I'm sorry to hear that you're experiencing syncing issues with your iPhone 13. Let's try some troubleshooting steps to resolve the problem.
—————
Restart your iPhone: Begin by restarting your iPhone. Press and hold the power button (located on the side or top of the device) until you see the power off slider. Drag the slider to turn off your iPhone. Once it's off, press and hold the power button again until the Apple logo appears, indicating that your iPhone is restarting.
———
Check your internet connection: Ensure that your iPhone is connected to a stable internet connection, either through Wi-Fi or cellular data. If you're using Wi-Fi, try connecting to a different network to see if the issue persists.
———
Update your iOS: Make sure your iPhone is running the latest version of iOS. Go to Settings > General > Software Update and check for any available updates. If there is an update, download and install it.
———
Sign out and sign in to iCloud: Sign out of your iCloud account on your iPhone and then sign back in. To do this, go to Settings > [your name] > Sign Out. After signing out, restart your iPhone, then go back to Settings > [your name] and sign in again.
———
Check iCloud settings: Verify that your iCloud settings are correctly configured for syncing photos. Go to Settings > [your name] > iCloud > Photos and ensure that "iCloud Photos" is enabled. Additionally, check if "Optimize iPhone Storage" or "Download and Keep Originals" is selected based on your preference.
———
Reset network settings: Resetting your network settings can help resolve connectivity issues. Go to Settings > General > Reset > Reset Network Settings. Note that this will remove saved Wi-Fi passwords and other network-related settings.
———
Contact Apple Support: If the issue persists after trying the above steps, it's recommended to reach out to Apple Support for further assistance. They can provide more specific troubleshooting steps or help diagnose any underlying issues.
—————
Hope this helps,
CXDeaks