Warning
Cookies are used on this site to provide the best user experience. If you continue, we assume that you agree to receive cookies from this site. OK
Back up your data now. The screen could stop responding to touch at any point, and then backing up becomes much harder.
Check the touch and display. Black spots, coloured lines or areas that don't respond mean the display underneath is damaged, not just the glass on top.
Cover the crack with clear tape. It stops shards coming loose and slows the crack from spreading.