Iphone 4 with faulty screen +

iphone 4 which has a faulty front screen everything workes except thebottom half of the screen works sometime and not others and the ringer volume not working and also has a sticky on/off button probably a very easy fix for some one i have up graded so it just sat in a draw it is unlocked to any network but i had it on o2 100.00 ono Samsung Galaxy S I9000 for sale. Phone in good condition, locked to 3 mobile. Dont have the box but have the phone, rubber back and charger. Samsung Galaxy S2 in White Screen protector on so screen is unscrached Lovly condition but silver edge at top is a bit chipped so has some f the black under the silver exposed. Runing Andriod 4.0.3 ICS Have box and charger and all cables Cash and colletion only I have a blackberry torch which keeps messing up, it has stratchs, the screen keeps going black and the speaker keeps messing up. Needs to be sold ASAP If you can fix this phone your more than welcome to have it for 80 selling my samsung galaxy s2 in black 16gb with box and every thing only 1month use got screen protecter from day 1 n always been in cover so no mark on the fone at all u can see in the picz. its runing on ics n evryfin with it is new charger headfones nt been use got extra battery with it with cost 10 pound itself n cover aswell. u gona get what you see in picture thank you