Unlocking the bootloader - T-Mobile Samsung Galaxy S6 Edge+

I just switched from att to t mobile and the guy at t mobile said that they would unlock my bootloader after 3 months if I asked. Is this true? And my other question is wouldn't it be better to wait for them to unlock it for me before I use any other method to root? Or is a bootloader and rooting not connected. I'm asking because it's been a few years since I rooted and I forgot almost everything. The last phone I rooted was my Galaxy S3. Lol. Thanks
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milicigoran said:
I just switched from att to t mobile and the guy at t mobile said that they would unlock my bootloader after 3 months if I asked. Is this true? And my other question is wouldn't it be better to wait for them to unlock it for me before I use any other method to root? Or is a bootloader and rooting not connected. I'm asking because it's been a few years since I rooted and I forgot almost everything. The last phone I rooted was my Galaxy S3. Lol. Thanks
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Either you misunderstood what the guy told you or he misunderstood what you asked.
Tmobile only unlocks the carrier so the phone can be used with any sim card from any carrier.
No phone company unlocks bootloaders.
Good luck!
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Thanks.
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Related

Noob question

I have a really quick and easy question. Im planning to buy an at&t gs3 phone from craiglist but im planning to use it on a different carrier, gosmart, what are the things I have to look for? Im sorry this sounds very elemental but I have always used sprint and I really dont know much about sim card.
Thank you very much for your time!
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lepapirriky said:
I have a really quick and easy question. Im planning to buy an at&t gs3 phone from craiglist but im planning to use it on a different carrier, gosmart, what are the things I have to look for? Im sorry this sounds very elemental but I have always used sprint and I really dont know much about sim card.
Thank you very much for your time!
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At&t phones operate on gsm. Make sure gosmart is a gsm carrier. Also, depending on the carrier, you may not see LTE speeds
Well i assume you would have to unlock it which is now illegal without carrier permission so you would have to call at&t and have them unlock if it doesn't already come unlocked
Gosmart uses a sim card( tmobile) but im not worried about lte speeds. What im worried is at&t claiming back their phone. Now this guya in craiglist says he bought the gs3 and then his job gave him the iphone, so he has no use for it. Will at&t will automatically unlock it when he got the iphone?
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Also how can I tell the phone its unlock or not? Anyway to check that?
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lepapirriky said:
Also how can I tell the phone its unlock or not? Anyway to check that?
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Put your gosim in the phone if it works its unlocked if not still locked.
To unlock read this thread.
http://forum.xda-developers.com/showthread.php?t=2014982
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hxphan said:
Put your gosim in the phone if it works its unlocked if not still locked.
To unlock read this thread.
http://forum.xda-developers.com/showthread.php?t=2014982
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And input the correct APN settings
Thank you everyone for helping me!
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[Q] s3 downgrade help needed

I recently acquired a t-mobile galaxy S3 (t999l)running stock 4.1.2, however my current provider is metropcs and in order to use it i have to unlock it. I currently dont have the money to pay for that so i want to downgrade it to 4.1.1 to do it for free. I was wondering how i could go about downgrading step by step. I would also like to have it rooted.
There is no 4.1.1 for t-999l.. And you don't need to unlock T-Mobile phones to use them with metroPCS.. I know because I've worked for metroPCS.. In other words, you're good to go!!
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4.1.2 is all we have
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serio22 said:
There is no 4.1.1 for t-999l.. And you don't need to unlock T-Mobile phones to use them with metroPCS.. I know because I've worked for metroPCS.. In other words, you're good to go!!
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I tried putting my already activated metropcs sim card in and it asked for sim unlock code. Is there anything I can do to resolve that.
IamthePesident said:
I tried putting my already activated metropcs sim card in and it asked for sim unlock code. Is there anything I can do to resolve that.
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What phone did you have before? Was it cdma or gsm? It shouldn't ask for one.. also is your area using cdma or gsm network?
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Tmobile note 3 bootloader

Ok so it's been a while since I've had a samsung. Last one was a nexus on verizon. I had a RAZR for several years now I have an s4 I picked up cheap. I want to switch to tmobile but I can't find any phones with an unlockable bootloader. I can't find a single thread how to do it yet I see custom kernel threads everywhere. Is the note 3 bootloader unlockable? I don't want to switch and not be happy.
Thanks
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stickjohnonaah said:
Ok so it's been a while since I've had a samsung. Last one was a nexus on verizon. I had a RAZR for several years now I have an s4 I picked up cheap. I want to switch to tmobile but I can't find any phones with an unlockable bootloader. I can't find a single thread how to do it yet I see custom kernel threads everywhere. Is the note 3 bootloader unlockable? I don't want to switch and not be happy.
Thanks
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The bootloader is not locked on tmobile note 3 phones.
Does it come factory locked and needs to be unlocked or does it come from tmobile fully unlocked?
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stickjohnonaah said:
Does it come factory locked and needs to be unlocked or does it come from tmobile fully unlocked?
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The phone is completely unlocked. I had no issues with bootloaders with android 4.3 or 4.4. The only thing, if you are planning on rooting your device the chances are that you will trip the Knox counter and that will void your warranty, if you care. There have been some methods to not trip Knox but I already tripped mine so I have not explored that option. I really love the phone and the options root/custom Roms provides.
stickjohnonaah said:
Does it come factory locked and needs to be unlocked or does it come from tmobile fully unlocked?
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Thanks for the reply that is great news. I miss messing with kernels and radios and such as I did on my nexus. I rooted this busted s4 I'm on now with safe root supposed to not trip knox. After if replace the screen I'll sell it and buy a note 3 and switch over.
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Unlock code

My tmobile s4 is rooted with custom rom. I have 3 phones in my family plan. I got unlock got for all three phones. The unlock code worked for two phones which are stock. But the unlock code didnt work on mine. Is it because my phone is rooted? Does it matter whether the phone is rooted or not while unlocking?
It shouldnt matter if its rooted or not.
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Thanks freezin.

Unlock the Note 4 to use other sim AGAIN?

Guys, I use the method in the ATT Note 4 forum to unlock my phone when it came out long time ago. Now after 5.1.1 and security updates. No more unlocked (asking for codes when putting Tmobile sim again). Any one knows the thread to unlock this phone again to use with other GSM carriers?
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mihaisereden said:
I can give you a fast and safe service to do it
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What do you mean?

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