Help - Switching mobile - G2 Q&A, Help & Troubleshooting

hi folks,
I was wondering if I could get clarified with noob questions for carrier locked devices.
I'm in contract with att on HTC one right now. I'm planning to buy a sprint/ Verizon/ tmobile/att LG g2 (cheaper). Will it be possible to unlock any of the above carriers and use it for my current att contract? Also let me know if I can buy a device with bad esn on other networks.
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[Q] HD2-tmobile to use internationally

Does anyone know what I have to do to get my Htc HD2 t-mobile to work oversea such as Thailand? I'm going over there for 2months and when I leave, the phone will be staying there with my brother to keep. Contract will end when I get back so HTC G2 here i come. Sorry I'm a noobie that just starting to like cell phone and gadgets. Please Help!
Put in a request for a SIM unlock code from your carrier (T-Mobile) and they should send one out to for free via email after a few weeks.
After obtaining the code, insert a different card other than T-Mobiles SIM and input the code.
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or just buy code on ebay for not more $25
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So how would I use one of these on AT&T?

I've noticed these are extremely cheap on eBay and supposed to be GSM capable. I know they have all sorts of problems were even you manage to SIM unlock one it still refuses to work on American carriers and what not... so what would I have to do get one of these working on AT&T? I've been thinking that I could get a couple and give them to my parents to replace their aging Nokia phones... Thanks.
you have to unlock the bands im unsure as to how to do it on this phone
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Trade AT&T version for Tmo????

What do you guys and gals think? Should I try and sell my note 3and get a Tmo, or trade for a tmobile note. I'm not sure how long it'll take for the bootloader to be unlocked. I'm horrible with patience when it comes to technology. I need some advice and or positive criticism if one feels it's a bad idea. My only concern with buying /trading on craigslist or any other secondhand purchasing option, is getting a phone that may possibly be blacklisted. Thoughts?
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If having an unlocked bootloader is that important to you then I'd say DEFINITELY get rid of that AT&T variant note 3 for a T-Mobile variant!! I have the opportunity to get an AT&T variant at anytime for pretty much free but continually refuse the offer simply because the bootloader is locked and much rather wait until I have the $700+ to put out on a T-Mobile variant!
Att.Fan1982 said:
If having an unlocked bootloader is that important to you then I'd say DEFINITELY get rid of that AT&T variant note 3 for a T-Mobile variant!! I have the opportunity to get an AT&T variant at anytime for pretty much free but continually refuse the offer simply because the bootloader is locked and much rather wait until I have the $700+ to put out on a T-Mobile variant!
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I think I do, I've been corresponding with this guy on craigslist. My of concern again, is the imei blacklist. I don't want to trade phones, then risk having the Tmobile version end up on the gsm blacklist.
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yodan4 said:
I think I do, I've been corresponding with this guy on craigslist. My of concern again, is the imei blacklist. I don't want to trade phones, then risk having the Tmobile version end up on the gsm blacklist.
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Do it in a tmobile store so they can very and do the switching etc
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[Q] LG G2 Sprint new not activated, unlock?

Hi all. A friend of mine bought used g2 from t-mobile and got unlock code for 2$ and everything was fine.
I have an opportunity to get new sprint lg g2 from U.S., but now I live in Asia (so does my friend).
the question is: "Will there be any problems with unlocking if phone is new and not activated yet?"
UPD: just have been informed that Sprint cannot be unlocked for international users. Is it true?
Thanks.
It is
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Verizon g2 international data?

Going to Nicaragua in a month.
Was going to take the g2 and simply swap out the SIM with a local carrier.
Any chance this will work without incredibly expensive Verizon international plan?
Thanks, and sorry for the noob question...
Sent from my VS980 4G using XDA Premium 4 mobile app
Yes. The GSM portion of Verizon phones are unlocked out the box.

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