
go to "settings" -> about device -> software info -> build number tap for 7 times
Android usb settings, -> back to settings -> developer options

-> turn on -> connect phone to pc
-> authorization -> disconnect, then reconnect
All About Android OS

go to "settings" -> about device -> software info -> build number tap for 7 times
Android usb settings, -> back to settings -> developer options

-> turn on -> connect phone to pc
-> authorization -> disconnect, then reconnect