UID

The user identifier (UID) of a player is a unique identifier of a player, primarily used for social purposes, specifically adding friends.
==Format==
The first digit of a UID indicates the server the player is located on. The other 8 digits are a number distributed according to account creation order.
If the player is playing on the internal servers, which has UIDs start with 0, UIDs may be less than 9 digits long as it does not display leading zeros.
Servers 	UID Prefix	Suited Region
(miHoYo internal)	0 	
 	1 or 2 	Mainland China
 	5 	Mainland China (Bilibili or Xiaomi channels)
America 	6 	North and South America
Europe 	7 	Europe, and Africa
Asia 	8 	Asia and Australia (excluding the Special Administrative Region)
TW, HK, MO 	9 	Taiwan, Hong Kong, and Macao
It is not possible to friend players on different servers nor is it possible to sync data across different servers.
==UID Display==
The UID is always visible in the bottom left corner of the screen and remains visible until blurred out or removed. The UID is also visible in the Phone Menu.
==Navigation==