Anyway to Flash T-Mobile OnePlus 6T to Stock Oxygen Image? - OnePlus 6T Questions & Answers

I recently purchased a T-Mobile OnePlus 6T. When I purchased it I thought it was the unlocked version but it has T-Mobile bloatware apps and when you turn on the device it says T-Mobile. It's unlocked so it works with Cricket but I kind of don't like all the T-Mobile stuff. Is there a way to just flash a factory unlocked ROM and make it look just like a regular unlocked OnePlus 6T?

Short Answer: Google the exact same thing.
Long Answer: in the Guides section, there is a whole thread dedicated to this. Its a good place to get started.

There is a thread on converting it from T-Mobile branding to international model with a hacked Qualcomm Snapdragon processor tool that bypasses the checks. It's also a huge help for when you accidentally brick it.
I have converted mine so I can say that the tool works (currently running a custom ROM).
Sent from my ONEPLUS 6T using Tapatalk

You could always root your device, then use root explorer to remove or replace the boot animation. Then use magisk and the magisk deblotter module to remove the offending apps.

Newerabs said:
I recently purchased a T-Mobile OnePlus 6T. When I purchased it I thought it was the unlocked version but it has T-Mobile bloatware apps and when you turn on the device it says T-Mobile. It's unlocked so it works with Cricket but I kind of don't like all the T-Mobile stuff. Is there a way to just flash a factory unlocked ROM and make it look just like a regular unlocked OnePlus 6T?
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Look here https://forum.xda-developers.com/oneplus-6t/how-to/t-mobile-6t-to-international-t3888307

Related

Which model is the easiest bootloader unlock and candidate for Lineage OS?

I've seen the US996 official unlock, but I want to know if anyone of these are preferable since they are easiest to find second-hand:
T-Mobile
AT&T
Verizon
Thanks in advance.
Gorilla Daddy said:
I've seen the US996 official unlock, but I want to know if anyone of these are preferable since they are easiest to find second-hand:
T-Mobile
AT&T
Verizon
Thanks in advance.
Click to expand...
Click to collapse
T-mobile process (technical version and skips some details). Same process, but reworded and simplified (and includes ALL the details).
T-mobile (and the factory unlocked US996) let's you actually unlock the bootloader so it takes a bit less time to boot (the other models sit longer at a bootloader locked warning, but they use an engineering bootloader that eventually continues booting)
The ATT is a pain to root too, because there are no firmware files available for it thanks to ATT deciding to use a different OTA format. It's process involves crossflashing then flashing back some att firmware.
(you didn't ask but) Sprint's is unrootable. (if it's taken an OTA anytime in the past 2.5 YEARS or so, so basically 95% of them) (thank Sprint for doing such a great job locking it down! Wouldn't want people extending the useful life of their phones!)
The rest all involve using the LG UP program mentioned and linked in those other guides above in upgrade mode to downgrade to a firmware released in January 2017 or earlier (it needs to have the December 2016 android security patch or earlier) and do an exploit to install an engineering bootloader.
The Verizon model uses the above process but the vibration motor will run continuously when booting until a custom kernel is installed iirc
The international model (H990) uses the above process with a few minor tweaks to get it working
The Verizon and AT&T can be flashed with us996-usa KDZ and then rooted using dirtysanta. This gets rid of verizon vibrate on boot issue and bloatware on both. And AT&T network restrictions.
Sent from my LGE LG-US996 using XDA Labs
ezzony said:
The Verizon and AT&T can be flashed with us996-usa KDZ and then rooted using dirtysanta. This gets rid of verizon vibrate on boot issue and bloatware on both. And AT&T network restrictions.
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Thanks. Does that mean that a network SIM locked AT&T or Verizon model gets SIM unlocked when we flash us996-usa KDZ?
Gorilla Daddy said:
Thanks. Does that mean that a network SIM locked AT&T or Verizon model gets SIM unlocked when we flash us996-usa KDZ?
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NO. It would be nice if it were that easy.
Edit: I would also suggest that if you have a code to unlock your fone do it while it has the carrier locked firmware as a precaution.
Several us996 on fleabay right now
Sent from my LG-US996 using XDA-Developers Legacy app
If you're going to use Lineage I recommend Resurrection Remix instead, it runs better in my experience than Lineage does, but your usage may vary.

McLaren 7t pro to stock firmware?

Just bought the T-Mobile edition McLaren 7t pro and was wondering if there is a way to get stock firmware on this device. Already have the device sim unlocked so I have the OEM unlock checked already. Thanks in advance.
Jaimesco12 said:
Just bought the T-Mobile edition McLaren 7t pro and was wondering if there is a way to get stock firmware on this device. Already have the device sim unlocked so I have the OEM unlock checked already. Thanks in advance.
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may i ask, how did you manage the sim unlock?
yenkoPR said:
may i ask, how did you manage the sim unlock?
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I got mine SIM unlocked just by asking TMobile. I messaged them on Twitter. The rep was so nice. BUT...you won't be able to unlock the bootloader until OnePlus grants you an unlock token....which takes at least a week!! Dumbest process ever. So yeah, OP probably won't be able to even load the stock image without unlocking the bootloader. Maybe. I haven't done something like that in a while and/or if it's needed just for flashing an image.
We don't even have the MSMDownloadTool for the McLaren 5G for any potential unbricking.
Any attempts to flash stock McLaren firmware will be at your own risk. Even if it's just the system image and you keep the core firmware, you could still lose 5G or bootloop.

Flashing certain mods issues on Tmobile variant

So, I have an OP6 that I've been using since launch with no issues. Got m to wife an unlocked tmobile 6t. After waiting a week for the unlock token, a definite reason I avoid branded phones, I unlocked the bootloader and rooted. Updated to 10.3.7 latest from tmobile. It has root, passes safety net, but keeps giving me compatibility errors when trying to flash certain mods. Twrp bluspark won't flash, haven't been able to flash any kernels. I'm able to do some magisk modules and have the official twrp. Any suggestions would be great, as I can't figure out what's going on.
I got that trash tmobel version off I flash the rebranded stock rom. Messed around with that then flashed linage 17.1
raven.warsong said:
I got that trash tmobel version off I flash the rebranded stock rom. Messed around with that then flashed linage 17.1
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So, we can just flash the OnePlus OOS with no issue? I have looked at the tutorial to make it global but saw someone on reddit say they had just flashed the OOS direct from OP.
@Brand
BRANDENDEUCE said:
So, we can just flash the OnePlus OOS with no issue? I have looked at the tutorial to make it global but saw someone on reddit say they had just flashed the OOS direct from OP.
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Click to collapse
There is a tutorial with a special msm tool that converts t-mobile model to a global /international model. I have a T-Mobile OnePlus 6t and I converted to global model from tutorial over in guides section of the forums a year ago. I've never had any issues at all. I've flashed hundreds of times and used everything known to mankind made for my device and all has been fine. Check out the convert T-Mobile to global international model thread in guides section. I wouldn't flash a global oos on T-Mobile model. The tool that converts t-mobile to global model has modifications where it bypasses certain checks and whatnot or it wouldn't be possible
flash713 said:
@Brand
There is a tutorial with a special msm tool that converts t-mobile model to a global /international model. I have a T-Mobile OnePlus 6t and I converted to global model from tutorial over in guides section of the forums a year ago. I've never had any issues at all. I've flashed hundreds of times and used everything known to mankind made for my device and all has been fine. Check out the convert T-Mobile to global international model thread in guides section. I wouldn't flash a global oos on T-Mobile model. The tool that converts t-mobile to global model has modifications where it bypasses certain checks and whatnot or it wouldn't be possible
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Do you have any issues with tap and pay or anything not working?
BRANDENDEUCE said:
Do you have any issues with tap and pay or anything not working?
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I don't use that so I have no clue.

Need info for using msm

Hey, had 6t before but then moved to 7 pro and then 8 pro so I forgot things lol. If I have a T-Mobile variant 6t, unlocked, can I use non T-Mobile variant MSM? I want to go back to android pie for Pokémon go, joystick reasons and forgot how to do that. Once its unlocked, can I use regular msm tool for custom pie ROMs
Yes, as stated into the guide,
flashing non T-Mobile version will convert
your TMO firmware into international one.
For correct version to use just read first post...
More info can be found here.
Cheers

OnePlus 6t fully bricked

Hello, I tried to install the stock rom but it seems to brick the phone, now it only loads the fastboot mode and when I try to install the TWRP it only stays on the fastboot screen and does not go beyond
I tried to use MSMDownloader but when I hit start I get the error "images do not match with the phone"
What version of MSMDownloader are you using? I'm assuming you are using a T-Mobile branded 6T, as I get the same issue with the global packages. Try following this guide and using the 4.0.58 version and it's patch. That should let you get around the error.
T-Mobile 6T to International Conversion (WITHOUT unlocked bootloader/SIM unlock!)
In the previous thread, we discussed a method to convert T-Mobile 6T's to the international variant, sort of, but it required an unlocked bootloader, which itself requires a SIM unlock which T-Mobile gives people a hard time about. However, it...
forum.xda-developers.com
izzy001 said:
What version of MSMDownloader are you using? I'm assuming you are using a T-Mobile branded 6T, as I get the same issue with the global packages. Try following this guide and using the 4.0.58 version and it's patch. That should let you get around the error.
T-Mobile 6T to International Conversion (WITHOUT unlocked bootloader/SIM unlock!)
In the previous thread, we discussed a method to convert T-Mobile 6T's to the international variant, sort of, but it required an unlocked bootloader, which itself requires a SIM unlock which T-Mobile gives people a hard time about. However, it...
forum.xda-developers.com
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Mine is dual Sim, will using the T-MOBILE version limit that function?
Saicoo said:
Mine is dual Sim, will using the T-MOBILE version limit that function?
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That I do not know, but it should allow you to flash any fastboot images as if it was a unbranded version. If that does not work then I'd try some of the Android 9 versions of the MSMDownload tool.
izzy001 said:
That I do not know, but it should allow you to flash any fastboot images as if it was a unbranded version. If that does not work then I'd try some of the Android 9 versions of the MSMDownload tool.
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Well I did what he told me and it worked, I returned to android 9 thank you very much

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