There have been advancements made to 4K equipment and tech over the last 3 years, so we would be glad to check your current equipment and see if there is the option or need to upgrade the box. Please review the 4K compatibilty guidelines and information here and if you meet all of them, then please send a message to me (ComcastGina) with your name and the service address so I can take a closer look.
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Same issue here. 5 support calls, support agents and they all ran away from me. Either hang up the call or send me back to the queue. Simple port forwarding option got messed-up by xfinity engineers. It used to work perfectly OK until bosses decided to bring it to web portal inside the customer account. It’s a cache issue on xfinity server. If you end up changing your device IP the port forwarding option holds the older IP in memory and keep forwarding your port to older IP even though correct (new) IP is showing in connected devices for the device. No solution so far on this. Workaround is ditch xfinity modem. Bring your own modem and forward ports all day long. 2nd option is to not to change your device IP or set it up where port forwarding is point it to. Ditching xfinity modem has other consequences. Xfinity is coming up with wireless cable box. This cable box work with xfinity modem only. Such a big company eating grass!
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