Hello @Spright511, thanks for reaching out to our Forums! I'm sorry to hear about this login issue you're experiencing. Just to confirm, are you only unable to log into the app? Are you able to successfully log into the Xfinity.com/myaccount website?
Let me check into your account, Spright511. I want to make sure I fix this for you. You reached the right place for help. Can you please private message me your full name? Thank you for posting to our forums.
To send a private message, please click my name "ComcastMartin" then select "Send a Message" on the right side.
I am glad I was able to resolve that issue for you! The username did not properly transfer onto the account. If you have any other questions, please feel free to reach out. Thank you for posting on our forums and for being a great part of Comcast!