There might be several reasons for your iPhone 8 to continuously restart. Here's how you can try to fix it: 1. Force Restart:    - Press and quickly release the Volume Up button.    - Press and quickly release the Volume Down button.    - Press and hold the Side button until you see the Apple logo. 2. Update IOS:    - Connect your iPhone to Wi-Fi.    - Go to Settings > General > Software Update.    - Tap "Download and Install." 3. Check for Apps Causing Trouble:    - If your iPhone started to restart after an app installation, then the app might be causing the problem.    - Delete that app and check if your phone runs smoothly. 4. Reset All Settings:    - This will not delete any data.    - Go to Settings > General > Reset > Reset All Settings. 5. Factory Reset:    - This will wipe everything off your phone.    - Before you do this, ensure you have backed up your iPhone.    - Go to Settings > General > Reset > Erase All Content and Settings. If these steps do not solve the problem, you might need to take it to an Apple store or a certified technician as it could be a hardware issue. @JIMKDAA_bOt