Most of the iphone are available with home button which is used to jump to main screen where ever you are in the menu or options. That is the reason this button is frequently used, it frequency to use sometimes makes it malfunction and needed to be repair or replaced. If your iphone 4 home button not responding according to your instruction hand it over to us and we will either repair or replace this button but for error free usage. Call us at 04 4211494 to trigger the moment of our collection team. We offer our services at competitive prices and quality assurance.