How to Reset Your iPhone Without a Computer

Forcing an iPhone to Factory Reset

To force reset your iPhone, start by pressing and quickly releasing the Volume Up button. Then, press and quickly release the Volume Down button. Finally, press and hold the Side button until the Apple logo appears on the screen. When you see this, you can release the Side button and your iPhone will factory reset.

Source: cnn.com

Factory Resetting a Locked iPhone Without a Computer

Yes, it is possible to factory reset a locked iPhone without a computer. To do this, you will need to use the Hard Reset feature. Depending on your iPhone model, the steps may vary slightly.
For iPhones 8 and newer (including iPhone X models), press and hold the Volume Up button, then the Volume Down button, and the side button at the same time. For all other iPhone models (7 and older) press and hold the Volume Down button and Home button at the same time. You should continue holding these buttons until you see an Apple logo apear on your screen. Once you see this logo, release all buttons and your phone should begin to reset itself. After a few minutes, your phone should be completely reset back to its factory settings without needing access to a computer.

Resetting an iPhone to Factory Settings Without iTunes or a Computer

To reset your iPhone to factory settings without the need of iTunes or a computer, simply follow these steps:
1. Turn on your iPhone and open the Settings app.
2. Navigate to General > Transfer or Reset iPhone.
3. Select the ‘Erase All Content and Settings’ option.
4. The device will ask you to confirm your choice, select ‘Erase Now’ to proceed with the reset process.
5. After the reset process is complete, you can enter a new passcode for your device and configure it as a new phone or restore it from an iCloud backup if available.

Factory Resetting a Locked iPhone

Yes, you can factory reset a locked iPhone. To do this, you need to put your iPhone into recovery mode. To do this, you’ll need to connect your iPhone to a computer and open iTunes. Once the connection is established, force restart your iPhone by pressing and holding both the Home button and the Sleep/Wake button at the same time for about 10 seconds until you see the recovery mode screen. Once in recovery mode, follow the on-screen instructions to erase all data from your device and then restore your data and settings from a backup.

Factory Resetting an iPhone Without an Apple ID Password or Passcode

If you need to factory reset your iPhone without an Apple ID password or passcode, the best way to do this is to put your iPhone into Recovery Mode. To do this, press and hold the ‘Home’ button and ‘Wake/Sleep’ buttons simultaneously util the ‘Recovery Mode’ screen appears. Depending on the version of iPhone you are using, you may need to press and hold the ‘Volume Down’ and ‘Wake/Sleep’ buttons instead. Once in Recovery Mode, select ‘Erase All Content and Settings’. This will completely reset your device to its original factory settings.