I had the same problem as many fellow users, that the official page for generating the “bootloader unlock code” does not work.
(Manage the bootloader of your FP3/FP3+ – Support)
On the community recommended site (FP3 'verify code' generator) I get a code. However, when I use this code in OEM unlocking, a “no such phone” message appears and unlocking does not work!
Do you have any idea what the problem could be?
We had a discussion about the same problem in this thread:
The community scripts don’t work for the new Android 10 version. I opened a support ticket but did not get any help there, yet.
@_tmp provided two other solutions in this post, but I didn’t want to try them before hearing from the official support:
That’s all info I could gather so far. I am still trying to figure this one as well 
This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.