My freinds m5 dual purchasing date is 7-11-2015 And his mobile warranty end date is 12-12-2017 He dont no how this happen Was sony provided extended warranty for some devices??? If you know so please tell me what was happend so that his warranty extended Sorry for bad English
I'm afraid I can't answer how long the warranty on your friends device is as this may differ between countries. I would recommend that you get in contact with your Local support. They can assist you with any question you may have regarding warranty coverage in your country.