Development One+_TooL with Grayed out Oem_Unlock (Bootloader Unlock) enabler & Engineer Decrypt

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zonexo

Senior Member
Jan 21, 2013
66
9
Hi, I've got a Tmobile OP8 android 10 and I could do a permanent unlock the moment i got it. However, it was spoilt after 2 months. i sent my op8 for repair and just got it back. It's on android 11, however it's now sim locked to tmobile again. And now I can't unlock it. Tmobile won't help, saying it's OP's problem, and OP has yet to reply me. Doubt they'll help as I've heard others with similar problem.

I managed to use the unlock tool to do oem unlocking. I have also requested for the unlock key thru OP. So if I switch to global rom, will I be sim unlock? Or can I switch back to android 10 and do the sim locking in the setting?

Thanks.
 

EtherealRemnant

Senior Member
Sep 15, 2007
3,947
1,290
37
Denver, CO
Hi, I've got a Tmobile OP8 android 10 and I could do a permanent unlock the moment i got it. However, it was spoilt after 2 months. i sent my op8 for repair and just got it back. It's on android 11, however it's now sim locked to tmobile again. And now I can't unlock it. Tmobile won't help, saying it's OP's problem, and OP has yet to reply me. Doubt they'll help as I've heard others with similar problem.

I managed to use the unlock tool to do oem unlocking. I have also requested for the unlock key thru OP. So if I switch to global rom, will I be sim unlock? Or can I switch back to android 10 and do the sim locking in the setting?

Thanks.
You're screwed if OnePlus doesn't help you. Switching firmware won't unlock the SIM.
 

centifanto

Senior Member
Sep 1, 2022
69
39
OnePlus 9
OnePlus 10 Pro
Fantastic tool @Ju5t3nC4s3 , thank you for taking your own time to test and put it together. I was able to get my unlocking toggle turned on and requested the unlock token.

I noticed earlier you mentioned you found a workaround to use MSM without the unlock token that doesn't require a factory reset. Could you detail the steps to do this? Also, is there a benefit to just wait for the token from 1+ versus using your approach?

Thanks again! Do you have a donation link?
 

Ju5t3nC4s3

Senior Member
Dec 29, 2007
269
120
t.me
Xiaomi Poco F1
OnePlus 7 Pro
Theres no benefit at all waiting i just found a method to curupt the xbl in the ops file so it wont ask for the unlock token. But it wont ever boot. Untell you unlock the bootloader. And i know were the bit is that is used to flip the oem unlock in dev menue. So u don't need to boot to flip it. Then this method u can just boot direct to fastboot and unlock without a token.
 

Mr Hassan

Senior Member
Feb 14, 2016
741
38
OnePlus 10 Pro
Theres no benefit at all waiting i just found a method to curupt the xbl in the ops file so it wont ask for the unlock token. But it wont ever boot. Untell you unlock the bootloader. And i know were the bit is that is used to flip the oem unlock in dev menue. So u don't need to boot to flip it. Then this method u can just boot direct to fastboot and unlock without a token.
whao but once u unlock it by FB then you can flash FB rom not!
or still need to unlock from setting
 

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  • 1
    It will be fully boot unlocked. And can flash anything. Been using this method personally now for about a year. Just dont want to release it.
  • 24
    Here is my latest version of My Oneplus Tool . This tool can do almost everything for you. I have added a method to switch the Oem_Unlock switch on Sim locked devices. It will ungray the switch so you can flip it and bootloader unlock. It still has all the other tools like the engineer mode decrypt, to enable the app. Also lots of hidden SECRETS like every oneplus device has a hidden copy of busybox already installed . and this will access it. Plus this has a long list of dialer codes .There are lots of tools like scrcpy and a windows file explorer for your device. I have also added lots of fastboot adb commands. Please feel free to let me know if anything can be added. I been notifided this has been reported as a virus, it is only a .bat file converted to exe. please scan for yourself.



    Please donate for the cause.
    I have now made this ungray method usless LoL I have a working method that lets u flash msm and boot direct to bootloader and unlock without the need for a oem unlock token from oneplus , even works if ur still sim locked.
    4
    @Ju5t3nC4s3 Hi OP, none of the download links working as AFH showing "no mirror found" and GD showing "file contains a virus", so I removed the links for now. Please double check your download links and I would suggest you to post a scan result by VirusTotal or similar site.

    Thanks.
    3
    any guidance?
    better with an instruction。
    thx for sharing。
    3
    This has all can together just from the data mining and the need for the tools for the reversing of the simlock . I been working on it now for some time and have discovered many other vulnerablitys. I have unlocked some devices,but never 1 the same. Before I released this I descoverd how to flip the oem_unlock switch under the greyed out area.and was able to unpack a msm download and mod to repack it. So after flash the switch is on. By 1 bit I found in one of the partitions. Recently I have located some code just like the engineer mode qr for the sim unlock. And there is a couple RSA private keys with it.I also located a dialer code to skip setupwizard. And another code that gives u all USB access like adb ,diag , all with out verification.
    2
    ? What are u trying to show ,,u can check the sim lock in *#808#.
    I was just trying to thank you for your hard work xd. I have had really bad luck with tmobile reps not wanting to unlock my phone so that I can unlock the bootloader and therefore flash custom roms. With your tool I was able to install StagOS without any issues even though Im still simlocked