For you to send us a private message, you just have select the name of the agent and on the right side there is an option for you to send the private message.
Hello, jeremynsteph. Thank you so much for reaching out to us. We are sorry for the inconvenience. Allow us to take a look into this matter. Please send us a private message for further assistance.
Hello @Oly522. You can reprogram your device by dialing ##72786# if you have an Android, or ##25327# if you have an iPhone, so your device may be programmed with the new number. This should fix the error that says that your account could not be validated.