It's a little water resistant
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
You can't go to swim with it but if it will fall in a puddle, it's enough.
Global/EEU MIUI 11 with Android 10 is out for couple of weeks now
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
As for unlocking, it's not VERY complicated, turn on couple options in settings and download and install a tool for unlocking is not complicated at all for most of the users
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
There is a lot of guides and the only real problem is that you must wait for a week to unlock it.