If you own an iPhone X or iPhone 8 and need to perform a hard reset, follow these steps: 1. Press and quickly release the volume up button. 2. Press and quickly release the volume down button. 3. Press and hold the side button until the Apple logo appears. By following these steps, you can perform a hard reset on your iPhone X or iPhone 8 and potentially resolve any software issues you may be experiencing. Remember to back up your iPhone before performing any reset to avoid data loss.