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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
Click to expand...
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

one plus one

hi all first time here now i have just bought a new opo and upon setting up and inserting the sim when the phone is on it will pick up the sim but when you reboot the sim is gone also the phone when u go to setting and try changing from lte to 3g it wont change also keep getting errors when you try and search for network service so if anyone has some ideas as to what may be the problem would be glad to here them as have reflashed the phone still the same and sorry about my poor typing

logtug said:
hi all first time here now i have just bought a new opo and upon setting up and inserting the sim when the phone is on it will pick up the sim but when you reboot the sim is gone also the phone when u go to setting and try changing from lte to 3g it wont change also keep getting errors when you try and search for network service so if anyone has some ideas as to what may be the problem would be glad to here them as have reflashed the phone still the same and sorry about my poor typing
Click to expand...
Click to collapse
Gonna need for details for others to help like what country you are in and network. Did you move the sim card over from another phone or is it a new card?

Where did you buy the device? Are you the original owner or did someone own it before you?
Transmitted via Bacon

kokocabana said:
Gonna need for details for others to help like what country you are in and network. Did you move the sim card over from another phone or is it a new card?
Click to expand...
Click to collapse
yes i bought off OPO also in setting in about phone under baseband version its got unknown i am in australia and its not the provider as seen else where that this phone works fine on optus in oz

logtug said:
yes i bought off OPO also in setting in about phone under baseband version its got unknown i am in australia and its not the provider as seen else where that this phone works fine on optus in oz
Click to expand...
Click to collapse
Is the baseband always showing as unknown?
Transmitted via Bacon

Hello, I'm the guy with the Optus Network running
Make sure your APN is correct in Mobile Networks: Optus Internet (Yesinternet)

yes
timmaaa said:
Is the baseband always showing as unknown?
Transmitted via Bacon
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Click to collapse
yes the baseband always shown unknown also what are the internet setting also i am with clubtelco my phone provider which inturn use optus so would you no where to get APN for clubtelco

Pretty sure you can find the APN settings if you Google it.
Transmitted via Bacon

???
timmaaa said:
Pretty sure you can find the APN settings if you Google it.
Transmitted via Bacon
Click to expand...
Click to collapse
na still no good after doing the apn

Problems with mobile data s6 duos

Hi there,
Recently, I've been having mobile data problems with my s6 duos
I've got an s6 duos from globe, so 1 sim slot is locked to globe and the other sim slot is open line. Recently I've been having problems connecting to mobile data using my smart sim card. In the data service network, the option to choose smart for mobile data is locked/unavailable, so I can only use my globe simcard for mobile data. I've tried using a different sim but no luck.
I was able to use my smart sim for mobile data in the past. Though I have no problem receiving texts or calls with my smart sim
Advice is much appreciated
Thanks
Also, in APN under my smart sim, I get this message
"Unable to view the access point name settings. Access is restricted for the current user profile."
i64.tinypic.com/2i1kprd.png

My guess... flash BTU ... latest UK g920F firmware. Its kind of imposible to lock 1 sim and the 2nd sim to be unlocked.
Edit: you may lost warranty after this... and this is only my guess.
Edit2: flash a costom recovery... do a full backup so if something goes wrong you restore everything

lummujaj said:
My guess... flash BTU ... latest UK g920F firmware. Its kind of imposible to lock 1 sim and the 2nd sim to be unlocked.
Edit: you may lost warranty after this... and this is only my guess.
Edit2: flash a costom recovery... do a full backup so if something goes wrong you restore everything
Click to expand...
Click to collapse
Thanks for replying! I've never really done something like that before.. so if you could give me links and let me know what are the risks of flashing?
also my unit was purchased locally in the philippines, will a uk firmware work with it?

In settings search "profile" if the cell phone finds any ,post a screenshot of if... and you find firmware at samfirmware.com... or a guy have posted them in general section uploaded in google drive for better speed download

lummujaj said:
In settings search "profile" if the cell phone finds any ,post a screenshot of if... and you find firmware at samfirmware.com... or a guy have posted them in general section uploaded in google drive for better speed download
Click to expand...
Click to collapse
Thanks!
No results when i searched profile in the settings.
Will trying flashing a new firmware

Am curious, will unlocking my phone also solve the problem?

LanceD. said:
Am curious, will unlocking my phone also solve the problem?
Click to expand...
Click to collapse
I had the g920FD... the phone use one EFS for both imeis. I said it cannot be 1 sim lock and 1 seem free. The phone for sure contain something installed from provaider to restrict the sim1. I would flash new version. But as i said 1st ill flash recovery to do full nandroid backup

No Internet Data in CM14 (no G,3G,4g)

Hi guys, I have been trying to get the MI 4c working with the data but still with troubles. I have restored to stock 2 times ( a long nightmare getting locked by the way) and still without getting the Data working. I can call and use internet with WIFI but not by itself.
Anyone can give a hand?
Trying with different bands in the menu of *#*#4636#*#* without a happy end.
THANKS A LOT

trying this guide about Restoring IMEI DIDN´T work!!!
en.miui.com/thread-315233-1-1.html

Are you using 2 Sims? Have you tried manually adding the apn details?

ermacwins said:
Are you using 2 Sims? Have you tried manually adding the apn details?
Click to expand...
Click to collapse
I am using only 1 SIM, and YES I have tried to put APN manual.

Does the *#06# gives you an IMEI number (or 2...).
If not, what happen to loose it? You should start by explaining that.

Kéno40 said:
Does the *#06# gives you an IMEI number (or 2...).
If not, what happen to loose it? You should start by explaining that.
Click to expand...
Click to collapse
It is giving me 2 IMEI NUMBERS but in Settings, About Phone and Status doesnt show my mobile number.
AFTER RESTORE TO LATEST MIUI I can use DATA 4g but I want to use Cyanogenmod instead, lets see.

tiredofthisbs said:
Settings, About Phone and Status doesnt show my mobile number.
Click to expand...
Click to collapse
That's not important.
So in the CM, there is just a problem with APN.
Post what are they maybe someone from your country could help....

After restore Stock rom MIUI 6.1.7, unblocked with fastboot oem unlock and flashing twrp and CM 14.1 I got 4g working I went to something about SIM CARD activate, and removing all APN and putting my APN manually. I did it before but didn't work .But after all it interrupts also WIFI after a few minutes I dont understand why.

Find x2 Pro chinese version Preffered Network Type

Hey guys, I have just noticed that my new x2 pro doesnt have an option to change network type: 2g/3g/4g//5g. Or did I miss it? Wth?)
Thank you!

itstall 4Gswither from play market, at the same *#*#4636#*#*
and inside you can change

Thank you!

leoking3 said:
Thank you!
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Click to collapse
Did this method work for you. I tried it and got nothing. Still no option for 5G.

Stunna903 said:
Did this method work for you. I tried it and got nothing. Still no option for 5G.
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Click to collapse
Neh man, actually it did not work... I dont know what to use in that app, and the code doesnt work, sends me back to the dialer.

On mine it is in settings, SIM card and Mobile data -> select your sim card -> preferred network type near the bottom

Stunna903 said:
Did this method work for you. I tried it and got nothing. Still no option for 5G.
Click to expand...
Click to collapse
herman_dewitt said:
On mine it is in settings, SIM card and Mobile data -> select your sim card -> preferred network type near the bottom
Click to expand...
Click to collapse
Is it the Chinese version? I dont have that option anywhere.

hi I have the same issue...
after selecting my simcard I dont have the “preferred network” on the menu. Any idea how to fix it please?
My phone is a dual phone and the SIM card is the 2nd one, should it be registered as SIM #1 to get the full menu ?
Thanks for any help

shanghai521 said:
hi I have the same issue...
after selecting my simcard I dont have the “preferred network” on the menu. Any idea how to fix it please?
My phone is a dual phone and the SIM card is the 2nd one, should it be registered as SIM #1 to get the full menu ?
Thanks for any help
Click to expand...
Click to collapse
I got to the conclusion that there is nothing to do. I just hope that maybe after I change my sim card to a 5G one, then 5G will show up automatically when available...