How to Restore iPhone without iTunes
STEP 1. First you have to press the “Home” button on your iPhone.
STEP 2. Now simply tap on the “Settings” icon on the main screen.
STEP 3. Now tap on “General” tab, and then tap on “Reset” tab.
STEP 4. To restore your iPhone to its default settings, simply tap on “Reset All Settings”. To restore your iPhone to its original factory settings, simply tap on “Erase All Content and Settings”, It will erase music, contacts, SMS messages, and bookmarks from your iPhone.
STEP 5. To confirm the action, simply tap on “Erase iPhone”.
That’s it. In this way you can restore your iPhone without iTunes. If you found any difficulty in following the above steps then feel free to ask in the comment section below.