How do I Reset my iPhone to factory settings?
To reset your iPhone via iTunes: Connect the iPhone to the computer either via USB cable or Wi-Fi. Open iTunes and click, at the top left, the device button. Click Summary.
What happens when you factory restore an iPhone?
A factory restore erases the information and settings on your iPhone, iPad, or iPod and installs the latest version of iOS or iPod software. Make sure that you have the latest version of iTunes on your Mac or PC. If you can't access a computer and your device still works, you can erase and restore your device without a computer.
How to factory reset iPhone without passcode or iTunes?
There are two methods that you can use to factory reset your iPhone without the passcode or iTunes: If you are one of those who want to factory reset the iPhone via iTunes and do not have a computer, then iCloud is the route to take. You can use your friend's iPhone or iPad to access iCloud to erase your data.
Does using iTunes to reset your iPhone erase your data?
Using iTunes to reset your iPhone will not erase your data. It will only restore the iPhone to its previous state. To reset your iPhone via iTunes: Connect the iPhone to the computer either via USB cable or Wi-Fi. Open iTunes and click, at the top left, the device button.