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Suggestions for Unlocking problem

Hello All,
Recently got an ATT branded 8X and so far, with a few minor issues, I love it. That said, I have a bit of a problem with unlocking. I purchased an unlock code from *htcsimunlock.com and then inserted my TMO UK sim. Phone booted up and then it asked me for the unlcock code. I enter it and it comes back as a sim error. I tried this with a TMO US sim too and had the same result. The company will not return my emails either so I am not getting much luck on that end either (buyer beware).
So, I thought I would come to the one place I always seem to get answers, whether I like them or not :crying:
Ideas please? Cheers.

mobi said:
Hello All,
Recently got an ATT branded 8X and so far, with a few minor issues, I love it. That said, I have a bit of a problem with unlocking. I purchased an unlock code from *htcsimunlock.com and then inserted my TMO UK sim. Phone booted up and then it asked me for the unlcock code. I enter it and it comes back as a sim error. I tried this with a TMO US sim too and had the same result. The company will not return my emails either so I am not getting much luck on that end either (buyer beware).
So, I thought I would come to the one place I always seem to get answers, whether I like them or not :crying:
Ideas please? Cheers.
Click to expand...
Click to collapse
Unfortunately, they sent you the wrong unlock code. The code is associated with the IMEI of the phone, not the SIM card.
Keep trying to contact them.

drtolson said:
Unfortunately, they sent you the wrong unlock code. The code is associated with the IMEI of the phone, not the SIM card.
Keep trying to contact them.
Click to expand...
Click to collapse
Thanks drtolson. I realize that the the IMEI is the basis for the CU. My problem is after it asks me for the unlock, I get an invalid sim error message. I think you may have misundertood my question.
I have tried repeatedly to contact them but they just ignore me. Not cool I know but thats the fact of it.
The only thing thats related here is the fact that both sim's have been TMO. I can't imagine it being an issue and it has not been with all the phones I've unlcoked before... I'm stumped.

The reason that you are getting the invalid sim error message is because the unlock is not working, then it detects that the sim is not an AT&T sim and says that it is invalid. You need to get the right unlock code. And get a refund for the wrong one that they provided you.

Never use any imei unlocking services!
99% of operators lock the phones by themselves due to a huge leakage at the manufacturer's side.
So i, as an unlocking expert for last 20 years, advise you all guys NOT to use any IMEI based services.
Most of the unlocking websites are offering a wide range of unlocking services based on your IMEI number, but for last 3 years, the amount of successful unlocks via IMEI is greatly dropped down to 1%. So if you got your phone unlocked by IMEI today it does not mean that the next phone will also be unlocked.
Moreover - nobody will return you the money before they earn enough, most of them are buying the codes same way you do but in bulk and before they get enough to cover what they have spent to get it - no returns Sometimes no returns at all.
It's a huge cheating and a gamble. The feedbacks they leave on their websites are written by themselves. And there are lot of tricks you guys don't know.
So just DON"T USE IT!
Use online unlocking solutions where you can see what is happening and for sure there is a person behind the unlocking software, so at least you have a chance to return your money.
Spread it.
Regards

Certainly seems like I'm the victim of a scam here. Now I have to decide if the $15+/- I've paid is woth all the aggrevation and time of a charge back. I hate being rooted if you know what I mean...
I've tried to contact these guys three more times since this post all to no avail. Please guys, keep this in mind if you're looking for an unlock. Don't use w.htcsimunlock.com/.
Perhaps we should have a sticky of unlock guys we know to be legit. What about you maxrfon? You have any way to unlock an 8X?
maxrfon said:
99% of operators lock the phones by themselves due to a huge leakage at the manufacturer's side.
So i, as an unlocking expert for last 20 years, advise you all guys NOT to use any IMEI based services.
Most of the unlocking websites are offering a wide range of unlocking services based on your IMEI number, but for last 3 years, the amount of successful unlocks via IMEI is greatly dropped down to 1%. So if you got your phone unlocked by IMEI today it does not mean that the next phone will also be unlocked.
Moreover - nobody will return you the money before they earn enough, most of them are buying the codes same way you do but in bulk and before they get enough to cover what they have spent to get it - no returns Sometimes no returns at all.
It's a huge cheating and a gamble. The feedbacks they leave on their websites are written by themselves. And there are lot of tricks you guys don't know.
So just DON"T USE IT!
Use online unlocking solutions where you can see what is happening and for sure there is a person behind the unlocking software, so at least you have a chance to return your money.
Spread it.
Regards
Click to expand...
Click to collapse

mobi said:
Hello All,
Recently got an ATT branded 8X and so far, with a few minor issues, I love it. That said, I have a bit of a problem with unlocking. I purchased an unlock code from *htcsimunlock.com and then inserted my TMO UK sim. Phone booted up and then it asked me for the unlcock code. I enter it and it comes back as a sim error. I tried this with a TMO US sim too and had the same result. The company will not return my emails either so I am not getting much luck on that end either (buyer beware).
So, I thought I would come to the one place I always seem to get answers, whether I like them or not :crying:
Ideas please? Cheers.
Click to expand...
Click to collapse
I use www(dot)cellunlocker.net. My carriers is Rogers Canada, currently using Virgin Mobile (Acquire by Bell) unlock successful.
Hope this help you.

maxrfon said:
99% of operators lock the phones by themselves due to a huge leakage at the manufacturer's side.
So i, as an unlocking expert for last 20 years, advise you all guys NOT to use any IMEI based services.
Most of the unlocking websites are offering a wide range of unlocking services based on your IMEI number, but for last 3 years, the amount of successful unlocks via IMEI is greatly dropped down to 1%. So if you got your phone unlocked by IMEI today it does not mean that the next phone will also be unlocked.
Moreover - nobody will return you the money before they earn enough, most of them are buying the codes same way you do but in bulk and before they get enough to cover what they have spent to get it - no returns Sometimes no returns at all.
It's a huge cheating and a gamble. The feedbacks they leave on their websites are written by themselves. And there are lot of tricks you guys don't know.
So just DON"T USE IT!
Use online unlocking solutions where you can see what is happening and for sure there is a person behind the unlocking software, so at least you have a chance to return your money.
Spread it.
Regards
Click to expand...
Click to collapse
The chance to get the right code is based on the professionality of the service you use... a good service offers you fully refund if you send in Video with the missing functionality of the code.
There are a lot of cheaters on the customer-side too...

Also got scamed by *htcsimunlock.com , but i have called my bank, their money gateway and posted a complain. I hope they dont get the money, because its only reserved. Shame..

Loshme said:
Also got scamed by *htcsimunlock.com , but i have called my bank, their money gateway and posted a complain. I hope they dont get the money, because its only reserved. Shame..
Click to expand...
Click to collapse
You know, now I'm not so sure... I also had a Lumia 900 and the battery went. ATT replaced it with a refurb and since my original phone was already unlocked by them they gave me the unlock code for that one too. I could never get it to work so I got on the phone with customer service. They took me through the steps and they could not get it either. They sent me another one again, warranty replacement and gave me an unlock code for that too. That didnt work.
Today I read this post on the Lumia forum; http://forum.xda-developers.com/showthread.php?t=2056808 I tried it and it worked. It unlocked my Lumia. I think I'll try the 8X tonight and see. If it does get unlocked, I'll let you know.
I have nothing to lose by doing this now.

mobi said:
You know, now I'm not so sure... I also had a Lumia 900 and the battery went. ATT replaced it with a refurb and since my original phone was already unlocked by them they gave me the unlock code for that one too. I could never get it to work so I got on the phone with customer service. They took me through the steps and they could not get it either. They sent me another one again, warranty replacement and gave me an unlock code for that too. That didnt work.
Today I read this post on the Lumia forum; http://forum.xda-developers.com/showthread.php?t=2056808 I tried it and it worked. It unlocked my Lumia. I think I'll try the 8X tonight and see. If it does get unlocked, I'll let you know.
I have nothing to lose by doing this now.
Click to expand...
Click to collapse
I have tried this now, and nothing, asked for puk code.. I will try it again, with another card.

Loshme said:
I have tried this now, and nothing, asked for puk code.. I will try it again, with another card.
Click to expand...
Click to collapse
Yep. Same thing here Loshme. Didn't work so now I'm pretty positive I got a bum code. Buyer beware!

mobi said:
Yep. Same thing here Loshme. Didn't work so now I'm pretty positive I got a bum code. Buyer beware!
Click to expand...
Click to collapse
Should I say that I have bought another code at different site, and still no go! I think that some providers changed unlocking codes for our devices.

[Q] Sony Z2 IMEI is other phone's

Hi, I bought locked IMEI Z2 off ebay without knowing it. short story, I got my money back but there one thing that surprise me.
the my IMEI is from other phone LG L5 to be precise and I'm pretty sure it's a Legit Z2 as well, not some chinese made knock off. I also checked my other phone that I got from new (S4, and HD2) they all got the right model.
What I want to know is, is it possible to change the IMEI number? ASFAIK you can't change xperia IMEI number because it's stored somewhere in the partition. and you can't change it because it is security signed and if you change it, would make your device completely useless or hardbricked, unlike softbricked device that you can easily fix.
imei.info

you should probably return the phone because even if you could change the IMEI, you won't be able to generate a valid IMEI for it.

Well, or you could just put another phone IMEI like he did. I don't know if its possible. I'm not condoning any illegal attempt to change IMEI of stolen phone, just acted out of curiosity. I returned the phone to seller as well.

Its a stolen device.
Whether its a knockoff or not has no relevance.

IMEI can be modified, whether intentionally or accidentally. However, because of the legal implications, no one here will teach you how to.
Sent from my iPhone using Tapatalk

nightly_shadow said:
Hi, I bought locked IMEI Z2 off ebay without knowing it. short story, I got my money back but there one thing that surprise me.
the my IMEI is from other phone LG L5 to be precise and I'm pretty sure it's a Legit Z2 as well, not some chinese made knock off. I also checked my other phone that I got from new (S4, and HD2) they all got the right model.
What I want to know is, is it possible to change the IMEI number? ASFAIK you can't change xperia IMEI number because it's stored somewhere in the partition. and you can't change it because it is security signed and if you change it, would make your device completely useless or hardbricked, unlike softbricked device that you can easily fix.
imei.info
Click to expand...
Click to collapse
the best thing happened that u got ur money back, cause you'll never make it work with an other IMEI other then its IMEI.

IMEI can be modify by some sw tools. I suspect it is not a new phone.

Bad IMEI question

If you have an att phone with a bad imei, would if work on lets say tmobile if its unlocked?
i see imei repair services but nothing for s6 active
my phone is fine for now but im running into money problems and i dont want it to be black listed and not work... thanks

1nsomnium said:
If you have an att phone with a bad imei, would if work on lets say tmobile if its unlocked?
i see imei repair services but nothing for s6 active
my phone is fine for now but im running into money problems and i dont want it to be black listed and not work... thanks
Click to expand...
Click to collapse
Did you purchase the phone brand new or second hand? Is the imei there or just missing? If it's missing it doesn't matter if it's sim unlocked or not it won't work on any GSM carrier if your imei is missing or has been black listed (reported stolen or for none payment)

purchased brand new but subsidized through ATT Next
I have 3 months to get it back on
I screwed up but found another job so ill be back on track
But yeah I was thinking of doing the imei repair method
its a service where it spoofs your phone with another imei to unblacklist it

1nsomnium said:
purchased brand new but subsidized through ATT Next
I have 3 months to get it back on
I screwed up but found another job so ill be back on track
But yeah I was thinking of doing the imei repair method
its a service where it spoofs your phone with another imei to unblacklist it
Click to expand...
Click to collapse
Before changing your imei which is illegal I would contact AT&T and see if there is an arrangement you guys can come to. I suggest exhausting all legitimate means before paying someone to change your imei

Scammed - IMEI Changed

I got a used oneplus 7 pro as gift my dad a while back. I have recently realized that the IMEI of the phone has been tampered with as the IMEI mentioned on back of the phone does not corresponds with the one shown inside the phone. I have searched IMEI shown by the phone and it is registered to some GFIVE phone. Due to the current tax policies of my government on imported phone, the previous owner has probably changed it's IMEI to that of cheaper phone to avoid paying tax. The phone didn't come with a box so the only IMEI that I have is the one written on the back of the phone. I have three questions
1. Is there a way to validate that the IMEI written on back is in fact the actual IMEI of the phone?
2. The phone is dual sim so why there is only one mentioned on the back? If there should be two then is there a method to determine the second IMEI number?
3. Is it possible to reset the phone to it's original IMEI?
Thanks

They even change stickers on the back.
I think you are from Pakistan as its a common practice here.
Phone will run fine whatsoever and will update fine with new softwares.

muhammadshais said:
They even change stickers on the back.
I think you are from Pakistan as its a common practice here.
Phone will run fine whatsoever and will update fine with new softwares.
Click to expand...
Click to collapse
Yes i am and the IMEI i am talking about is engraved in the back of the phone

Hello
Attention it seems strange to me that you have the IMEI code on the back, no matter the country normally the IMEI code is never encrusted on the phone because it is the identity of the phone, this code in the wrong hands can cause worries, notably to use insurance or guarantees. In other words, nothing proves that this device is not directly or indirectly linked to an offense. (Counterfeiting, theft, insurance scam, etc.)

Yes maybe the back of the phone is changed, have you checked for changed back. There must be gap in the phone if back is changed

08Bit said:
I got a used oneplus 7 pro as gift my dad a while back. I have recently realized that the IMEI of the phone has been tampered with as the IMEI mentioned on back of the phone does not corresponds with the one shown inside the phone. I have searched IMEI shown by the phone and it is registered to some GFIVE phone. Due to the current tax policies of my government on imported phone, the previous owner has probably changed it's IMEI to that of cheaper phone to avoid paying tax. The phone didn't come with a box so the only IMEI that I have is the one written on the back of the phone. I have three questions
1. Is there a way to validate that the IMEI written on back is in fact the actual IMEI of the phone?
2. The phone is dual sim so why there is only one mentioned on the back? If there should be two then is there a method to determine the second IMEI number?
3. Is it possible to reset the phone to it's original IMEI?
Thanks
Click to expand...
Click to collapse
If the IMEID is engraved on the back of the phone, you might have a T-Mobile version that was obtained in the US.
In the US the T-Mobile version has that engraved on the phone back.
You should go into "Settings" -> "About Phone".
You will be able to see the model.
That is the first step to see what phone you actually have.

tech_head said:
If the IMEID is engraved on the back of the phone, you might have a T-Mobile version that was obtained in the US.
In the US the T-Mobile version has that engraved on the phone back.
You should go into "Settings" -> "About Phone".
You will be able to see the model.
That is the first step to see what phone you actually have.
Click to expand...
Click to collapse
I have checked, it's T-Mobile.

muhammadshais said:
Yes maybe the back of the phone is changed, have you checked for changed back. There must be gap in the phone if back is changed
Click to expand...
Click to collapse
Cant see any gaps the back sits flush with the frame.

08Bit said:
Cant see any gaps the back sits flush with the frame.
Click to expand...
Click to collapse
Im in the US and have a T-Mobile model from the T-Mobile store and mines has the ime number ingraved on the back also

disbeyad999989 said:
Im in the US and have a T-Mobile model from the T-Mobile store and mines has the ime number ingraved on the back also
Click to expand...
Click to collapse
Same with mine.

MODERATOR'S ANNOUNCEMENT!
XDA doesn't allow guides, tools, discussions about changing or editing the IMEI. Exceptions to this policy are sofware wise IMEI spoofing/masking and everything about restoring original IMEI/EFS.
I've cleaned this thread from posts that do not comply with above policy and e.g. suggested to contact whom-so-ever.
Stay safe and stay healthy!
Regards
Oswald Boelcke
Forum Moderator

08Bit said:
I have checked, it's T-Mobile.
Click to expand...
Click to collapse
If the IMEID does not match what is on the back then they have done something with the IMEID and I don't have a solution for you.

Help, Tmobile carrier lock, "invalid imei"

Hello,.
I bought a phone, 8t plus (tmobile version). when i try to check imei status it says invalid imei... it came with a deactivated sim card.
i tried paying three different unlock site services for the t-mobile unlock app. but they keep returning to me saying that they could not find the imei or its invalid.
I'm in a real pinch here, I love this phone, what are my options? is there some way to force unlock it with a different firmware or something like this? maybe you've got a clue why my imei doesn't show up anywhere?
many thanks

If it's bought from eBay, you're SOL - invalid IMEI is invalid IMEI. You will want to refund it and buy the virgin OnePlus 8T to ensure you don't run into problem.
It will be tough to remove the IMEI from the blacklist, as it's usually death sentence for that ID number, not to mention it's illegal to mess with it.
Especially for this reason, I don't buy used phone anymore unless it won't see network service (usually as a Linux hacking plaything), and I mainly buy new phones ever since to guarantee that I don't run into any problems.
Sent from my OnePlus 8T using Tapatalk

it doesnt give any error, through the tmobile unlock app it says "not eligible" which all unlock sites say that's what you want to get..
THEY say that they cant find the imei anywhere and that maybe I gave them invalid imei, but I'm sure I did not... this happened with more than 1 service site. any clues? i don't want to return it unless absolutely neccessary

Alright, double check your IMEI to ensure you don't make any mistake. There are three ways to check the IMEI, of course; 1. dial *#06#, browse into Settings, and go through "About phone", and 2. touch "Network Status" if the IMEI is not shown or 3. reboot your phone into Fastboot and scroll the UEFI Fastboot bootloader option down to "Show barcodes". It's easy to make mistakes with long numbers like IMEI - had to triple check mine before submitting the application for the bootloader unlock token.
Sent from my OnePlus 8T using Tapatalk

I checked, the imei i gave them was the correct one, I wish that was the problem. how can an imei be invalid (not blocked/blacklisted)?isn't there any way to flash something on the phone to sim ulock it? thanks

even services that CHECK if its blacklisted doesnt work with phones IMEI. what is going on here?! thanks

This phone is not blocked—it’s ready to use on the T-Mobile network.
Device Name Not Available
IMEI: *****************
that's what the unlock service site sent me, they said that is the reply they received..

Alright, if you have Straight Talk or maybe a T-Mobile SIM, test it to make sure it's alive.
Sent from my OnePlus 8T using Tapatalk

You have to have it so long before T-Mo will unlock the device.

Three days minimum if I recall. I had mine unlocked in a week after the purchase, and only have unlocked its UEFI bootloader a few days ago once the LineageOS 18 ROM matured just enough for my liking. Otherwise it's a 40 days wait.
Sent from my OnePlus 8T using Tapatalk

Proneous said:
Hello,.
I bought a phone, 8t plus (tmobile version). when i try to check imei status it says invalid imei... it came with a deactivated sim card.
i tried paying three different unlock site services for the t-mobile unlock app. but they keep returning to me saying that they could not find the imei or its invalid.
I'm in a real pinch here, I love this phone, what are my options? is there some way to force unlock it with a different firmware or something like this? maybe you've got a clue why my imei doesn't show up anywhere?
many thanks
Click to expand...
Click to collapse
Hey there!
can you PM me a screen shot of your IMEI, please? I really want to look in this. I have a oneplus 8t. Thanks.

​I am outside of the usa at the moment so the T-Mobile SIM card that came with the phone is unable to activate... I'm starting to wonder if that's the only problem
I have found a rather expensive service provider that has full confidence that he can unlock my phone. Will update you further when I have more details.
Is it safe giving my imei to other forum members? can it be used for malicious activity?
Many thanks.

Alrighty, keep us posted.
Sent from my OnePlus 8T using Tapatalk

try this https://www.oneplus.com/unlock_token
---------- Post added at 10:30 AM ---------- Previous post was at 10:30 AM ----------
Why did you buy a t-mobile phone if you're outside of the usa?

Proneous said:
This phone is not blocked—it’s ready to use on the T-Mobile network.
Device Name Not Available
IMEI: *****************
that's what the unlock service site sent me, they said that is the reply they received..
Click to expand...
Click to collapse
Then use it on TMobile for minimum 3days then unlock it via tforce on facebook or twitter T-Mobile help. But this requires you to have TMobile service. That's the only way you will unlock that phone those unlocking site aren't connected to get the 8t from T-Mobile unlocked that's mainly for samsung devices trust me I run a repair shop and use the unlocking sites. If you can't get TMobile service then you best bet is to return the device if you can't return your SOL until a simunlock bypass come

I'm not from the USA . Anyone got suggestion how to get it activated ? Thanks

Hey friends!
i've promised to update as it unfolds, day before I was supposed to return phone I got it unlocked by a vendor claiming he is working with T-Mobile directly or something like this, and said he can do it although not cheaply.
That guy had a handful of troubles to deal with me as I put him on a timeline, and not only that, bombarded him with conflicting messages before I decided to actually use his service. he was extremely polite and understanding.
may I recommend an ebay vendor here? if yes I will put a link to his store.
thanks!

Proneous said:
Hey friends!
i've promised to update as it unfolds, day before I was supposed to return phone I got it unlocked by a vendor claiming he is working with T-Mobile directly or something like this, and said he can do it although not cheaply.
That guy had a handful of troubles to deal with me as I put him on a timeline, and not only that, bombarded him with conflicting messages before I decided to actually use his service. he was extremely polite and understanding.
may I recommend an ebay vendor here? if yes I will put a link to his store.
thanks!
Click to expand...
Click to collapse
Sounds like you purposely bought a phone that was either lost or stolen in the US and was sold to an overseas buyer because the blacklist on devices from US and Canadian carriers does not extend outside of the US and Canada.

jcsww said:
Sounds like you purposely bought a phone that was either lost or stolen in the US and was sold to an overseas buyer because the blacklist on devices from US and Canadian carriers does not extend outside of the US and Canada.
Click to expand...
Click to collapse
Sounds like you're trying to be holier than thou.
I bought it unbeknownst whether it's blacklisted or not. It was brand new and price was great. Where's the problem? Why should I care where it comes from if it works?

Proneous said:
Sounds like you're trying to be holier than thou.
I bought it unbeknownst whether it's blacklisted or not. It was brand new and price was great. Where's the problem? Why should I care where it comes from if it works?
Click to expand...
Click to collapse
It is more of a buyer beware statement about buying cheap devices from other countries.