A hard reset for iPhone X is also called a force restart. Here’s how to do it:

1. Quickly press and release the volume up button.
2. Quickly press and release the volume down button.
3. Then, press and hold the side button (the button on the right side) until you see the Apple logo appear on the screen.
4. Once the Apple logo shows up, let go of the side button.

Your iPhone X will restart like normal. This should fix minor software issues. If your iPhone X has major problems, you might need to connect it to a computer for a full reset. In addition to performing a hard reset, there are several other troubleshooting steps you can take to address common issues with your iPhone X:

1. Check for Updates: Ensure that your iPhone X is running the latest version of iOS. Go to Settings > General > Software Update to check for and install any available updates.
2. Close Unresponsive Apps: If an app becomes unresponsive or freezes, you can force quit it by swiping up from the bottom of the screen and pausing in the middle of the screen until you see the app cards. Then, swipe up on the app card to close it.
3. Clear Storage Space: If your iPhone X is running low on storage space, it may slow down or experience other performance issues. Go to Settings > General > iPhone Storage to see which apps or files are taking up the most space and delete or offload any unnecessary items.
4. Reset All Settings: If you’re experiencing persistent issues with your iPhone X, you can try resetting all settings to their default values. Go to Settings > General > Reset > Reset All Settings. Keep in mind that this will erase your preferences for things like Wi-Fi networks, wallpaper, and accessibility settings, but it won’t delete any data from your device.
5. Restore from Backup: If none of the above steps resolve your issue, you can try restoring your iPhone X from a backup. Connect your iPhone X to a computer with iTunes or Finder, select your device, and choose the option to restore from a backup. Make sure you select a backup that predates the onset of the problem you’re experiencing.
6. Contact Apple Support: If you’re still experiencing problems with your iPhone X after trying the above steps, it may be a hardware issue or a more complex software issue that requires assistance from Apple. You can contact Apple Support either online or by visiting an Apple Store or authorized service provider for further assistance.

By following these troubleshooting steps, you can address many common issues with your iPhone X and keep it running smoothly. However, if you continue to experience problems, don’t hesitate to reach out to Apple for help.