*#800#Feedback menu
*#888# Engineer mode - displays PCB number
*#6776#Software version
*#06#Show phone's IMEI
*#07# Displays the Specific Absorption Rate (SAR) value of the device
*#*#225#*#* Displays calendar storage info
*#*#426#*#*Google Play Services info or Firebase Cloud Messaging diagnostics (Select devices only)
*#9900# System dump mode
##778 (+green/call button)EPST menu

*#7465625#
Device lock status