OnePlus8 VZW Bootloader is Not Unlockable

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clisays

Senior Member
Apr 3, 2022
54
2
Follow this guide regarding MSM Readback to backup your partition(s).
for now.I'm in Verizon,my phone no problems,I just want fix when me flash hydrogen OS or international oxygen OS、Europe OOS signal failed question,I can try find whoareyou get me help,but her ,just interesting to unlock bootloader,her can't help me,i found XDA development ,no answer,but i get a guide,they tell me, MSM tool can backup img,i wanna try use MSM tool backup modem.img,use adb shell flash it,but,i don't konw how can do .
 

rodken

Senior Member
Jan 11, 2010
911
323
for now.I'm in Verizon,my phone no problems,I just want fix when me flash hydrogen OS or international oxygen OS、Europe OOS signal failed question,I can try find whoareyou get me help,but her ,just interesting to unlock bootloader,her can't help me,i found XDA development ,no answer,but i get a guide,they tell me, MSM tool can backup img,i wanna try use MSM tool backup modem.img,use adb shell flash it,but,i don't konw how can do .
You need to scour XDA and reach out to some folks that might assist you in that matter.
 

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  • 13
    I can confirm a working method is available, PM me if you are interested, it will not be posted publicly.
    4
    I never got a reply to any of my private messages asking about the bootloader unlock, so here's the progress I've gotten on my own -

    The Verizon ops files use slightly different crypto than the other variants like T-Mobile
    Code:
    mbox=        [0xAA,0x69,0x82,0x9E,0x5D,0xDE,0xB1,0x3D,0x30,0xBB,
                  0x81,0xA3,0x46,0x65,0xA3,0xE1,0x00,0x00,0x00,0x00,
                  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
                  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
                  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
                  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
                  0x0a,0x00]

    Code:
    Oppo CryptTools V1.2 (c) B. Kerler 2019-2020
    MIT License
    ----------------------------
    
    Extracting instantnoodlev_15_O.07_201103.ops
    xml: 153330e00
    Extracting prog_firehose_ddr.elf
    Extracting prog_firehose_lite.elf

    With a bit of editing it's possible to reflash the phone to instantnoodlet_15_O.16_201001.ops (the T-Mobile variant) -- edit settings.xml and change the <BasicInfo> and <Target ID> tags.

    With this comes the "OEM unlock" toggle in Developer settings, unfortunately ....

    Code:
    fastboot oem unlock
    FAILED (remote: 'Please flash unlock token first.')

    Code:
    fastboot.exe oem get_unlock_code
    ...
    FAILED (remote: Unknow command)

    So, no bootloader unlock yet, but it is happily running the T-Mobile firmware.
    (wifi, LTE and fingerprint appear working fine)

    I may take another stab at it later using an EU or international firmware and see if that behaves any different.
    3
    Whatever... I'll bite the bullet. Just ordered one 5 minutes ago and I'll get it on the 6th. Let's see where we end up.
    2
    Here is some proof. And yes he will answer on his time. Sorry that's all I can tell you. Verizon op8 unlocked running pixel experience spoofed as a pixel 4 for all the nifty features. Call screen -assistant 2.0. magisk rooted passing all safety nets,clean slate kernel

    Good to hear, guess i'll keep waiting. Do like the feel and speed of the phone, definitely out performs my Moto z4