When you buy your own WIFI modem, the manufacturer (e.g. Netgear, Arris, etc.) provides any troubleshooting Customer Service you may require for the device. Our call center experience with the major manufacturers is a fantastic one. To activate your own WIFI modem on your ISP network, you will need to contact customer service and add the MAC ID address located on your WIFI modem (sticker).
WIFI MESH SYSTEMS
For customers that have the spacial need (dead spots), ISP's also provide WIFI mesh systems (superior to "extenders" and "boosters") with app-based smart controls. As with WIFI modems and to eliminate this annual rental fee, you can also purchase your own WIFI mesh system. Here are researched WIFI mesh options for your consideration: C|NET BEST OF 2023, PC MAGAZINE BEST OF 2023