Cannot unlock At&t galaxy S4 sgh-i337 - Upgrading, Modifying and Unlocking

Hi, I recently bought a used Samsung galaxy s4 sgh-i337 used on Craig's list. The seller said it was unlocked and she was using it on net10. I ran the imei and swappa said it was not stolen. I purchased 2 different unlock codes online and was told that the imei was not on the att network. I contacted att for a unlock code and they said the imei is not on their network. Now the imei reads 00 after doing " golden restore" . anyone know how I can fix this phone and use it on T-Mobile?

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TMobile NOTE 3 - BAD IMEI works on Tmobile?

I'm a Canadian (Rogers) customer. I just picked up my TMobile (bad IMEI) Note 3, that I purchased off EBay, hoping to unlock it and use it on the Rogers Network back at home. I was told that the IMEI is bad. I'm staying here (USA) for a few days so I bought a TMobile Pay as you Go Sim for my Unlocked S4. Experimentally, I slipped the SIM card into the NOTE 3 that was supposed to have BAD IMEI, and it works!!! Is it supposed to? It's on 4.4.2, now i'm hearing its not unlockable.. true??? HELP HELP HELP!!
It's not supposed to. Keep using it and see what happens and report back to us
This worked to unlock mine. I'm on T - Mobile and I'm no longer carrier locked.
https://play.google.com/store/apps/details?id=eu.chainfire.regionlockaway
Sent from my SM-N900T using XDA Free mobile app
samething happened with me. Have you checked the imei with the imei checkers online? I Traded phones it was clean at the time. I unlocked it then used with att. tmobile blocked it 1 month later and i've been using it on att for the past year. you should be fine till you put your rogers in.
kweese said:
I'm a Canadian (Rogers) customer. I just picked up my TMobile (bad IMEI) Note 3, that I purchased off EBay, hoping to unlock it and use it on the Rogers Network back at home. I was told that the IMEI is bad. I'm staying here (USA) for a few days so I bought a TMobile Pay as you Go Sim for my Unlocked S4. Experimentally, I slipped the SIM card into the NOTE 3 that was supposed to have BAD IMEI, and it works!!! Is it supposed to? It's on 4.4.2, now i'm hearing its not unlockable.. true??? HELP HELP HELP!!
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Try checking the imei on T-Mobile USA website it should tell you if bad, swappa lags behind on status. If it is bad it will probably take a month or or more to actually register on the network and get flagged

[Q] Bad imei with T-mobile

Hello, I recently purchased a z1c off Swappa, and a recent imei check came back with the phone being financed. Swappa doesn't allow the sale of phones with bad imeis so I'm sure it was clean when it was sold to me. I also sold my nexus 4 that I bought from Google, and the buyer informed me that the imei has the same issue. I called T-mobile's customer service and they told me that the imei was clean. Is there something wrong with T-mobile's network where they accidentally flag phones as financed? Both the phones were definitely purchased unlocked, as the z1c is only available stateside via Sony, and there is no way that the nexus 4 I sold could be financed since I bought it straight from Google. Any thoughts?

[Q] T-Mobile cell SIM in AT&T tab? Possible?

So long story short I can't figure this one out... I have a spare line (Tmobile) with truly unlimited data and I'd like to use it in a tablet. I have been told it's (impossible) by a tmobile store. This is the same store that told me I can't teather past 5gb until I told him I'm rooted and custom. I'd love to get a galaxy tab s on my unlimited data! Please advise.
P.S XDA is Awsome!!!
I have the TabS 8.4 T707 for AT&T. The tablet is SIM locked to AT&T but you can contact them for the unlock code if you paid full price for it. I bought mine from BestBuy and it took about two weeks for AT&T to get the unlock code to me. It was a big pain to get that code.
I'm using mine for international travel and it registers on the networks. Just check which LTE bands Tmobile uses.
Also, the tablet is on sale right now for $380 at BB.
LochNiss said:
I have the TabS 8.4 T707 for AT&T. The tablet is SIM locked to AT&T but you can contact them for the unlock code if you paid full price for it. I bought mine from BestBuy and it took about two weeks for AT&T to get the unlock code to me. It was a big pain to get that code.
I'm using mine for international travel and it registers on the networks. Just check which LTE bands Tmobile uses.
Also, the tablet is on sale right now for $380 at BB.
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Hi Lochniss,
How can you get ATT to provide you the unlock code? I tried device unlock request and ATTMobilitycare, and both said that the unlock code is not available.
I also bought the TabS from Bestbuy and unable to unlock it.
Regards.
Vrance Lam
vrance - I had to go through the "AT&T Chairman’s Office of Executive Escalations (ERT) team". I don't know if you can call 611 and ask for them??? I came into contact with them when I filled a BBB complaint stating ATT did not unlock my unsubsidized mobile device. I was rejected a couple of times but did not give up. Finally the person with ERT had Samsung USA contact Samsung Korea to get the code. I cannot understand why ATT does not have the code, but it blows my mind that Samsung Korea has it.
For everyone reading this... please be courteous and patient with these guys. They did not set up the ATT system nor do they have the solutions at their fingertips. As I am doing with the community, just guide them to the answer.... good luck.
There's much easier way if you have an active ATT account (phone account is OK). Just insert your ATT sim into your tab s, give it a few hours until ATT system update your phone information (you should be able to see tab s as your new phone in your online account page). By this time, your imei is in ATT database, you should now be able to request your unlock code thru their online system. It took less than 24hrs for me to get mine.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app
Hi Xiaonan80, thanks for your advice. Will try that route. Do u know if ATT prepaid SIM card is ok to let the IMEI is in the ATT database? I am not a ATT customer, but can try buying a prepaid SIM to try it out.
vrance said:
Hi Xiaonan80, thanks for your advice. Will try that route. Do u know if ATT prepaid SIM card is ok to let the IMEI is in the ATT database? I am not a ATT customer, but can try buying a prepaid SIM to try it out.
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Sorry, dont know if prepaid would work. I have postpaid account.
Sent from my SM-T705 using XDA Free mobile app

Blacklisted Tmobile S6Edge+ On ATT

CAN YOU FIX BLACKLISTED IMEI? I was looking for in so on blacklisted devices and how to use on different networks
is the imei marked as blocked or lost/stolen
I have this same exact question. I have one but it was blacklisted due to non-payment. T Mobile isn't working with me with paying it off. Its unlocked and working on att now but my account was canceled last week. I'm so worried that I'm going to get 2 months down the road and its going to stop working. Does anyone have experience or know if this will happen?
I have one also i bought it for $500 and the phone was put on hold because previous owner did not pay it.
Sunderwear said:
is the imei marked as blocked or lost/stolen
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Yes the imei is not blacklisted i was just wondering is I had to do the imei unlock and fix to use on a different network
Kevin36 said:
I have one also i bought it for $500 and the phone was put on hold because previous owner did not pay it.
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Have u tried it on att
From what I understand, if a phone's imei is blacklisted on a US carrier, it will not work on any of the other US carriers.
Bad Imei
Dewaynelives said:
Hey all i just bought my wife a Blacklisted Tmo s6edgeplus and it is a tmobile phone i was thinking bout having it unlocked but was wondering if i unlock it if it would work on att even tho its Blacklisted On Tmobile? I mean it is a Tmobile Brandes S6 Edge Plus and i wanna use it on ATT will it work? I wanna use on Gophone
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Imeifix.com
Dewaynelives said:
Hey all i just bought my wife a Blacklisted Tmo s6edgeplus and it is a tmobile phone i was thinking bout having it unlocked but was wondering if i unlock it if it would work on att even tho its Blacklisted On Tmobile? I mean it is a Tmobile Brandes S6 Edge Plus and i wanna use it on ATT will it work? I wanna use on Gophone
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Someone in ebay do a remote imei repair for samsung s6 edge plus tmobile he charged $50 for it just type in search box in ebay "imei repair"
From my experience, I have a tmobile unlocked s6 edge plus blacklisted working with cricket (att)
Did the imei repair work
i can fix it, I'm a respected mobile repair shop in San Jose, if you want it repaired, you can send payment on paypal, and get it done only $45!!!
dm me
same issue but with T-mobile I need some help if any of you have the solution.
Almost 2 years ago if your phone blacklisted on T-Mobile it will work on AT&T and other carriers, now they have something like network agreement or shared database, so if th ephone get blacklisted on T-Mobile it will go bad on all within few weeks/days/months.
Now the other thing which is fixing/repairing imei on ebay it's kinda crazy because they use public certificates, which means the same imei shared/used on 100 + phone so when it get stolen/blacklisted you need to buy the service again.
the imei repair starts at $25.00 up to $99.00 depends on model and who doing and they willing to use private cert of public one.
you can use imeidata.net to check your imei blacklisted on which company and clear on which one, because swappa and other sites doesn't give you details about it.
at last there is other solutions without going through all the above and they cost less than repairing your imei such us unbarred & imei cleaning
otherwise if you still wanna repair it or check i could help with providing cheap solutions.
hello guys if you have tmobile samsung galaxy s6 edge or galaxy s6 and phone imei is blocked i will buy and give you top dollars cash today hit me up please
solidus636 said:
i can fix it, I'm a respected mobile repair shop in San Jose, if you want it repaired, you can send payment on paypal, and get it done only $45!!!
dm me
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Hi can you fix, OnePlus 7 pro TMobile blocked imei

N910V Sim unlock any solution???

Is there any way of unlocking Note 4 from Verizon? I bought unlock code from ebay, but phone doesn't accept any codes.
Seller gave me NCK and SPCK codes.
I tried different ways...like
- #7465625*638*NCK#
- #0111*NCK#
- *#197328640#
- #7465625*638*#.....
The phone shows "Not verizon card" and no network(((
I tried to switch network modes , but it has not brought results.
How to enter the unlock code network???
SM_n910V
5.0.1
All Verizon LTE devices are usually already unlocked. No need to buy an unlock code.
I bought 2 from Walmart and they are both Sim-Unlocked.
Don't worry about the persistent message. That is normal because you are not using a Verizon sim. Keep in mind it will only work with AT&T, T-Mobile and their perspective MVNO companies.
If you are using AT&T, you must Google the APN settings for that carrier and vice-versa for T-Mobile networks. If you will be using MetroPCS, you will have to go to the closest store and have them add your IMEI to the database.
AGAIN I REPEAT.... The Verizon Samsung Galaxy Note 4 N910V is already carrier unlocked. It will NOT work with CDMA companies that use ESN/MEIDs like Sprint, Virgin, or Boost.
Sent from my SM-N910V using Tapatalk
My phone activation fails. The phone is blacklisted by Verizon. And imei don't match on the sticker and in the about screen.
My note4 behave like N910V with N910T's imei.
Is there any solution to unlock it or which way to repair it?
Activation and blacklists have nothing to do with this phone being sim-unlocked. If it's blacklisted, then it is junk. Sorry but you have a paper-weight.
Sent from my SM-N910V using Tapatalk

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