MIUI ROM 4.2.7 Full Changelog
UwpDjFjm7Dc
[Lock screen, Status bar, and Notification shade]
New - Added the option to customize carrier name (Settings-Notifications-Additional settings-Edit service provider name)
Optimization - Improved pulldown notification shade and displayed some information in the status bar
[Weather]
Fix - Location issues of places outside China
[Security Center]
Fix - Display error of phone internal storage in Cleaner
Note: Today is the first work day after Chinese Spring Festival holiday. The changelog is a little short.