[Q] Bought an unlockedGalaxy S5 ACTIVE SM-G870A ATT. - T-Mobile Samsung Galaxy S 5

Hello ALL,
Got a great deal on a new Galaxy S5 ACTIVE SM-G870A. Was wondering if I can root and load t-mobile roms on it.
Noob at this bootloader but can I ODIN tmobile firmware on this like baseband and that would give me an unlocked bootloader? Then free to flash whatever ROM? I am not worried about the KNOX at all.
TIA.
Bob

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Has anyone here done anything like this?
Thank you for any help or suggestions.
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[Q] Locked bootloaders?

Hey, thinking about getting the ATT Note for my Mom.
On my Galaxy S4 phone, the latest updates from AT&T locked the bootloader down even more. So I'd never buy another S4.
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CZ Eddie said:
Hey, thinking about getting the ATT Note for my Mom.
On my Galaxy S4 phone, the latest updates from AT&T locked the bootloader down even more. So I'd never buy another S4.
What about on the Note? I know the original did not have a locked bootloader. Well, have any of the recent updates locked the bootloader? Is there anything I need to worry about before buying a second-hand Note?
Will be wanting to flash CyanogenMOD 10.X on it.
Click to expand...
Click to collapse
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Just a Quick question

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[Q] Need your help to understand this about bootloader!!

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[Q] t mobile gs5 rooted and unlocked, will stock rom remove carrier unlocked

hey everyone, I don't post much but I read a lot and I appreciate everyone's work. I have a quick question regarding my tmobile galaxy s5. I bought it and unlocked it to use on AT&T because it has the unlocked bootloader. I installed twirp, remove some bloatware, and it's been great. I want to remove twirp but I believe that flashing the stock rom is the only option. Is this true? I have the stock image and can flash it via Odin I'm just curious as to whether it will remove the carrier unlock. of course I paid for the unlock code and I don't want to do it again. I would like to sell this phone with it being unlocked because that widens the market. so does anyone know how I can unroot this phone other than flashing the stock image, and if that's the only way after I do it will the carrier unlock still be there?
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You will keep the unlock. You can easily find the stock recovery files as well. That way you don't lose all of your stuff with a full Odin flash.

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