Xiaomi Mi 6 - secret codes

Xiaomi secret codes spotted in Xiaomi Mi 6 firmware:
Source:
https://twitter.com/fs0c131y/status/933351903827845121

*#*#64663#*#*
*#*#6484#*#*
*#*#995995#*#*
*#*#717717#*#*
*#*#2367#*#*
*#*#5678#*#*
*#*#27284#*#*
*#*#797628#*#*
*#*#334334#*#*
*#*#477477#*#*
*#*#632#*#*
*#*#9434#*#*
*#*#5959#*#*
*#*#25327337#*#*
*#*#5228378#*#*
*#*#6485#*#*