Bootloader locked after reboot?! - Nexus 5X Q&A, Help & Troubleshooting

Hey guys,
I unlocked my bootloader using "fastboot oem unlock", but when I do "fastboot reboot-bootloader" and the phone reboots, it says that my phone is locked?! Did anybody have a similar problem and a solution?
Might unlocking the phone with "fastboot flashing unlock" make a difference?
This really is annoying as I want to have my bootloader unlocked permanently.
Thanks in advance.

No rpmb im boot state?
I'm guessing your phone has motherboard replaced

mrlollog said:
Hey guys,
I unlocked my bootloader using "fastboot oem unlock", but when I do "fastboot reboot-bootloader" and the phone reboots, it says that my phone is locked?! Did anybody have a similar problem and a solution?
Might unlocking the phone with "fastboot flashing unlock" make a difference?
This really is annoying as I want to have my bootloader unlocked permanently.
Thanks in advance.
Click to expand...
Click to collapse
its a known issue, try this: https://amp.reddit.com/r/nexus5x/comments/5hj0r0/bootloop_after_lg_replaced_mainboard_bootloader/

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I've been trying to unbrick this thing for an hour, I would easily be able to flash a recovery through fastboot if the bootloader would unlock, I've done 'fastboot eom unlock' then rebooted the tablet, but it still shows as locked. Please help as soon as possible.

htc 816 w is bricked

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my device is bricked from me because im instill acustom rom and recovery then i locked my bootloader then my device dont turn on the system but stop in fastboot mode and write locked then i cant unlocked agian from htcdev.com please any one can solve my problem speedly
eslamhassan said:
hi guys
my device is bricked from me because im instill acustom rom and recovery then i locked my bootloader then my device dont turn on the system but stop in fastboot mode and write locked then i cant unlocked agian from htcdev.com please any one can solve my problem speedly
Click to expand...
Click to collapse
You just need to unlock your bootloader again. What exactly isn't working? If you still have the Unlockcode.bin file, just type this into fastboot "fastboot flash unlocktoken Unlock_code.bin". If not just follow the original root guide up to where you unlock it.

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Will it need an unlock token from htcdev?
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Selling phone and can't remove red text

I'm selling my HTC 10 which I debranded and converted to the US model (after unlocking the bootloader and obtaining s-off).
I want to sell it with the US ROM on it, but need to remove the red warning text on the boot screen.
I incorrectly assumed that this was caused by having an unlocked bootloader, however locking the bootloader hasn't removed this. Do I need to s-on to remove the text? I tried "fastboot oem writesecureflag 3", but it failed. Is this because I relocked the bootloader?
Do I need to unlock it again, run fastboot oem writesecureflag 3 and then relock it?
i remove that Red text flashing a run.exe and I was S-OFF/LOCKED.
Fastboot oem writesecureflag 3" don't relock bootloader. This command is for change to S-ON
enduromen said:
i remove that Red text flashing a run.exe and I was S-OFF/LOCKED.
Fastboot oem writesecureflag 3" don't relock bootloader. This command is for change to S-ON
Click to expand...
Click to collapse
I know fastboot oem writesecureflag 3 doesn't relock the bootloader. I'd already locked the bootloader with fastboot oem lock.
Run.exe?
Pumpino said:
I know fastboot oem writesecureflag 3 doesn't relock the bootloader. I'd already locked the bootloader with fastboot oem lock.
Run.exe?
Click to expand...
Click to collapse
sorry my mistake not run.exe but RUU.EXE
enduromen said:
sorry my mistake not run.exe but RUU.EXE
Click to expand...
Click to collapse
I ran the latest US RUU.exe and it wiped the phone, but didn't remove the red warning text.
Is the red warning text caused by having s-off?
I'm assuming that I don't need to return the phone to its original CID and MID in order to remove the red text.
Edit: I might try changing the MID back to the original, as another thread indicated that that can cause the problem.
Pumpino said:
I ran the latest US RUU.exe and it wiped the phone, but didn't remove the red warning text.
Is the red warning text caused by having s-off?
I'm assuming that I don't need to return the phone to its original CID and MID in order to remove the red text.
Edit: I might try changing the MID back to the original, as another thread indicated that that can cause the problem.
Click to expand...
Click to collapse
You will probably need to flash original software on it.
Tarima said:
You will probably need to flash original software on it.
Click to expand...
Click to collapse
I've fixed it by flashing the WWE version.

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