Help xperia u not starting up!!!

[xpreck_dash]

hi! .....my xperia u has stopped working as a while ago it was working then suddenly the phone got switched off (25% battery still remaining)......and now its not starting up.....its not even showing the sony logo on the start up....the screen is totally blank. i have tried out "the remove battery process too". but on charging the phone ...it shows the red light !!!!1

 

[Anisah]

This has just happened to my phone too. I don't know what to do! SOMEONE HELP PLEASE

 

[Anisah]

Oh, never mind. My phone literally just turned back on after leaving it on the charger for about 15 minutes.