there is new software for Mi 5x tiffany
xiaomi.eu_multi_MI5X_V9.5.1.0.NDBCNFA_v9-7.1.zip
Highlights
New - One-time data limits: hotspot turns off automatically when set data limit is reached. (12-12)
Lockscreen, Status Bar, Notification Bar
Optimization - Improved TalkBack in the notification...