Can't transfer phone number or restore back up

If you're having trouble transferring your phone number or restoring a backup when upgrading to a new iPhone or during a software update, here are some steps you can take to troubleshoot the issue:

Transferring Phone Number:

1. Check Carrier Compatibility: Make sure that your new iPhone is compatible with your carrier and supports your SIM card. Contact your carrier if you're unsure.
2. Insert SIM Card Properly: Ensure that the SIM card is properly inserted into the new iPhone's SIM card slot. Follow the instructions in the iPhone's user manual for guidance.
3. Contact Your Carrier: If you're unable to transfer your phone number, contact your carrier's customer support. They can assist you in ensuring that the number transfer process is completed smoothly.

Restoring Backup:

1. Check iCloud Backup: If you're restoring from an iCloud backup, make sure you're using the correct Apple ID and that the backup is available. Go to "Settings" > "[Your Name]" > "iCloud" > "Manage Storage" > "Backups" to check if the backup exists.
2. Check iTunes/Finder Backup: If you're restoring from a computer backup using iTunes (or Finder on macOS Catalina and later), make sure you have a recent backup available on your computer.
3. Stable Internet Connection: Make sure your iPhone is connected to a stable Wi-Fi network with a good internet connection. A slow or unstable connection can cause backup restoration to fail.
4. Update iOS: Ensure that your new iPhone is running the latest version of iOS available. Sometimes, compatibility issues between different iOS versions can affect the restoration process.
5. Restart iPhone: Try restarting your iPhone and then attempting the restore process again. Sometimes, a simple restart can help resolve temporary glitches.
6. Restore in Recovery Mode: If the standard restore process is not working, you can try restoring your iPhone in Recovery Mode. Connect your iPhone to your computer, open iTunes (or Finder), and follow the prompts to restore the device.
7. Contact Apple Support: If you've tried the above steps and are still unable to restore your backup, contact Apple Support for further assistance. They can guide you through more advanced troubleshooting steps.

Remember that data loss is a possibility when restoring or updating devices, so it's crucial to have a recent backup before attempting any restoration or upgrade process. If you're unable to restore the backup, you might need to set up your iPhone as a new device and manually transfer your data and settings.

Does the new phone have a SIM connected to your number? If not, you'll need to get one from your carrier.