Hello, mimi949!
Thanks for posting. I'm sorry to hear you're having issues with your grandfathered data plan. We would be happy to investigate further, so please click here to send us a private message.
In your message, please provide your name, phone number, email address, and the best time to reach you. You can expect a reply within two business days, so keep an eye on the little blue envelope icon in the top right corner of your screen.
In the meantime, feel free to message me with any other questions or concerns.
-Mariana