Why won't my iPhone 4S unlock or slide to open up?

[iMore Question]

My iphone 4s will not unlock the sim,i removed the sim card and tried again and now it will not slide to unlock at all

 

[Ledsteplin]

Re: my iphone 4s will not unlock or slide to open up

Welcome to iMore! Try a hard reset.
Hold the top or side power/sleep button and the home button at the same time until the Apple logo appears, then release.