Converting TMobile OP7Pro on Android 10 to international - OnePlus 7 Pro Questions & Answers

Trying to follow guide to convert but cannot get past param preload using three different computers and multiple cables. Wondering if it's because my phone came preloaded with 10.0.3.GM31CB? Do I need to use the T-Mobile specific msm tool to downgrade first then try to go to international?

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Issue with MSM tool.

Hello guys. I've tried on two computers with the official one plus charging cable to MSM back to stock, downloaded the files two times, with no luck. I keep getting SMT config issue. I follow the guide correctly.
Are you using the correct MSM tool for your phones model number?
esjames said:
Are you using the correct MSM tool for your phones model number?
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Yes. IN2017, I downloaded the folder twice from the TMO thread in the one plus 8 forum. Also to note, I follow the instructions perfectly. The TMO forum states "click other, then from the menu choose TMO. click start then you get your phone in the correct mode and plug it in"(not word for word but yes). When I do that however even if my phones not plugged in, I get the error stated. As soon as I push start. Sorry if that makes no sense. I tried it on two computers. Basically no matter what I get an SMT error
On my msm tool, the SMT option is grayed out. Im usiing this tool with the IN2017 model, and yes i have the tmobile variant.
https://androidfilehost.com/?fid=4349826312261823571
esjames said:
On my msm tool, the SMT option is grayed out. Im usiing this tool with the IN2017 model, and yes i have the tmobile variant.
https://androidfilehost.com/?fid=4349826312261823571
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mine is the same as well, I got it to work by reinstalling windows haha. Surprised!
dang no help for us it looks like

Do all AOSP ROMs break T-Mobile variant?

I have a T-Mobile OP7 pro that I've had unlocked from the network, and I've been running the international version of OOS for some time. This week I tried changing to Havoc OS (because I've used it on previous phones), and now I'm stuck in a bootloop. I don't even get to the ROM's boot screen. I know I can put factory software back on there, but I'm not ready to give up unless someone here knows whether it's impossible to run AOSP ROMs on a T-Mobile OP7 pro.
You're better off converting the phone into the international variant using the MSM tool. I have a converted unit, and all ROMs work properly after conversion.

General G996U and G996U1 Firmware Links and Flashing Discussion Here

For those who aren't already aware, G996U is the model number of all of the US carrier versions of the S21+. The G996U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100% interchangeable among these models: any U or U1 firmware version can be flashed to any U or U1 device at any time, assuming that you're not trying to downgrade the bootloader. A "U to U" or "U1 to U1" flash does not require a factory reset, but changing from one firmware to the other will require one. Also, U firmware is identical for the 4 base files (AP, BL, CP, CSC) for each individual build, no matter which carrier it comes from. So if you download 2 different carrier versions of the exact same build, the 4 base files will be identical. Where the firmware differs is in the USERDATA file - that's where the carrier bloatware and customizations reside.
Manual Odin flashing is designed for those who:
- want to manually update to a newer version of U firmware on their U device, either because they don't want to wait for their carrier's OTA or because OTAs aren't working on their device, or a different carrier got a new feature/patch before they did
- want to flash U1 firmware to their U device
- want to convert from U1 firmware to carrier U firmware
- want to convert from one carrier's U firmware (with all apps and bloatware) to a different carrier's U firmware (with all apps and bloatware)
For those who aren't already aware, anyone can now download firmware for almost any Samsung device any time that they want, via the various firmware download tools posted here on XDA like SamFirm or Frija. There are threads and info about them here on XDA so I won't waste time explaining - do a search if you're not already familiar with these tools. But they only provide whatever the latest/newest/current version is - nothing older. I pay for a subscription to a site that gets the official releases (usually) before they hit the firmware download tools, so that's where my files come from.
This is not a "beginner's guide to Odin flashing" -type post/thread, so I won't list basic, step-by-step flashing instructions. My threads are geared towards those who already know what they're doing. If you're new to manually flashing Samsung firmware (or haven't done it in a long time), I recommend you consult one of those "beginner's" guides- there are tons of them here on XDA.
Happy flashing!
U firmware: https://www.androidfilehost.com/?w=files&flid=322091
U1 firmware: https://www.androidfilehost.com/?w=files&flid=322092
Notes:
- DON'T QUOTE THE OP WHEN YOU REPLY, kthx
- I have lots of threads just like this one for other Samsung flagships, if it interests you. For those who have already made use of my previous threads for a different device and are upgrading to an S21, welcome back
- My zips are compressed extra small for space and bandwidth savings. The default Windows extractor can't handle it, so you'll need a 3rd party tool like 7zip, WinRAR, etc
- it's quite time consuming to download the files, zip them up, and upload them to AFH. And, I do threads like this for every single Sx and Note x model, so I won't be uploading every single version. The only full builds that I upload are ones where I get access to a new bootloader and/or Android version early, before they hit the firmware download tools.
- My naming method for folders on AFH is: build - bootloader - Android version
So "SAT - 1 - 9.0" means the full build number ends in SAT, it's bootloader version 1, and it's Android 9.0. When bootloader and Android versions increment, the first build to have those changes will have its folder notated appropriately.
- HOME CSC file keeps data intact; using the other CSC will wipe data. Flashing USERDATA will also wipe data.
- Since AT&T doesn't allow their firmware to be publicly available (for any of their devices), I'll try to always upload at least one USERDATA per bootloader increment for AT&T (and Cricket, if they get this model). I'll also upload any full builds if AT&T is the only carrier to get that specific build, because you won't be able to find the files anywhere else.
- For identifying USERDATAS, and to know what region/CSC to use in the firmware download tools if you're downloading yourself:
AIO = Cricket (not available via firmware download tools)
ATT = AT&T (not available via firmware download tools)
BST = Boost Mobile
CCT = Xfinity Mobile (Comcast)
CHA = Spectrum Mobile (Charter)
DSH = Dish Network
SPR = Sprint
TMB = T-Mobile
TMK = Metro PCS
USC = US Cellular
VZW = Verizon (available via firmware download tools, but Manual Entry is required - Auto will not work)
XAA = U1 firmware
- the correct procedure for switching from one carrier's firmware to another is:
1. Flash full U1 firmware package including non HOME CSC
2. Upon boot, insert a SIM of the carrier whose firmware you want
3. Watch for the popup that says "reboot to apply new carrier settings" etc, and do it
4. After that restart completes, reboot back to Download mode and flash the full U firmware package, with the USERDATA file of the carrier whose firmware you want
Initial U firmware and AT&T USERDATA are posted, along with U1 firmware. U firmware is not yet accessible in the firmware download tools like SamFirm and Frija, but if anyone wants a different carrier's USERDATA (for flashing bloatware to a U1 device or for converting a U device from one carrier's bloatware to a different one), let me know and I'll get it for you
Are the firmware in OP compatible for the S21 (Non-plus)?
craznazn said:
Are the firmware in OP compatible for the S21 (Non-plus)?
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This thread is in the S21+ forum, not the S21 forum.
This thread is for model numbers G996U and G996U1, not G991U or G991U1.
If you're looking for S21 firmware, that will be found in the S21 forum
I agree with you
Does the firmware control the SIM lock? So, can you flash the U1-XAA firmware and use say a phone purchased from AT&T on another carrier? Or do you need to do the SIM unlock before flashing?
3BeersKen said:
Does the firmware control the SIM lock? So, can you flash the U1-XAA firmware and use say a phone purchased from AT&T on another carrier? Or do you need to do the SIM unlock before flashing?
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SIM unlock always goes much deeper than firmware. Flashing U1 will never automatically unlock any model - the unlock has to be done separately. If desired, I can provide a recommendation for a professional 3rd party business to do the unlocking, for any interested users who may not meet the carrier's unlock requirement(s).
Thanks. That's what I figured, but wanted to make sure. I like to get off of the AT&T firmware as quickly as possible as you can't get their updates unless you have an active SIM in the phone.
3BeersKen said:
You can't get their updates unless you have an active SIM in the phone.
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Correct. They're A-holes like that haha
iBowToAndroid said:
Correct. They're A-holes like that haha
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I got TMobile s21+ and want flash to u1,do you know which odin should I use, thanks
yijinsa said:
I got TMobile s21+ and want flash to u1,do you know which odin should I use, thanks
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3.14.1 patched
I don't have my S21+ yet but it will be here soon. I ordered from Samsung and selected the Verizon version as unlocked was considerably more expensive.
Does anyone know what Verizon specific bloatware the S21+ has?
Are there certain apps which can be uninstalled with the U1 version but not the Verizon U version?
Are there any potential speed benefits on the 5G network that would be lost using the U1 version, or features like tethering that won't work?
For updates in the future, would they arrive faster on the U1 version, slower, or the same?
My main purpose in flashing from U to U1 is to free up the maximum amount of space of the 128 GB while still retaining 100% of the speed and features I would have with the Verizon version.
Thank you for educating me! It's been a couple years since I flashed my Note 8.
I order a unlocked S21+ U1 version straight from Samsung and didn't have to put in any VZW info.
There is a buttload of Samsung bloatware but no VZW except fot MyVZX
Have anyone here with T-mobile version stuck on TMB/TMB/TMB after going to U1 firmware?
Someone over S21 Ultra have this problem, but I'm not sure if Android 11 tinker or T-mobile side. Used to be XAA/XAA/TMB
x1tymez said:
Have anyone here with T-mobile version stuck on TMB/TMB/TMB after going to U1 firmware?
Someone over S21 Ultra have this problem, but I'm not sure if Android 11 tinker or T-mobile side. Used to be XAA/XAA/TMB
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Yes, that seems to be a common issue with T-Mobile S21s - all 3 models
iBowToAndroid said:
Yes, that seems to be a common issue with T-Mobile S21s - all 3 models
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You think there will be a fix for this? It's weird that dialer codes also don't work.
x1tymez said:
Have anyone here with T-mobile version stuck on TMB/TMB/TMB after going to U1 firmware?
Someone over S21 Ultra have this problem, but I'm not sure if Android 11 tinker or T-mobile side. Used to be XAA/XAA/TMB
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I've got a T-Mobile locked that I was able to get flashed over to U1 without much trouble. Shows mode number SM-G996U1 now, build number shows same.
edit: Nevermind, I see the TMB/TMB/TMB
krisology said:
You think there will be a fix for this? It's weird that dialer codes also don't work.
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Dialer codes don't work? On which firmware?
iBowToAndroid said:
Dialer codes don't work? On which firmware?
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XAA U1, VZW U1, stock TMB U, and I've tried the TLI U1 above and couldn't get it to work. Using google dialer, I input the codes like *#*#27262826#*#* and as soon as I type the last star it just disappears and nothing pops up. I tried with T-Mobile and Verizon sim.
krisology said:
XAA U1, VZW U1, stock TMB U, and I've tried the TLI U1 above and couldn't get it to work. Using google dialer, I input the codes like *#*#27262826#*#* and as soon as I type the last star it just disappears and nothing pops up. I tried with T-Mobile and Verizon sim.
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Click to collapse
Dialer codes usually don't work on VZW firmware, whether U or U1. But they almost always work on TMB and all others.
Have you tried *#06# ?

Can I flash the Verizon firmware onto an unlocked (IN2015) Oneplus 8?

I purchased a fully unlocked OnePlus 8 (IN2015) but have discovered that only the OnePlus 5G UW (running Verizon firmware) can use all of the Verizon network features like wifi calling, vvm, etc. I have reflashed carrier phones with global firmware in the past, but is it possible to go in reverse? Where do I find the carrier images?
I certainly can't speak to the whole "going in reverse" thing, but you can find the Verizon MSM image here. Worst case scenario, you try and it fails, MSM back to the unlocked global and you're back to square 1.

Question Need a global T-Mobile backup from twrp

I got into a lot of work, and problems. To be short I got it rooted no problem. Then I did a backup in twrp before flashing recovery and, it total bricked on me. I forgot to transfer my backup to PC. Finally I got it working/rooted and, backup that works but glitchy. The problem is that the only one to work and, fix was India MSM unbrick tool. Now I just need a backup to restore to get back to T-Mobile USA T-Mobile anyway
Hey man! I had an issue where I basically needed the same as you (to go back to TMo stock) and the MSM tool for it wasn't working (Saharan and/or Unsupported Device errors, depending on the Tool's mood).
I did a lot of digging and reading and ended up modifying the TMobile MSM (posted here: https://forum.xda-developers.com/t/oneplus-9-11-2-22-2-t-mobile-msm-download-tool.4276119/) and it's files by decoding the .OPS file from both the Oneplus 9 TMobile MSM (linked above) and the OnePlus 9 Pro India MSM, copying some lines of code from the Settings.xml of the OP9P India MSM and swapping the OP9 TMo MSM code with it, basically making it think it's the India 9 Pro MSM and allowing the tool to flash the TMobile stock rom (as only the tool itself was "modified" and not the actual phone firmware file).
It worked perfectly and solved the issues I was having when I failed while moving the phone to Global rom.
I'll be uploading the file to a Google Drive later today when I get home (about 4-5 hours from writing this, office internet is hella slow), so you can use it and see if it solves your issue. I'll update this post in a while if you're interested, cheers!
Edit: Hotspotted my laptop during work, here's the modified MSM!
TMobile OP9 MSM (modi)
thank you i got it working again
wildestweasal said:
thank you i got it working again
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Glad to have helped, cheers man!

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