How To Use Secret Codes On Motorola Moto G Stylus Portable -
Despite their usefulness, secret codes carry minor risks. Some codes, such as *#*#7594#*#* (which remaps the power button function), can alter system behavior without an obvious undo path. Others, like *#*#197328640#*#* (service mode on Samsung devices), simply do nothing on the Moto G Stylus. More concerning are “resets” that may format user data—though these typically require confirmation dialogs. Codes beginning with *2767* are historically associated with factory resets on older devices and should be avoided unless data loss is intended.
Accesses Motorola's CQA Test menu to perform hardware tests on sensors, display, vibration, and cameras. : *#*#225#*#* How to Use Secret Codes on MOTOROLA Moto G Stylus