Hello guys I recently got xiaomi m2s with MIUI 3.7.5, the phone is awesome but I've got a little issue. As you can see here my date format is yyyy/mm/dd but I don't want it that way. I found how to change it from the settings and made it dd/mm/yyyy but it doesent change in the clock or calendar. What can I do? My other question is little stupid but why is there a lock on the clock app? From where can I control this? Thanks.