This morning I woke up to my Samsung Galaxy S3 which just “hung” during the start-up screen with the white text “Samsung Galaxy S3 GT-19300” on a black background. It never comes to the “Enter Pincode” screen.
It worked without a problem when I went to sleep last night. As far as I know it should not update the software on its own, similarly the apps shouldn't update themselves without my confirmation.
I have tried to restart it and to take the battery out and put it in again but the result is the same.
Any suggestion or advice on how to fix this would be so much appreciated.