Develop Bugs

[Q] anybody else having problems with thier sim not working or picking up network

been using the the phone for a few days and suddenly stopped picking up signal or network connectivity. i have tried hard reset, rooting and even check my imei and its clean not blocked what do. halp.

saw01 said:
been using the the phone for a few days and suddenly stopped picking up signal or network connectivity. i have tried hard reset, rooting and even check my imei and its clean not blocked what do. halp.
Click to expand...
Click to collapse
U need a new simcard.... Go to a corporate store they'll give u 1 for free... Happened to me b4
Sent from my SGH-T989 using XDA Premium App

mightymike889 said:
U need a new simcard.... Go to a corporate store they'll give u 1 for free... Happened to me b4
Sent from my SGH-T989 using XDA Premium App
Click to expand...
Click to collapse
nope my sim card is working on my old galaxy s vibrant. this just happened out of the blue. don't know what else to do really lost.

saw01 said:
nope my sim card is working on my old galaxy s vibrant. this just happened out of the blue. don't know what else to do really lost.
Click to expand...
Click to collapse
Go to Tmobile...
Sent from my SGH-T989 using XDA App

saw01 said:
nope my sim card is working on my old galaxy s vibrant. this just happened out of the blue. don't know what else to do really lost.
Click to expand...
Click to collapse
I concur on going to T-Mobile and getting a new sim card for free.
In the least it sounds like your card works partially, so why not get a new fully functional one...

I had the EXACT same thing happen to me.
Call tmobile and have them send you a replacement phone--it was the only thing that worked.
(mine happened within a day of sim unlocking my phone...no clue if there was a connection).
tmobile WILL replace your phone, even if you bought it on craigslist. When the guy tells you 'no', tell them you would like to speak with someone about canceling your account.
Tell that person your story--how you are a good customer, how this phone was working, doesn't work now, etc...
Tell them that AT&T (true) will replace a phone you bought on craigslist, as long as it was an ATT phone and still under warranty.
This worked for me.
Worst case, you can send it back to samsung (but they won't send you a replacement...you have to send it in)
Good luck!

note not recognized on network

Hey guys
Im in a bit of a pickle, I have been running the tmobile note 2 on simple mobile since it came out with no problems at all. After I did the update for the multiple window, the device does not connect to the simple/tmobile network. The device is unlocked and running all stock. I have tried almost everything, my sim card does work on other phones and other networks sims work on the note perfectly, I have done a factory reset, I even sent the phone to Samsung with no luck they say that everything was ok during their testing, but its not. I read somewhere that turning on and off the airplane mode for a while until it locked in with the network but nothing. I do have the correct apn settings, but still says that I cant connect to the network "not authorized"
Any ideas?

I would contact simple mobile or goto tmobile store and explain the situation. Maybe they will swap the sim card

asidrave said:
I would contact simple mobile or goto tmobile store and explain the situation. Maybe they will swap the sim card
Click to expand...
Click to collapse
i tried different sim cards from simple with no luck
do you think flahing the stock 4.1 of the note woul solve this?

Where did you get the phone? It sounds like it could possibly be imei blocked. Call t-mobile, tell them you want to check to see if the imei is blocked, give them the imei from the settings menu. If it's blocked and you didn't buy the phone brand new, you might be screwed.
If it's not blocked, try other suggestions from this thread. Gl man

If he's on simple mobile most likely he bought it from CL and got boned.
Sent from my SGH-T889 using xda premium

Nope, I got it on eBay as soon as it came out.

Sorry lol thank you by accident lol. My response is simple call ask tmobile why your not getting connection if that doesnt explain it then you have no choice to say your phone is a defect. If you hsve insurance make a claim. Or try use the same sim on another note 2 phone.
Sent from my SGH-T889 using xda app-developers app

Can you swap in someone else's (working) sim that is tmo/simple? If that does not work, that might point toward the imei blocked theory.
sent from my phabulous phablet using xda premium

The easiest way to test the imei theory is to call TMobile and tell them you have a phone you want to make sure is not imei blocked. Might take a couple calls to get a rep that knows what you're talking about. Try to get to technical support if you can.
Getting a TMobile phone from anywhere other than a TMobile store is now a crap shoot with their imei blocking policies. I understand the theory of why they do it, but it sure seems like there could be a better solution. At the very least, one should be able to pay to have it unblocked.

Did you try going to Settings> More Settings> Mobile Networks> Network Operators> Avaliable Networks> Default Setup> Manual & Choose T-Mobile/Simple Mobile Network?
Sent from my SGH-T889 using xda premium

chiwire2000 said:
Nope, I got it on eBay as soon as it came out.
Click to expand...
Click to collapse
Imei blocked for sure. Someone bought it, threw it on eBay and then didn't pay their bills. That's what happens.
Sent from my Amaze 4G using xda premium

[Q] IMEI blocked?

Okay so I found galaxy note 2 from a craiglist deal, popped in sim card, everything worked great as its a tmobile version but said per seller that it was unlocked. 30 minutes later after the deal my device had been blocked from network use. My sim would no longer work in my older phone, so I called and got that fixed, but I now have a stupid nice phone that im using for a paper weight. Obviously the person who sold it to me either knew it was reported lost or stolen, or reported it after selling it to me, its whatever it happens right.
What are my options? I really want to be able to use this phone and spent a lot of money on it. I appreciate all input.

Try using another sim card I suppose
Sent from my Xperia Ray

I did, I even went to the AT&T store and they gave me a new sim card and it worked, made calls, surfed the web for like 10 minutes and the same thing happened.

pr0cl1v1ty said:
I did, I even went to the AT&T store and they gave me a new sim card and it worked, made calls, surfed the web for like 10 minutes and the same thing happened.
Click to expand...
Click to collapse
the only thing you can do is have the seller call att or tmobile, what ever its branded and tell them they found the devise and att can unblock the imei

Sounds like u was scammed.
Sent from my SGH-T889

Only other option may be to try it on the other carrier. If it's a TMo phone, try it on ATT and vice versa.
---------
G1(CM7)--> G2(CM9)--> Note 2 T889 stock (root + multiwindow mod)

darocsfinest1 said:
the only thing you can do is have the seller call att or tmobile, what ever its branded and tell them they found the devise and att can unblock the imei
Click to expand...
Click to collapse
Yea, I've been trying to figure out how to lookup the original buyer of this phone.

pr0cl1v1ty said:
Okay so I found galaxy note 2 from a craiglist deal, popped in sim card, everything worked great as its a tmobile version but said per seller that it was unlocked. 30 minutes later after the deal my device had been blocked from network use. My sim would no longer work in my older phone, so I called and got that fixed, but I now have a stupid nice phone that im using for a paper weight. Obviously the person who sold it to me either knew it was reported lost or stolen, or reported it after selling it to me, its whatever it happens right.
What are my options? I really want to be able to use this phone and spent a lot of money on it. I appreciate all input.
Click to expand...
Click to collapse
If it is locked. Unlock and use through other carrier either tmobile or something that uses tmobile network mvno. If u have att note 2.

Its starting to look like its just not safe to buy this phone off Craigslist...
Sent from my SGH-T889 using xda premium

Its not this phone. Its any phone. Run the numbers before you buy like a good consumer
Sent from my SGH-T889

I don't know if you guys have reading comprehension problems or what... Dude said he used on tmo for 30 minutes and then got blocked, and then did the same thing with AT&T. For those of you that don't know AT&T and T-Mobile now share their blacklists, meaning it will not work on any carrier that uses any of those towers. Sad to say your best option would be to sell to an international user on celltraderonline. Be very clear that it is on the US blacklist and will not work with AT&T, T-Mobile or their sister carriers.

Have you tried any T-Mobile or AT&T MVNO's like Simple Mobile or Red Pocket? That might work. If not your pretty much screwed. Unless you use it in another country.
Sent from my SGH-T889 using xda app-developers app

JOSE89178 said:
Have you tried any T-Mobile or AT&T MVNO's like Simple Mobile or Red Pocket? That might work. If not your pretty much screwed. Unless you use it in another country.
Sent from my SGH-T889 using xda app-developers app
Click to expand...
Click to collapse
Wow, I guess you didn't read my post above yours.

I have been "burnt" also with buying a T-Mo Note 2 on Craigslist. I used my phone for 2 mos before it got blocked from T-Mo. I used the dialer tricked and unlocked the phone and now using it on Straight Talk Att sim. But you are right you can't use it on T-Mo network or any of the mvnos. You can only use it for ATT mvnos. I get 4g speeds and everything.

KillaHurtz said:
Wow, I guess you didn't read my post above yours.
Click to expand...
Click to collapse
Wow, I guess two people can't answer at the same time.
The posts are just three minutes apart.

I guess you read my mind lol. I never saw your post. I never would of posted something double and make myself look like a fool CD they were less then 3 min apart. So excuse me :banghead:
Sent from my SGH-T889 using xda app-developers app

dwest3784 said:
I have been "burnt" also with buying a T-Mo Note 2 on Craigslist. I used my phone for 2 mos before it got blocked from T-Mo. I used the dialer tricked and unlocked the phone and now using it on Straight Talk Att sim. But you are right you can't use it on T-Mo network or any of the mvnos. You can only use it for ATT mvnos. I get 4g speeds and everything.
Click to expand...
Click to collapse
if the phone has been imei blacklisted it will not work on any united states gsm service that includes straight talk... highly doubt you have a blocked phone working on straight talk

I had another thread going about being blocked on imei.
I just called tmobile and talked to them for about thirty minutes about my situation.
A quick summarization of the conversation is:
- The previous owner has been accused of fraud so that is the reason of the blocked IMEI.
- Can't do anything to unblock it, unless the previous owner retracts ther dues or whatever it is that needs to be payed.
- No third party unlocking will work.
Well for me, I fortunately have his information such as address and phone number and the text conversation still logged on my old phone. Luckily I called him today as a private number to check if he's phone still worked and still does, thank god.
Now I'm planning on calling him up tomorrow and, professionally, tell him my situation. When I met the guy, he didn't seem like a bad guy but hey, never judge a book by it's cover eh.
If he refuses any of these or won't agree to a median than I'll have to take legal actions.
That's my plan that is. I am not going to let $600.00 go to waste on a blocked phone! I'm taking this guy all the way.

*#06#
Sent from my SGH-T889 using xda premium

not sure but can't you get rid of your IMEI by flashing a bunch of times? I had this happen with my SK4G, my IMEI number under settings was a bunch of 0s. When I called up T-mobile and asked for an unlock code for the phone, it didn't work because my IMEI was screwed up. I ended up having to alter some Hex file in order to unlock it

Your sim card does not allow a connection to this network

Hi guys, I am sorry if it was already posted here, I could not find similar topics or posts. I have a problem with the network. When I try to call someone it says 'not registered on network'
I have been using galaxy s3 tmobile since last year november. I bought it from a police officer, he gave me unlock codes from tmobile. I used the phone on tmobile for 6-7 months and than I switched to staright talk unlimited and have been using it till yesterday. Yesterday suddenly my phone/ data/ sms.... stopped working. I was using cm10.1.3 than I thought, it is related to kernel/radio or modem and flashed back to stock rom.
But I still have the same problem.
The signal bar is full. I went to apn setting and played with it little, but no results. I tried to connect to the network, it says ' sim card does not allow a connection to this network'. I chatted with tmobile agent: she said, it must work on any network other than tmobile. I put my sim card on iphone, it works, but when I insert any simcard on my phone, it gives same issue. I checked my imei on tmobiles network, the result is: imei blocked. Could anyone help me with it please. ???? :banghead:
Sent from my SGH-T999 using xda app-developers app

bek23 said:
Hi guys, I am sorry if it was already posted here, I could not find similar topics or posts. I have a problem with the network. When I try to call someone it says 'not registered on network'
I have been using galaxy s3 tmobile since last year november. I bought it from a police officer, he gave me unlock codes from tmobile. I used the phone on tmobile for 6-7 months and than I switched to staright talk unlimited and have been using it till yesterday. Yesterday suddenly my phone/ data/ sms.... stopped working. I was using cm10.1.3 than I thought, it is related to kernel/radio or modem and flashed back to stock rom.
But I still have the same problem.
The signal bar is full. I went to apn setting and played with it little, but no results. I tried to connect to the network, it says ' sim card does not allow a connection to this network'. I chatted with tmobile agent: she said, it must work on any network other than tmobile. I put my sim card on iphone, it works, but when I insert any simcard on my phone, it gives same issue. I checked my imei on tmobiles network, the result is: imei blocked. Could anyone help me with it please. ???? :banghead:
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
If the IMEI is blocked then the seller has reported the phone to be stolen. There's not much that can be done in that case to the phone. You can talk to the Seller if you want.

Doesn't sound like a police officer to me. Probably lied to you to make the sale. Either he reported it lost/stolen like Perseus said, or he never fully paid it off and stopped making payments. Either way, the device is now almost certainly considered to be stolen property. You can unlock it and sell overseas, but otherwise you are pretty much screwed I am sorry to say.
You need to call T-Mobile to find out why it's been blacklisted. If it's been reported stolen, or was never fully paid for try to contact the seller and ask about it. If you can't get in touch with him you may want to consider filing a police report.
Only other possibility, but highly unlikely, is if some a$$ cloned their device using your imei (either randomly entered or obtained some other way). In this very unlikely scenario it wouldn't be the sellers fault, unless he gave the IMEI to someone to use or used it himself.
It's much more likely the seller did this to you since this, unfortunately, happens all the time.
Like stated previously, there isn't much you can do if you can't resolve things with the seller.
Sorry to hear about your misfortune.. good luck though.
Sent from my SGH-T999N using Tapatalk

Thank you for the replies, I have called tmobile, they say it's not fully paid off or the customer has stopped the services at all, at the time of purchase I was 100% sure he was police officer, he showed his badge and all the stuff in the car.
How can I unlock it? I might want to sell overseas.
Anyway, I was thinking about move to n5, but it is too early, coz n5 is not out yet
Sent from my SGH-T999 using xda app-developers app

In the general section is a SIM Unlock thread. Should be on the first page or two.
If he is actually a cop, I'd call him up and ask about it. If he only recently cut his service, it may have been unintentional that you got screwed as a result. Maybe he had forgot all about it. Considering how long it's been, he probably had it close to paid off, so maybe he'd be willing to pay off the balance to T-Mobile to have it unblocked. Or it might be worth it to you, depending on the amount owed, to pay it yourself if he can't or won't.
Granted, it would suck to have to, but if he only owes like $50, might be worth considering.
Sent from my SGH-T999N using Tapatalk

bek23 said:
Thank you for the replies, I have called tmobile, they say it's not fully paid off or the customer has stopped the services at all, at the time of purchase I was 100% sure he was police officer, he showed his badge and all the stuff in the car.
How can I unlock it? I might want to sell overseas.
Anyway, I was thinking about move to n5, but it is too early, coz n5 is not out yet
Click to expand...
Click to collapse
If its not paid for then t-mo will release it after you pay up. Nexus 5 is ways away. You will have to go without a phone.
Unlock, ask T-mo or use online services on ebay

Well it is pre unlocked, or should I unlock again?
Sent from my SGH-T999 using xda app-developers app

bek23 said:
Well it is pre unlocked, or should I unlock again?
Click to expand...
Click to collapse
No Need. If you know its unlocked then go ahead and sell Overseas.

Thank you very much who helped me with this issue, and of course the seller cut his services and even his number is not available anymore, no replies from email, but I am happy that nexus 5 is play store now, yeey
Sent from my SGH-T999 using xda app-developers app

[Q] sgh-m919 imei null or hardware issue?

hi there, i have an sgh-m919 which is 4months old. it worked fine for the first 3 then one night without warning, the cell-signal indicator turned into a circle with a line through it, indicating no carrier.
did some looking, seems that the imei is now reading as unknown (i did not try to root or do anything to it for this to occur). this is not a stolen device and the people i bought it from can't help.
after perusing your excellent help/forums, i tried rooting, reflashing stock tmobile, triangle-away, u name it, same result- imei unknown, circle with line through it.
i am wondering if i have a hardware fault which is causing this because of the many things i have tried, none seem to change this one issue. Note that when i press the codes to go into service mode, the screen shows a blank service mode, as opposed to a menu which is what is supposed to be there. So i am really puzzled if this is a hardware fault which is disallowing the drivers or whatever to initialise?
my question is- is there some diagnostic i can run which will interrogate the hardware and report if there is a failure? i would like to keep the phone stock samsung tmobile as opposed to rooting etc.
any assistance would be appreciated
thanks
Greg

rookoorarr said:
hi there, i have an sgh-m919 which is 4months old. it worked fine for the first 3 then one night without warning, the cell-signal indicator turned into a circle with a line through it, indicating no carrier.
did some looking, seems that the imei is now reading as unknown (i did not try to root or do anything to it for this to occur). this is not a stolen device and the people i bought it from can't help.
after perusing your excellent help/forums, i tried rooting, reflashing stock tmobile, triangle-away, u name it, same result- imei unknown, circle with line through it.
i am wondering if i have a hardware fault which is causing this because of the many things i have tried, none seem to change this one issue. Note that when i press the codes to go into service mode, the screen shows a blank service mode, as opposed to a menu which is what is supposed to be there. So i am really puzzled if this is a hardware fault which is disallowing the drivers or whatever to initialise?
my question is- is there some diagnostic i can run which will interrogate the hardware and report if there is a failure? i would like to keep the phone stock samsung tmobile as opposed to rooting etc.
any assistance would be appreciated
thanks
Greg
Click to expand...
Click to collapse
Did you buy it from a store? If so take it back to the store and demand they give you a new one.
Did you buy it from a person selling it second hand? If so they screwed you over. They sold you the phone then reported it stolen later and got themselves a brand new on on a warrenty claim. As soon as they report their current one stolen T Mobile blacklists the IMEI. Call the cops on them. Call the warrenty company too any let them know that a fraudlent claim was filed.

Skipjacks said:
Did you buy it from a store? If so take it back to the store and demand they give you a new one.
Did you buy it from a person selling it second hand? If so they screwed you over. They sold you the phone then reported it stolen later and got themselves a brand new on on a warrenty claim. As soon as they report their current one stolen T Mobile blacklists the IMEI. Call the cops on them. Call the warrenty company too any let them know that a fraudlent claim was filed.
Click to expand...
Click to collapse
hi, thanks for your reply.
yes i bought it from a store and when i took it to them for service, it just sat there for 2 weeks before i pulled it back. they did not work on it and when i diagnosed the imei problem, they replied that this has never happened to them before so i doubt they are capable of repairing this anyway.
based on your suggestion that the imei is blacklisted- if this is true, how come the issue doesn't go away temporarily when i flash to oem without a sim installed? the phone does not go onto the network at all- it shows that circle upon boot. i am thinking that if the imei was indeed blocked, it would allow the phone to go online to the carrier and then report it as unknown.
the issue seems to be that either the nv has been corrupted (which i am guessing would be rewritten over with a fresh one when flashed) or there is some hardware fault (such as the cell radio) which is causing this.
the phone works great on wifi, all apps work fine, everything seems normal except for the cellular/mobile ability.
that's why i am asking if there is a hardware diagnostic i can run to verify or deny this is the problem.
thanks
Greg

rookoorarr said:
hi, thanks for your reply.
yes i bought it from a store and when i took it to them for service, it just sat there for 2 weeks before i pulled it back. they did not work on it and when i diagnosed the imei problem, they replied that this has never happened to them before so i doubt they are capable of repairing this anyway.
based on your suggestion that the imei is blacklisted- if this is true, how come the issue doesn't go away temporarily when i flash to oem without a sim installed? the phone does not go onto the network at all- it shows that circle upon boot. i am thinking that if the imei was indeed blocked, it would allow the phone to go online to the carrier and then report it as unknown.
the issue seems to be that either the nv has been corrupted (which i am guessing would be rewritten over with a fresh one when flashed) or there is some hardware fault (such as the cell radio) which is causing this.
the phone works great on wifi, all apps work fine, everything seems normal except for the cellular/mobile ability.
that's why i am asking if there is a hardware diagnostic i can run to verify or deny this is the problem.
thanks
Greg
Click to expand...
Click to collapse
If you bought it from a store brand new then the imei is not likely the issue. At least not because its been blacklisted.
Again though, you bought it from a store. Its 4 months old and it broke. Take it back and tell them to give you a new one. What country are you in? Some countries have much stronger consumer protection rules.
Sent from my GT-P5110 using Tapatalk

I'm in Trinidad, West Indies (the Caribbean)
I have contacted t-mobile who says they can't help because I'm not a t-mobile customer and the people I bought it from are useless when it comes to service. They gave only a 30 day warranty so it's out.
Last resort, have contacted samsung, awaiting reply
Thanks
Greg
Sent from my SGH-M919 using xda app-developers app

rookoorarr said:
I'm in Trinidad, West Indies (the Caribbean)
I have contacted t-mobile who says they can't help because I'm not a t-mobile customer and the people I bought it from are useless when it comes to service. They gave only a 30 day warranty so it's out.
Last resort, have contacted samsung, awaiting reply
Thanks
Greg
Sent from my SGH-M919 using xda app-developers app
Click to expand...
Click to collapse
Have you pulled out the battery and looked on the back and checked the IMEI there to see if its blacklisted? If it isn't then you can push it back into the phone, I had the problem on my old s3 and I would think that the solution would be the same to fix it.
Sent from my GT-I9505G using XDA Premium 4 mobile app

I have the imei from the sticker under the battery but don't know the site to check for blacklisted imei's; guess I'll google it
I also don't know how to push it back onto the phone: all the free apps I tried don't work. The service menu is also blank.
Greg
Sent from my SGH-M919 using xda app-developers app

Yeah it sounds like something deleted out the information in the rom that holds that data.
I beleive in the etc folder.
I forget without looking.
There are many tools on the forum to backup IMEI data to prevent this from happening and restore it from backup if it does.
In this case, were presumably there is no backup, the phone will need to be serviced by samsung.

Agreed. Based on the number of ideas I tried from xda, the issue was never repaired so I hooe samsung can help
Thanks
Greg
Sent from my SGH-M919 using xda app-developers app

based on checks with several imei blacklist sites, it seems that my imei is blacklisted (wtf!)
i have emailed t-mobile to verify as well.
but here's a question- if my device got blacklisted on the night when the imei went null in the phone- was it deactivated by t-mobile (note, i am not a t-mobile customer, i am not in the USA) and if it was, how come flashing to samsung oem doesn't repair the issue?
i do not have a sim in the phone so it's not even going to try to connect to a carrier. i am confused if it could have been remotely disabled via t-mobile and how can i get this back up and running again?
Thanks
Greg

rookoorarr said:
based on checks with several imei blacklist sites, it seems that my imei is blacklisted (wtf!)
i have emailed t-mobile to verify as well.
but here's a question- if my device got blacklisted on the night when the imei went null in the phone- was it deactivated by t-mobile (note, i am not a t-mobile customer, i am not in the USA) and if it was, how come flashing to samsung oem doesn't repair the issue?
i do not have a sim in the phone so it's not even going to try to connect to a carrier. i am confused if it could have been remotely disabled via t-mobile and how can i get this back up and running again?
Thanks
Greg
Click to expand...
Click to collapse
The store you bought it from sounds shady if they won't honor the manufacturers warranty. They also seem to have sold you a stolen phone. Call the cops.
You will never get the phone unblacklisted.
Sent from my GT-P5110 using Tapatalk

Skipjacks said:
The store you bought it from sounds shady if they won't honor the manufacturers warranty. They also seem to have sold you a stolen phone. Call the cops.
You will never get the phone unblacklisted.
Sent from my GT-P5110 using Tapatalk
Click to expand...
Click to collapse
Partially right. He could call and find out if the phone is stolen or if it has a balance in it. If latter, you can pay the balance off and have the blacklist removed. But yes, report the store to the police. Shady business.
Sent from my SGH-M919 using XDA Premium 4 mobile app

xdapowerapps said:
Partially right. He could call and find out if the phone is stolen or if it has a balance in it. If latter, you can pay the balance off and have the blacklist removed. But yes, report the store to the police. Shady business.
Sent from my SGH-M919 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I don't think you can. Once the imei is on that blacklist I think its there to stay.
Sent from my GT-P5110 using Tapatalk

xdapowerapps said:
Partially right. He could call and find out if the phone is stolen or if it has a balance in it. If latter, you can pay the balance off and have the blacklist removed. But yes, report the store to the police. Shady business.
Sent from my SGH-M919 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Once blacklisted it's a done deal. Even if you offer to pay any balance owed tmobile will say no.
Only recourse is try and get a refund from the store.
☞ Sent from here☜???

baseballfanz said:
Once blacklisted it's a done deal. Even if you offer to pay any balance owed tmobile will say no.
Only recourse is try and get a refund from the store.
☞ Sent from here☜???
Click to expand...
Click to collapse
Try bringing really big scary mean looking guys with you into the store. See if the manager is more understanding of your issue when you have 'friends' there.

Lol great answers thanks to all so far
I have reported the blacklist to the store, awaiting reply now
I also wrote samsung who has referred me to a local dealer but I am waiting to see what the store does first.
Can anyone say how t-mobile did this? I do not have a t-mobile sim, I was using the phone on wifi as normal when the imei went null
How did t-mobile find the device to null the imei (I am not in the usa) and what exactly was done? What files or database on my device was deleted/erased?
Thanks
Greg
Sent from my SGH-M919 using xda app-developers app

rookoorarr said:
Lol great answers thanks to all so far
I have reported the blacklist to the store, awaiting reply now
I also wrote samsung who has referred me to a local dealer but I am waiting to see what the store does first.
Can anyone say how t-mobile did this? I do not have a t-mobile sim, I was using the phone on wifi as normal when the imei went null
How did t-mobile find the device to null the imei (I am not in the usa) and what exactly was done? What files or database on my device was deleted/erased?
Thanks
Greg
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Nothing was changed on your phone.
T Mobile blacklists the phone's serial number (IMEI) which is sent to the cell tower everytime the phone moves to a new tower or re-authenticates itself on a tower. If your IMEI is blacklisted then the network says it won't allow the device to authenticate.
Even though you don't use T Mobile you may still be using a T Mobile network. The 4 main US carriers sublet their networks to smaller carriers, and while I'm not super familiar with the cell carriers used in Trinnidad, I'd bet you anything that the US carriers opperate the networks there even if it's under different names or through subletting of the their networks.
There is also some ambiguity as to if cell phone carriers share those blacklists with each other. If they do, then getting blacklisted on one GSM network is the same as getting blacklisted on all GSM networks. I'm not sure if that's going on though.

Hmmmm then the issue I have is different. The device is showing a null imei so it never gets to register on the carrier
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rookoorarr said:
Hmmmm then the issue I have is different. The device is showing a null imei so it never gets to register on the carrier
Sent from my SGH-M919 using xda app-developers app
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Then something else happened that damaged the IMEI on your device.
But you specifically said you checked your IMEI against the blacklist and said yours was blacklisted. All advice that was given to you after that was based on that information.
If the IMEI is damaged on your device, then you need to find help elsewhere. We do not discuss how to repair/restore/replace IMEI's on XDA unless you have a previous backup of the EFS partition made in recovery for YOUR device. If so, just restore that backup. If not, you cannot use XDA to find out how to fix a bad IMEI. There are too many ways that information is used for evil and theivery and XDA will not be a party to the discemination of that information.

Agreed, understood.
If you look at my original question, you will see where I was querying a null imei. And as the thread continued, someone suggested I check the imei blacklist. I thought that t-mobile had done something remotely to my device to disable it, that's how I got to this point. My original issue still remains-null imei.
I understand that changing imei is illegal so I have not requested that. I was enquiring what could have happened to my device, given that I did not root or tamper with it in any way to cause a null imei.
If it is that the efs or nv or whatever file on the device got corrupted, I can accept that. Odd thing is that if it's a protected system file then how could it become corrupted in the first place.
Nevertheless, I do not wish to be blacklisted here on xda so I am not asking for advice on how to change imei.
If I knew I needed to backup whatever files before, I would have. But this is not my first Android (I owned a nexus one since it came out and it still works to this day) and I never had this issue of corrupted files. Granted, it is an older version of android.
I appreciate all the advice given so far.
Thanks
Greg
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