So I got an old HTV One (M8) and I wanted to try installing a different OS. The problem is: I cant unlock the bootloader without an account at htcdev but their e-mail service seems unavailable. If I register with an e-mail adress the e-mail never arrives. If I try to register again it says: email allready taken. Can anyone help me out who has allready a htcdev account?
How to factory reset the HTC One M8 using the hardware buttons
If your HTC One isn’t booting, you can’t access the settings or you just really like buttons, you can factory reset your HTC using the following steps:
Source
I have no idea if that helps at all, but it’s all I got.
Unlocking the bootloader has nothing to do with a factory reset.
I was guessing that doing a factory reset might allow access to the developer options.