How To Guide [INFO] Bootloader Unlock reference guide

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can0199

Member
Nov 9, 2016
10
0
if you use windows go to device manager and check that fastboot driver are propper installed. i have iften the problem that adb works but fastboot not. until no everytime it was a driver Problem
 

the bolt of thunder

Senior Member
Jun 15, 2011
53
14
OnePlus 9 Pro
Hey fellas. I am kind of confused on something. I have 9 Pro I ordered off Oneplus' website. It says LE2125. Is that the Global variant? Is this also considered the US variant? Is it safe for me to assume if I see something that says "Global variant" they are talking about mine? I don't want to flash something that won't work on my variant. Thanks guys/girls!
 
Last edited:

avid_droid

Senior Member
Aug 24, 2019
1,716
555
Hawaii
OnePlus 9 Pro
Hey fellas. I am kind of confused on something. I have 9 Pro I ordered off Oneplus' website. It says LE2125. Is that the Global variant? Is this also considered the US variant? Is it safe for me to assume if I see something that says "Global variant" they are talking about mine? I don't want to flash something that won't work on my variant. Thanks guys/girls!
Really not much to flash for this phone. There is a kernel. That's about it. If you are trying to go from AA to BA, I highly recommend taking precaution as you are more than likely to brick rather than be successful. I'd stay away from it. There is MSM luckily.
 

the bolt of thunder

Senior Member
Jun 15, 2011
53
14
OnePlus 9 Pro
Really not much to flash for this phone. There is a kernel. That's about it. If you are trying to go from AA to BA, I highly recommend taking precaution as you are more than likely to brick rather than be successful. I'd stay away from it. There is MSM luckily.
Okay, thank you for the heads up. I wasn't planning on doing that, I just wanted to unlock my bootloader and root. I see different information for different variants. I just wanted to confirm my variant, LE2125 is the same as the Global variant, which is the same as the US variant.

To be honest with you I don't even know the differences between the build tags (I think that's what you are referring too. I just got this phone so it's a little new to me) or why someone would want to switch that.
 
Last edited:

avid_droid

Senior Member
Aug 24, 2019
1,716
555
Hawaii
OnePlus 9 Pro
Okay, thank you for the heads up. I wasn't planning on doing that, I just wanted to unlock my bootloader and root. I see different information for different variants. I just wanted to confirm my variant, LE2125 is the same as the Global variant, which is the same as the US variant.

To be honest with you I don't even know the differences between the build tags (I think that's what you are referring too. I just got this phone so it's a little new to me) or why someone would want to switch that.
At the end of your software version it has the 2 letters and that'll show which version you're on. I'm sure it's AA which is Global. There should no issues with root.
 

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  • 1
    I've updated the Guide to reflect on T Mobile bootloader unlock and modified the statement regarding L1.
    1
    I'm back on Oneplus and noticed that my OEM unlock is greyed out.
    I've updated the Guide to reflect on T Mobile bootloader unlock and event modified the statement regarding L1.
    Silly me, I forgot the token is needed. Forgot about that part.
  • 9
    Hello Everyone,
    This is going to be a detailed post regarding unlocking your OnePlus 9 Pro’s Bootloader for anyone who is new to this or just wants a reference guide.

    Note : This is only for Global / Europe / Indian models [Non T Mobile]. Guide for T Mobile bootloader unlocking is present here

    Things to know before unlocking Bootloader:
    • (Edit: Apparently, Unlocking Bootloader after 11.2.3.3 retains L1 but still YMMV) Your L1 license is downgraded to L3 while the bootloader remains unlocked on your device. If in future you wish to re-lock it then the L1 license is restored without any hassle and everything works just fine.
    • Some apps partially or completely stop working. 2 of the most noticeable apps I have noticed personally are Netflix and Google Pay. Netflix becomes no longer installable/updatable from Play Store but sideloading and using it works just fine (Apart from the L3 license), whereas Google Pay straight up often refuses to work even when Magisk isn’t installed.
    • Unlocking your bootloader will wipe your storage! Please keep this in mind before proceeding to unlock your bootloader.
    • OnePlus does not void your warranty if you choose to unlock your phone’s bootloader, so your warranty remains perfectly intact.

    Pre-requisites:
    • A computer having the latest platform tools installed
    • OnePlus 9 Pro running on the latest available OxygenOS firmware
    • USB Cable
    • 30+% of charge

    Steps:
    • (Optional) Flash the latest OxygenOS Firmware twice on your device, to ensure that both the slots on your device are populated with the same latest firmware.
    • Go to Settings > About phone and tap on “Build Number” about 7 times to enable Developer Options
    • Go to Settings > System > Developer options and enable the toggle option saying “OEM unlocking”
    • Go to Settings > System > Developer options and enable the toggle option saying “USB debugging”
    • (Optional) Ensure that ADB is functioning properly.
      • Connect your device to your system
      • Wait for the drivers and other software to finish installing
      • Once your device is properly visible, open a new shell and type
        Code:
        adb devices
      • Your phone should be getting a prompt asking to allow USB debugging for your system, Tap Allow
      • Now
        Code:
        adb devices
        should be listing your device serial number properly
    • Boot to Fastboot by either:
      • Typing the command
        Code:
        adb reboot bootloader
        in a shell using adb
      • Powering off the phone and then pressing and holding Vol Up and Vol Down while pressing down Power in order to boot to Fastboot mode
      • Powering off the phone and then Pressing and holding Vol Down while pressing Power in order to boot to Recovery Mode first and then Rebooting to Bootloader through it
      • Enabling “Advanced Reboot” in developer options and choosing the Bootloader option in the power menu
    • Once in Bootloader, connect your device to your system and run
      Code:
      fastboot devices
      . It should list your phone’s serial number along with the text ‘fastboot’ written next to it.
    • Now type in the command:
      Code:
      fastboot flashing unlock
    • Your phone’s screen should now be asking for confirmation regarding Bootloader Unlock. Use the volume keys to navigate to the “Proceed” option and using the Power Button to confirm
    • Your device should now begin formatting itself and would reboot soon

    Congrats! You just unlocked your OnePlus 9 Pro! 🤩
    2
    At least 11.2.3.3 retains Widevine L1 even if you unlock bootloader.
    Older version had L3 problem, though.
    1
    On BA (EU) I can confirm L1 after unlock.
    1
    Never use ADB for this; but pressing Vol Up and Down while turning on does the same. And it works, as well as extended reboot option via power key.
    1
    I've updated the Guide to reflect on T Mobile bootloader unlock and modified the statement regarding L1.
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