Phone is on but completely blank

[louisebensonnash1969]

had my iphone 4 about 6 weeks and this morning it went blank!! i know its on cos i can hear my texts and calls, i have googled it and done the holding the home and power button togther for 15 seconds, still nothing, so i connected to itunes and have done a restore and still nothing!! any ideas please

 

[iGaz]

Sounds like your backlight or screen has malfunctioned.

Take it back to apple. You get a years warranty with iPhones...