Check Phone Radiation and SAR Level
Software or Android Information : USSD Codes to Check Software and Android Version
Testing related Information : USSD Codes related to Testing
Network related information : USSD for Network Related Activities
Tools : Codes related to various functions of Phone.
System related information : USSD Codes to get Android System related Information.
Get IMEI number of Phone.
Get Software and Hardware Version of Device
Factory Reset USSD Codes for Phones and Tablet
Full Reset, Factory Reset Codes : Use these codes very carefully.
USSD Codes to get Network MCC, MNC etc.
Please use System related codes like "Factory Reset" very carefully , you may loose data.