How to Unblock IMEI on SG2 - Galaxy S II Q&A, Help & Troubleshooting

I purchased the Samsung Galaxy S2 from someone and after a month the Sim card did not work, tried other sim card same and I have a feeling that the IMEI is Blocked and I would like to see how if anyone can. Unblock IMEI/ SIM
Cheers

You can't. There's almost always (99.99% of the time) a good reason for a phone being IMEI blocked. Call your carrier & sort it out with them.

Theres a thread about a bird getting a phone back from the police and someone got a barred imei working on vodafone.
The title was "..........came alive".So search for that.

Related

samsung vibrant not registering on t-mobile or simple mobile network

i bought a new in the box samsung vibrant off craigslist to use on simple mobile, i unlocked the vibrant it works on both at&t and H20 but not t-mobile or simple mobile. anyone out there have a solution i can't call t-mobile since i am not an account holder and advice would be appreciated
bad simcard or if the phone is registered on diferent carrier put timobile sim card and try to unlock your phone with it
its not the sim card it works fine in my mytouch 4g with simple mobile, the sim is not blocked i believe the phone must be block from system by imei
put the simcard in and unlock the phone again ! ! duhh
???????
bartek25 said:
put the simcard in and unlock the phone again ! ! duhh
Click to expand...
Click to collapse
sarcasim is a good thing but maybe you aren't comprehending what i am saying duhh!!
i own NSPRO box and have unlocked the galaxy S phones quite frequently, the phone is sim unlocked for any sim card or gsm carrier, what i am saying has nothing to do with unlocking with the sim card in( which i tried for ****s and giggles). the problem is the vibrant is not recognized on the network , i have tried my sim and several other t-mobile sims the phone doedn't receive signal on t-mobile network or simple mobile( which is a NVO of t-mobile)so what i am asking is does t-mobile block imei's from their network and is their a solution other then changing imei of the phone which i do not wish to do although i can change imei i will not since it is illegal.
the problem
let me clarify it actually says on the screen
"not registered on network"
anyway to register it on system???
its unlocked and works on at&t, h2o and all other gsm carriers except t-mobile and simple mobile
clone another imei, that will solve this problem, There is an app that allows you to give you a new I D # to your phone
I am same problem here everytime try to make call it says "Not Registered on the Network", SIM card works fine on different phone, also other SIM when inserted on Vibrant gives same message.
Under Settings> Wireless> Mobile network settings does not allow access...
Can someone help resolve this situation.
Thanks,
I am also
having the same problem. I purchased a used Vibrant from my friend whom defaulted on his bill so he sold his phone to me. When I attempt to use the T Mobile prepaid SIM or a regular T Mobile SIM it will not allow me to connect to the network. It stays on (Searching) or (No Service) but the date and time updates so I know it is connecting, just not able to use the network. Is there anyway to get around this problem or do I need to root and unlock to go to another carrier?
Hi guys I am having similar issue, please help
I was using bionix 1.3.1 by team whiskey, whats your advice do I change to ICS, will that solve the problem or simple radio upgrade will solve the matter? I have gone through several sites and found that this problem is with many android mobiles since last 2-3 years. Is there no solution to this yet! I have tried Airplane mode, removing battery, downloading autocut and all those basic methods but to no help ...
I have the same problem, did anybody find a solution?
I tried everything, flashed to stock, GB, ICS, JB.
My phone is unlocked and it only works on AT&T, the sim card is good, as I'm using it on my backup phone.
alberto02005 said:
I have the same problem, did anybody find a solution?
I tried everything, flashed to stock, GB, ICS, JB.
My phone is unlocked and it only works on AT&T, the sim card is good, as I'm using it on my backup phone.
Click to expand...
Click to collapse
So you have a T-Mobile sim that won't work on a vibrant?
???
samsgun357 said:
So you have a T-Mobile sim that won't work on a vibrant?
???
Click to expand...
Click to collapse
Same here. This all happened when I let my friend borrow my phone to put his SIM on it. It was a prepaid Simple Mobile SIM. It didn't work but after I went to put my SIM card back into my Vibrant, the phone never got service.
Funny thing is, my SIM works on one of my older phones, so I know the SIM still works, but my Vibe gets messages like "out of service" and "not registered on network" even through it still has some bars.
I think the problems relates to this thread: http://forum.xda-developers.com/showthread.php?p=37703090#post37703090
Somehow the bands on your device is messed up so you never get a signal. Not sure how to fix it but any solutions would be great.

Got Scammed with htc raider but can i fix it

Hi
i bought a htc raider from kijiji locked with rogers. the person who gave me the phone told me that it is locked with rogers so at the spot i just checked the functions like wifi etc and nothing much. after when i inserted the rogers sim card it did not recognize the sim card and still said no service. there were not signals coming and there was a cross on top of the bars. i tried it with other rogers sim card and the same problem. went to setting about phone network and every thing was disabled . i reset and hard reset but the same problem. i tried to get the imei number by pressing *#06# it just showed the letters"IMEI" but there were no numbers beneath it. i went to setting to check the imei number but nothing was mentioned there either. there was a imei number pasted on the rogers box and under the battery so i called up rogers to ask about the phone and they said it was refurbished phone and it is out of warranty so they cannot help me out.
is it a possibility that the guy tried to unlock the phone and could not do it correctly. is there any ways i can do some thing about the phone. every feature is working fine but the every thing related to calling features. its like now a ipod of android
please help me. if unlocking , unrooting is the option please tell me or paste a link to do that. if you require more information to resolve this issue please mention in the comments and i will let you guys know
thank you

[Q] Samsung Galaxy S3 (UK) Blocked?

Hey guys,
Well where to I begin. Well to start I have been trying to fix a Samsung Galaxy S3 since two days ago and I have had absolutely nothing but headaches for most of that time. My friend came to me and asked me to fix the phone. I fear that it is IMEI blocked by the network (It was on 3 for the UK and when I unlocked it it went to GiffGaff in the UK) but it had been working for about a year before this and I am not sure why it has been blocked now. The phone just keeps on saying "Not registered on network for the Sim card inserted in it for Giff Gaff)
I have tried to see if there was something wrong with the IMEI number but as far as I can see the phone has the right number with it.
I am wondering what else I can do because I have tried factory resetting it, using the EFS professional incase it had something to do with the EFS, though I don't think it does.
Can anyone point me in the right direction? Thanks a million.
KasaiWolf said:
Hey guys,
Well where to I begin. Well to start I have been trying to fix a Samsung Galaxy S3 since two days ago and I have had absolutely nothing but headaches for most of that time. My friend came to me and asked me to fix the phone. I fear that it is IMEI blocked by the network (It was on 3 for the UK and when I unlocked it it went to GiffGaff in the UK) but it had been working for about a year before this and I am not sure why it has been blocked now. The phone just keeps on saying "Not registered on network for the Sim card inserted in it for Giff Gaff)
I have tried to see if there was something wrong with the IMEI number but as far as I can see the phone has the right number with it.
I am wondering what else I can do because I have tried factory resetting it, using the EFS professional incase it had something to do with the EFS, though I don't think it does.
Can anyone point me in the right direction? Thanks a million.
Click to expand...
Click to collapse
yep mate phone defo blocked you will have to change imei to get it working again.
Changing IMEI is illegal and forbidden on XDA .
Google IMEI checker see if it registers as blocked .
Then go and read the faqs and guide or pay for a service repair .
Basics read first.
http://forum.xda-developers.com/showthread.php?t=2344125
Critical you read the first two posts .

Lost IMEI of Dual S9 Plus

Hello to forum and sorry for my English.
I recently bought an S9 Plus Dual Sim. The phone has a strange problem. It can only recognize the one of 2 sim cards ( sim number 1) and has signal but whenever i am going to make a call, gives me the error :“Not registered on network”.
The sim card in the second place of sim tray, is not reading by phone.
The phone has only one IMEI in the settings and when i dial the code *#06#.
The back cover of the phone has 2 IMEI and the one is the same as this i can read in the settings.
I installed the confirmation firmware and i dial up again the *#06# with the same results.
I made a call to official Samsung and the phone is clean and unlocked.
I am so comfused.
Can anyone expain me what is the problem ?
It's very strange... But you can try to send it to warranty service and hope that they will substitute it

Bought a s9+ need help

I bought a S9+ online from someone on facebook but when i put in my sim card in it would work for like an hour before it my sim get network blocked saysing "sorry, this phone is blocked from your netowork." and the sim card is still blocked when i put it back in my old phone, will rooting my device fix this problem? or how do i fix this problem?
Maybe unregistered imei..
Call the carrier and request support on the issue. If it is the sim card they can fix it.
If it's not the sim card and it's the phone causing it then the phone is probably blacklisted. The carrier can tell you if this is the case. If they do say the phone is blacklisted then you cant fix it, the IMEI is blocked on the network.

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