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Trying to unlock bootloader,flash Twrp, and Root with Magisk and need help

I've been trying at this for a couple days now,no success but no brick either Every phone I've owned up to this one I've been able to root and flash recoveries and custom roms as I pleased but this phone been tricky for me so I need someone here maybe to tell me my next move... So I called TMobile and I got the rep to give me a permanent unlock for my phone and I checked the Tmobile unlock app and its says permanently unlocked ...So my question now is since I cant seem to get the adb to "fastboot oem unlock" to change the device state to unlocked in the bootloader without asking me for my unlock code ,how to I get this to work? Is the next step requesting the unlock code from Oneplus because I have all the info for the form for Oneplus but don't know how to find unlock code for the form.... Help me out guys ... Thanks

bfreshdadon said:
I've been trying at this for a couple days now,no success but no brick either Every phone I've owned up to this one I've been able to root and flash recoveries and custom roms as I pleased but this phone been tricky for me so I need someone here maybe to tell me my next move... So I called TMobile and I got the rep to give me a permanent unlock for my phone and I checked the Tmobile unlock app and its says permanently unlocked ...So my question now is since I cant seem to get the adb to "fastboot oem unlock" to change the device state to unlocked in the bootloader without asking me for my unlock code ,how to I get this to work? Is the next step requesting the unlock code from Oneplus because I have all the info for the form for Oneplus but don't know how to find unlock code for the form.... Help me out guys ... Thanks
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You now need to convert to Int. version, you can't "fastboot oem unlock" on T-Mo version without a stupid unlock token! Follow these instructions ===> https://forum.xda-developers.com/oneplus-7-pro/how-to/how-to-convert-tmobile-op7-to-t3935947

So I called TMobile and I got the rep to give me a permanent unlock for my phone and I checked the Tmobile unlock app and its says permanently unlocked
After this, you need to enable OEM unlock. See here.
Once you have enabled OEM Unlock under developer options, the fastboot oem unlock will work.

DanDroidOS said:
You now need to convert to Int. version, you can't "fastboot oem unlock" on T-Mo version without a stupid unlock token! Follow these instructions ===> https://forum.xda-developers.com/oneplus-7-pro/how-to/how-to-convert-tmobile-op7-to-t3935947
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Thanks man,,gonna try that...

itskapil said:
So I called TMobile and I got the rep to give me a permanent unlock for my phone and I checked the Tmobile unlock app and its says permanently unlocked
After this, you need to enable OEM unlock. See here.
Once you have enabled OEM Unlock under developer options, the fastboot oem unlock will work.
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Thanks man...Gonna check it out ..

T-MOBILE Unlock

So I have one plus 7 pro with the international firmware installed but I have been having trouble getting the device unlocked the T-Mobile app does not work it keeps saying I am unlocked but when I reboot with a non T-Mobile SIM the phone tells me that it's locked yes I have paid off my phone and have had $100 on my account it's been cleared with T-Mobile

Have you had the phone activated with an active SIM inside of it for 40+ days?

Guavamypickle said:
Have you had the phone activated with an active SIM inside of it for 40+ days?
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Yes, that's what T-Mobile states you need to fulfill in order unlock your device.

If you're not the original owner, they WILL NOT unlock it.

you need to be on t-mobile firmware

Flash back to the T-Mobile firmware with MSM Download Tool, then unlock with the app. Then flash to the international firmware again with MSM Download tool then you'll be able to fastboot oem unlock without issues.

Question OEM Unlocking available on TMO OP9 after A12 upgrade?

Curious if I'm overthinking this/misunderstanding, but OEM Unlocking seems to be available on my T-Mobile locked OP9 after yesterday's update. My girlfriend has not yet updated, and I confirmed it was still disabled/greyed out on android 11. Both of our phones are sim locked.
Did T-Mobile really just mess up and allow this accidentally? I ran the command to get the unlock code from fastboot and am just waiting on OnePlus to send me the token.
Anyone else able to confirm this?

I can oem unlock my TMO variant as well. I bricked my device and sent it to OnePlus for repair. They sent back and it was locked again after I used tools to OEM unlock for the unlock token. I unlocked the bootloader after I recieved the unlock code.bin file. After I updated to A12 the other day I could OEM unlock. The original unlock code fails now when I try to use it. I get verify failed. So I sent the code I got for another unlock request and am waiting for it. I do confirm this OEM unlock options on OP9 now

Unlocked TMobile/Sprint 8t, have a simple root question

I'm not asking how, I already know that part. I have an unlocked TMobile/Sprint phone, but from reading TMobile roms are a bit different as they do thier own or modified oos.
I have checked and I can toggle the oem locking in settings. I own the phone outright but I don't have an unlocked sim. I've heard with TMobile you have to call and have the sim unlocked , which in turn let's you then toggle the oem unlock so you can unlock the bootloader.
So my question is, since I bought the phone unlocked, and I can toggle the oem unlock feature, can I just unlock the bootloader now and proceed with root or does it sim need to be unlocked too??

You have to go into fastboot to check if you have it toggled on in dev options go into bootloader and do fastboot oem unlock from command prompt it will unlock or it won't you may have to get an unlock token from one plus also TMobile locks bootloader you need an unlock token file

Question OnePlus 9 T-Mobile sim unlock with unlocked bootloader

I have a OnePlus 9 T-Mobile (LE2117). I got the bootloader unlock code from the OnePlus and was able to unlock the bootloader (fastboot oem unlock).
The phone was bought from T-Mobile and it is not paid off. In the Settings > About device > Network Unlock settings it says that it is locked and it is not eligible for neither permanent unlock nor temporary unlock. The temporary unlock is not available, because it was already applied for 5 times during this year.
I am outside of USA and I do not have a T-Mobile sim-card.
Does anyone know whether it is possible to unlock the network, if the bootloader is already unlocked?
PS: I searched here and I saw people saying that it is possible to unlock bootloader only after unlocking sim (network), but my request to OnePlus for unlocking bootloader was approved and I got the unlock code file (unlock_code.bin).

c0d3f0rc37 said:
I have a OnePlus 9 T-Mobile (LE2117). I got the bootloader unlock code from the OnePlus and was able to unlock the bootloader (fastboot oem unlock).
The phone was bought from T-Mobile and it is not paid off. In the Settings > About device > Network Unlock settings it says that it is locked and it is not eligible for neither permanent unlock nor temporary unlock. The temporary unlock is not available, because it was already applied for 5 times during this year.
I am outside of USA and I do not have a T-Mobile sim-card.
Does anyone know whether it is possible to unlock the network, if the bootloader is already unlocked?
PS: I searched here and I saw people saying that it is possible to unlock bootloader only after unlocking sim (network), but my request to OnePlus for unlocking bootloader was approved and I got the unlock code file (unlock_code.bin).
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A few months ago I ran the gamut for exactly this because a neighbor bought a T-Mobile version of a device off a local classifieds site thinking he'd unlock it and put a custom ROM on it. Turns out dude who sold it to him over the internet hadn't finished paying the thing off before dumping it and abandoning his contract; had to twist the arm of my corporate account rep and get upset with some of the upper echelon of T-Mobile to be told that.
As you're finding out, carriers don't take kindly to people trying to alter the software on devices they don't own yet (I.E. are still paying for).
As such, carrier unlock and OEM unlock are two different things; temporary unlock and full unlock are different kinds of carrier unlock, and AFAIK OEM unlock won't be enabled in Developer Options unless you've performed a full carrier unlock (so color me surprised at your situation), which you won't be eligible for (and T-Mobile won't release) until the phone is paid off free-and-clear in their system, up to and including any past-due balances on accounts the device may have been a part of, as well as having to meet additional criteria you can check in their policy here.
If you are successful in this endeavor, keep in mind that T-Mobile will be within their rights to demand payment in-full for the remainder of the balance of the device the moment they realize it's been tampered with.
EDIT: I found this, may be helpful. In the first post they say someone came up with an MSM package that doesn't require SIM/carrier unlocking: https://forum.xda-developers.com/t/convert-t-mobile-oneplus-9-to-global-or-other-firmware.4277169/

How can I root my T-Mobile OnePlus 9? I can't find any boot img for it online stock or patched... Any way to extract it?

Yes. Message me

..

OEM unlock despite sim lock
@Ju5t3nC4s3 very kindly shared with me a cool trick to make the Developer Options OEM unlock option work despite a SIM lock. Here is my variant of the trick. Exit Development Settings, then do: adb shell pm disable-user com.qualcomm.qti.uim The...
forum.xda-developers.com
You don't need sim/network unlock to unlock the bootloader

You can unlock oem without network unlock there's thread available for this
Its msm tool just simply flash your device and you'll be able to unlock BL

c0d3f0rc37 said:
I have a OnePlus 9 T-Mobile (LE2117). I got the bootloader unlock code from the OnePlus and was able to unlock the bootloader (fastboot oem unlock).
The phone was bought from T-Mobile and it is not paid off. In the Settings > About device > Network Unlock settings it says that it is locked and it is not eligible for neither permanent unlock nor temporary unlock. The temporary unlock is not available, because it was already applied for 5 times during this year.
I am outside of USA and I do not have a T-Mobile sim-card.
Does anyone know whether it is possible to unlock the network, if the bootloader is already unlocked?
PS: I searched here and I saw people saying that it is possible to unlock bootloader only after unlocking sim (network), but my request to OnePlus for unlocking bootloader was approved and I got the unlock code file (unlock_code.bin).
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How long did you take to get Unlock token for LE2117 I have applied but I didn't receive token yet!!

Mr Hassan said:
You can unlock oem without network unlock there's thread available for this
Its msm tool just simply flash your device and you'll be able to unlock BL
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How?