It is always recommended that you change your Wi-Fi name and password when you receive a new one, and there might be some other situations when you might need to do so, and we got you covered!
The first step would be to identify which modem you have. This handy post will teach you how to do so if you don’t already know!
You can find below two sets of instructions for each modem type separately so that you can follow them according to your own model!