is ok.
I live in Paraguay, the 3G band of my operator is on 850MHz.
If there's no solution, can I just downgrade to the omega rom by flashing as usual? Or the process is different?
Thanks in advance

What modem what csc ?
Sent from my SM-N920C using XDA-Developers mobile app

JJEgan said:
What modem what csc ?
Click to expand...
Click to collapse
CSC: N8000OXADNE4
Modem was originally N8000XXUDNE1, then changed it to N8000XXUDND2 but still no sim or signal.
I got it from here: www(dot)droidopinions(dot)com/how-to-update-galaxy-note-10-1-gt-n8000-to-4-4-2-kitkat-official/

No sim check sim holder
Sent from my SM-N920C using XDA-Developers mobile app

JJEgan said:
No sim check sim holder
Click to expand...
Click to collapse
Sorry but I don't understand your question

Phone has a holder for sim card .
Sent from my SM-N920C using XDA-Developers mobile app

Tried flashing the modem I had before, still no signal. I think I screwed my tablet.

when u flash a rom then downgrade it the phone's imei code gets changed which causes "no network" error .
I'm trying to figure out restoration process of original imei code for my device too.

shk9alaxy said:
when u flash a rom then downgrade it the phone's imei code gets changed which causes "no network" error .
I'm trying to figure out restoration process of original imei code for my device too.
Click to expand...
Click to collapse
I don't even know how can I check the original imei of my device, since I forgot to write it down. On phones they are usually printed behind the battery, but this doesn't have a detachable battery.

If your IMEI is wrong then restore your backed up EFS folder .
Sent from my SM-N920C using XDA-Developers mobile app

DaniOcampo1992 said:
I don't even know how can I check the original imei of my device, since I forgot to write it down. On phones they are usually printed behind the battery, but this doesn't have a detachable battery.
Click to expand...
Click to collapse
It's written at the bottom back of the tab & on the box seal as well. Or dial *#06#. I tired hard reset & stock rom still imei error

I checked and indeed there's the original imei written at the back of the tab, and it's not the same number as of dialing *#06#. Don't know how to restore though since I didn't back up any efs folder.

You can do a search on XDA there are a number of posts regarding users that failed to backup EFS and null IMEI .

I have the same error, after root, imei and baseband are gone.
don't have efs backup

¡Help! Problem with network.

Hi guys, i have this problem with my phone, i'm not speak english very well but i will try.
I update my stock rom lollipop to stock MM, when i was on lollipop my imei says "null / null", when i update everythings ok, the system show my original imei and s/n but i'm stuck at "Emergency calls only" and the phone can't detect my sim card, ¿What should i do? my imei is clear, my phone is not blocked, i'm so desesperate with this, I tried install every stock rom even other regions, but the same thing happens to me.
Thanks for help, have a good day.

iDrev said:
Hi guys, i have this problem with my phone, i'm not speak english very well but i will try.
I update my stock rom lollipop to stock MM, when i was on lollipop my imei says "null / null", when i update everythings ok, the system show my original imei and s/n but i'm stuck at "Emergency calls only" and the phone can't detect my sim card, ¿What should i do? my imei is clear, my phone is not blocked, i'm so desesperate with this, I tried install every stock rom even other regions, but the same thing happens to me.
Thanks for help, have a good day.
Click to expand...
Click to collapse
if u don't have an efs backup then u should send it to the service center

messi2050 said:
if u don't have an efs backup then u should send it to the service center
Click to expand...
Click to collapse
I can't send to service center, and i don't have an efs backup ¿other way, maybe?