Unlock for MM beta, is it available now?

Hi, I'm using Resurection Remix and lots of custom ROM for over a month, but no one as battery friendly and stable as stock MM. So i would like to ask can we unlock MM by now? So I can flash TWRP and backup, flash and do other things. And safe way to revert to stock 5.0 (Not fastboot flash bom-token blablabla)? I brought my Z008 to service center because of this. If there is a way, plz reply me with a link to that thread(s). Thanks in advance

Sorry for my English

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