Maxon Service Codes

*#9922# - Menu, reset (without SIM)
*#9900# - Software Version
*#9901# - Software Version (PBatch)
*#9911# - L1 Debug on/off
*#9915# - Back to defauld
*#9916# - Text (scroll up/down)
*#9917# - Lock status
*#9934# - Bd config
*#9935# - FC init
*#9936# - TOC init
*#9937# - Discharging battery
*#9940# - Pins
*#9941# - Testsignal
*#9953# - Phone off
*#9957# - Select 2-3 Menu lines
*#9958# - Watch stop
*#9959# - Watch start
*#9960# - Contrast set
*#9962# - SMS Menu
*#9988# - Tetris Play
*#9999# - Oem Id