In developer options, enable the OEM unlock and all USB debugging options. Then, make sure that you are logged-in with your Mi Account and if you have a permission to unlock the bootloader. After that, try again to unlock :)
I have OEM Unlock ...
hey , my audio doesn't working
how t fix it
help me please
Restart phone with headphones plugged in. If it doesn't work first time then keep trying. I suddenly faced audio problem but rebooting phone with headphones plugged in worked.
If it does...
I have same problem too. What phone are you using?
I'm using Redmi Note 3 with MIUI 8 Developer ROM.
---------- Post added at 09:51 AM ---------- Previous post was at 09:32 AM ----------
By default, MIUI would disable pop-up window.