I just got the modem for my new Xfinity internet today, I followed all instructions for set up and it's just been blinking YELLOW for the past few hours, I've tried everything,
Xfinity Internet and WiFi connection troubleshooting - Xfinity Support
Comcast announces new Wi-Fi 6E gateway - CNET
🥝 Xfinity XFi Gateway Modem Plus Router *NO ADAPTER - TG02DCW4482CT AS IS - B2 | eBay