Try this...
Install one of the dev roms. set up the phone but dont log in to your mi account. after finished the setup go to i.mi.com
Log in. The site will ask you for 2nd log in. Log in again and they will send you the verification sms. YOU SHOULD GET IT.
If you verified yourself switch off...
Took 2 weeks mine I'm not gold or diamant member. Simple fill in Chinese the request it was working for me.. My BL is already open..
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