Several people have reported issues with a very slow home button response on iPhone 4.
Turn off ‘Triple-click Home’ (this feature is off by default) > Settings > General > Accessibility > Triple-click Home.
If does not work
Reset your device by pressing and holding the Sleep/Wake button and the Home button at the same time for at least 10 seconds until you see the Apple logo.
Obsessed with tech since the early arrival of A/UX on Apple, Sudz (SK) is responsible for the editorial direction of AppleToolBox. He is based out of Los Angeles, CA.
Sudz specializes in covering all things macOS, having reviewed dozens of OS X and macOS developments over the years.
In a former life, Sudz worked helping Fortune 100 companies with their technology and business transformation aspirations.