"Invalid Serial Number" when setting up authenticator
Common Problems
- I got "Invalid Serial Number" error when trying to setup authenticator to my second account
- Receive "Invalid Serial Number" when setting up the authenticator information in account page
If you're having trouble completing the set up of a new Authenticator:
- Ensure you are not including the dashes in the serial number
- Close any apps running in the background
- Check your device's internet connection
- Make sure you have enough free space on your device
- Try removing and reattaching your Authenticator
- Uninstall the app, restart your phone, then reinstall the Authenticator
- Clear the Authenticator's Data and Cache from your device's app manager, restart the app, and try again
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