Can you do a "hard reset" on it to take it back to an "as new" condition?
I've had to do that twice on my Blackberry and one or two of my friends have done the same thing when their iPhones have played up.
Be sure to back everything up first!
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
Mac power user tips and hidden tricks
Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?