Share your experience!
since you have multiple issues > repair the phone with PCC
Bridge (for Mac)
Alternatives on How to backup Xperias
and I have problems with gps since the last update (26.1.B.3.109), meaning that connects to several satellites and every 5 minutes disconnects.
before this update I had no problem with gps
Try the above suggestion, if that doesn't work then get your device inspected by your Local support