[GUIDE] ROOT OnePlus 7T Pro McLaren 5G (T-Mobile version HD1925)

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Chueppo

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Aug 29, 2021
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myxdad said:
Haven't rooted the phone for over a year so I can't really remember what i did. I just wanted to updated to 11.0.1.9 and keep root
Click to expand...
Click to collapse
Since there's no fully working TWRP for HD1925, I always use the MSMDownload Tools to downgrade my firmware then upgrade manually directly on the phone.
Follow this link on how to downgrade or unbrick HD1925
forum.xda-developers.com

[OP7TPRO TMO 5G][OOS 11.0.1.5 HD61CB] Unbrick tool to restore your device to OxygenOS

Disclaimer: By attempting any of the processes listed in this thread you accept full responsibility for your actions. I will not be held responsible if your device stops working, catches fire, or turns into a hipster and claims to have been...
forum.xda-developers.com forum.xda-developers.com
 
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Chueppo

Member
Aug 29, 2021
16
20
myxdad said:
PS can anyone refresh my memory as to what I need to do to go from HD 11.0.1.3 rooted & bootloaded unlocked, to HD 11.0.1.9?

Do I just install the patched 11.0.1.9? My OTAs don't work.
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Once you're rooted, your OTA won't work.
The best way is to revert it back to factory using msmdownload, upgrade the firmware on the phone directly, unlock bootloader then rooted it again.

kishore075​

As far as I know, Tmobile also don't provide their rom to be downloaded.
 
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myxdad

myxdad

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Dec 24, 2020
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Thanks guys. Thats a lot of work. Is there any real reason to go form 11.0.1.3 to 11.0.1.9?
 
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  • 51
    js042507
    js042507
    Hi. So I wanted to put together a little write-up on how to root the T-Mobile McLaren 5G variant, at least how I rooted mine, as there doesn't seem to be anything about this yet. I was actually able to root my device last night successfully, so I hope this guide helps others go through the process.

    **WARNING** Unlocking your bootloader will render your phone unable to take OTA updates! This is a newly discovered problem that hopefully will be fixed soon. But currently, unlocking the bootloader will wipe your data and also a reserve.img needed for the OTA updates. Proceed with caution!

    *I do not take ANY credit for this work. I am simply gathering data from various sources into one single reference guide*

    *Credit is due to HolyChickenGuy and dstryrwiz mostly, as I gathered most of the data from these members. Also, topjohnwu of course for Magisk.*

    So, anyhow, with this version of the OnePlus Pro 7T being carrier-locked, you must of course follow different procedures than a typical unlocked phone. And because OnePlus thinks they are special somehow, you also have to obtain an unlock code for the bootloader. :laugh:

    Steps that I followed:

    1. Obtain SIM unlock status via T-Mobile. In order to do this, I simply just asked a T-Mobile employee via Twitter if they could provide me a permanent unlock. And without any issues, they were very kind to do so....even after day 2 of owning the phone. And on the EIP, it's not paid off.

    2. After getting them to add your IMEI to the unlock list, go to the system settings --> WiFi & internet --> SIM & network section. There will be an option called "Network Unlock" at the very bottom under the 'Advanced' section. Click that and then go through the prompts. You want to choose "Permanent Unlock". Then, if T-Mobile made on their promise, it should ask to reboot...after which the 'OEM unlocking' option under the Developer Options will no longer be grayed out. Woohoo!

    3. After obtaining successful SIM unlock, now you have to submit a form to OnePlus to obtain the actual unlock.bin file to get the bootloader unlocked, generated from a unique 64 character code you will obtain in the next step.
    Ensure that USB Debugging is turned ON. In fact, make sure it's always on during this entire procedure, because it's required. Enter fastboot mode via holding the power and volume DOWN buttons during boot up. Or easiest way is to simply soft reboot with the "Advanced reboot" option enabled from the Developer Options. Once in fastboot mode, enter the following command to obtain this 64 character code...​
    fastboot oem get_unlock_code​
    This will spit out that 64 character code. Now go to this page, sign in, and fill out the form to submit for the .bin file.​
    NOTE: This takes at LEAST 7 days to get the .bin file. For whatever reason...it must be an automated system. I tried contacting them twice, but they wouldn't budge and told me I had to wait. LOL. And it seriously took EXACTLY 7 days and like 12 minutes for the email to arrive.​

    4. So after you have the "key" to finally unlock this darn phone, enter fastboot mode again and enter the following commands...
    fastboot flash cust-unlock "%path\to\unlock_code.bin%"​
    fastboot oem unlock​
    <<-- This step will ERASE everything on your phone. Most people know this, but I have to say it. Internal storage will be wiped too. :good:

    Finally, the phone is unlocked. Now we can root it.

    *I used various information from different forum postings...and some previous knowledge of course. Again, I don't take credit for any of this. I'm just following instructions. :cowboy:

    5. Download the unofficial TWRP .img file for the OnePlus 7T Pro from here. To be honest, I am not even sure if using TWRP for this part is really necessary, but somehow I came to that conclusion. LOL. This process worked for me, so yeah. Anyhow, enter fastboot mode again and boot to TWRP (do NOT flash it!) by entering the following...
    fastboot boot "%path\to\twrp-3.3.1-5-hotdog-unified-mauronofrio.img%"​
    Now in TWRP, enter the following commands to extract your stock boot.img file...
    adb shell dd if=/dev/block/bootdevice/by-name/boot of=boot.img​
    adb pull /boot.img​
    This will copy your boot.img file to wherever adb is running on your computer.

    6. Take that boot.img file and copy it over to your internal SD on your phone. Boot your phone up as normal, and go grab Magisk Manager from Git here. Open up Magisk Manager, expand the "Advanced Settings" option, and check the "Preserve force encryption" and "Preserve AVB 2.0/dm-verity". Select the "Install" button from the regular Magisk option and choose "Select and Patch a File ". Find your boot.img file and Magisk Manager will created a patched .img file. Copy this new .img file from your phone over to your PC.

    7. Enter fastboot mode again. Now just boot from this newly patched .img file by entering the following...
    fastboot boot "%path\to\magisk_patched.img%"​

    8. Final step. And hopefully your phone boots up.
    *If not, and you're stuck in a boot loop...you might need to make the A or B partition active. To do this, while back in fastboot mode, enter either command (most likely B)...
    fastboot --set-active=a​
    fastboot --set-active=b​
    Again, hopefully the phone just booted up normally without having to do that. Now in your phone, open up Magisk Manager again and simply choose the same Install option, but instead select "Direct Install". Magisk will now flash that .img file, ultimately granting permanent root privileges.
    Reboot and enjoy!! :D

    ***Here is a good write up on adb and how to get it running on your PC....https://www.xda-developers.com/install-adb-windows-macos-linux/***
    View
    8
    J
    jhofseth
    stock and magisk patched 5G McLaren boot images

    OnePlus 7T Pro 5G McLaren
    2 boot images (zipped with ZArchiver app), one is stock and the other patched with latest available Magisk.

    4.14.117-perf+
    #1 Wed Dec 4 20:44:37 CST 2019

    Android security patch level
    November 1, 2019

    As mentioned, booting the unzipped Magisk patched boot image requires an unlocked bootloader.
    View
    7
    J
    jhofseth
    starcms said:
    Very curious, how did you pull the stock boot image from 11.0.1.2 without twrp working on OOS 11? Is there another way? If so, please share. Thank you so much!!
    Click to expand...
    Click to collapse
    I did:
    fastboot getvar all [to see what boot slot I needed to pull; this specific phone was was on b]
    fastboot boot twrp-3-5-1_10-hotdog.img
    adb pull /dev/block/by-name/boot_b boot.img     [someone else might need boot_a if on slot a]
    So, I fastboot booted this TWRP and pulled boot image via ADB: https://github.com/Systemad/android_device_oneplus_hotdog/releases/tag/a11
    View
    5
    J
    jhofseth
    magisk patched (stable 22.1) boot image for 11.0.1.2 is attached (zipped).
    View
    5
    LLStarks
    LLStarks
    https://forum.xda-developers.com/oneplus-7t/how-to/t-mobile-free-op7t-sim-unlocking-t4014053

    There is. Works for the 5G.
    View

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