How to check whether my Xperia SP is original or not?

[Ashroft98]

How to check?I'm kinda worried if i got the non-genuine set of Xperia SP since it got a lot of lag.

[Uliwooly]

Most likely it is original, repair your phone with

Update Service (SUS)

http://www.sonymobile.com/gb/tools/update-service/

http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355

Don't forget the Kudos