How to Restore & Reset iPhone to Factory Settings

Just some helpful tips for iPhone users like me

Open iTunes & Connect your iPhone to your Mac/PC.
Press & Hold Sleep/Wake Button & Home Button at the same time
Release Sleep/Wake Button as soon as the iPhone screen goes blank.
Continue pressing the Home Button until iTunes prompt you that it has detected an iPhone in recovery mode.
in iTunes, click Restore
Click Restore & Update
iTunes will now restore & update your iPhone
iTunes will let you know once it’s done, just click OK.
you’re done