Few hours of testing/fooling around: - sensors not working - GPS not working - Bluetooth file receive from another Sailfish phone (Moto G4 plus) works. (No other Bluetooth testing done.) - Samba app not working. (Works on Moto G4 plus.) - Occasionally WiFi stops working. Reboot fixes it. - Not possible to setup "General email" account. (Works on Moto G4 plus.) - Camera works, but not possible to select full resolution 24MPix mode. - Video recording resolution is 3840x2160 4K? (By looking captured video file details.) - Haven't tested SIM/phone functionality yet. The XperiaX is in 2.1.3.7 after it performed OTA update. My Moto G4 plus uses sailfish version 2.1.0.10.