Connect to the modem with an ethernet cable or over the Wi-Fi network.  You don't need internet access because you are only going to be logging into the modem. You can use a cell phone, but it is more difficult because you will have to scroll around the screen more. 

Open a web browser. Clear the URL (the address in the bar at the top of the screen) & type in 192.168.1.1 then press 'Enter'

(This will not work if you are in the search bar and not in the top address bar)

User name – admin       Password is  – admin    or    ADMIN#1

Press   ‘Enter’ on your keyboard

     (If your modem needs an update,

       Follow the steps for the update and click ‘Next’

       It will ask if you want to modify your WiFi password, you don't

       It will ask for your current password which is admin

       It will ask you to type in a new password twice

       Type ADMIN#1 as the new password in box boxes)

Click ‘Settings’ on the top navigation bar

Click ‘Dial-up’ on the left side of the screen

Click ‘Profile Management’

Click ‘New Profile’

In the box that says Profile name, type ‘tmos’

In the box that says APN, type 'b2b.static'          Click ‘Save’

Power cycle your modem