TEMS POCKET Problem

[smartyouth92]

Could you please help me with TEMS POCKET , I have this app in my device ( SONY LT25i ), Recently my device was halt and i changed the Firmware for my device to android version 4.3 After that i'm tried to install TEMS Pocket again using the Original installer but it's not working even i have the License file so please could you help me on this taking into consideration when i'm turning the device On the Ascom's slogan was disappear (it mean the Ascom firmware was removed )