Xperia Service Menu (com.thunderboltsoft.xperiaservicemenu) on Google Play
WhoIs for 'thunderboltsoft.com'
This allows you to open the Xperia's service menu with a single tap instead of entering a long combination of numbers.The service menu allows you to view device configuration, software configuration and to perform tests of the various features available on your device.FAQ:1) It says the service menu app was not found on my phone:- Try rebooting your phone.- If you are on a custom ROM, it might be an issue with that.