I yesterday enrolled my device in the Device Beta programme and I Got A OTA update Saying IOS 9.1 public beta 1 But When reaching the half download it gives me a error message that Error Occurred in Updating OS I have tried it several times since yesterday I doesn't seem to update Please help!
IOS 9.1 Beta 1 can't download
Try connecting your iDevice to your computer and using iTunes to update it.
-Max
same happened to me, i did on the computer and shows a message something like firmware isnt compatible.