It appears you might be utilizing an incorrect Apple ID on your device, which could be why you're experiencing issues with accessing your Keychain data. To resolve this, I recommend signing out and then signing back in using the appropriate Apple ID that stores all your Keychain information. This way, you'll ensure seamless access to your saved data and settings across your devices.
Here's a step-by-step guide to try and resolve some of the problems:
- Check iCloud Keychain:
- Ensure that iCloud Keychain is enabled on your old iPhone XS. This should sync your passwords across devices.
- On your new iPhone 13, go to Settings > [your name] > iCloud > Keychain and ensure it's turned on.
- Manual Login for Apps:
- For apps that haven't logged in automatically, you might need to log in manually using your credentials.
- Open each app that requires login, use the "Forgot Password" option if needed, and reset your password.
- Restore from Backup:
- If the automated migration didn’t work, try restoring your new iPhone 13 from the backup of your iPhone XS again using your iMac.
- Connect your new iPhone 13 to your iMac, open iTunes/Finder, select your device, and choose "Restore Backup."
- Re-download Apps: If some apps are still not functioning, try deleting and re-downloading them from the App Store. This can sometimes refresh the app's settings.
- Patience and Persistence:
- Migrating data and settings to a new device can take time and sometimes requires multiple attempts.
- Stay patient and persistent in trying these steps and reaching out for support when necessary.
Remember, securing access to your accounts and data is crucial, so take your time and ensure everything is set up correctly before proceeding. If necessary, reach out to the support teams of specific apps or services for further assistance with login issues.
If none of the above steps resolve the issue, it is recommended to reach out to Apple Support or visit an authorized service center for further assistance. They can provide specific guidance based on your device model and iOS version.