Xperia play,touch doesnt do I unlock it to check if camera,mic,etc does work?

i have a xperia play.i accidently droped it last week and I broke the glass in it and now its touch doesnt work..i need to sell it and I wannna mae sure the buyer that except the touch (mic,speakers,motion sensors,acceleromotor,camera etc) does work there a way of checking those?? please help??
Asked Jul 05, 2013

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