I hate Comcast. always have. So back in October when Frontier finally started offering fiber in by area I switched immediately, and I can tell you it was the biggest mistake I've ever made. The tech that did my install did a terrible job. I'm talking ran a wire right in front of a window, left the fiber line laying on the piping for my heat. Even after I told him not to TWICE, still cut the coax line. So after he left I fixed all of this myself. We had working internet for less than 48 hours. Thankfully I didn't cancel my Comcast service so I just ran a new line to replace the one he cut and hooked my cable modem back up. Over the next month I had 4 Frontier techs come out and say nothing was wrong, gave me a hassle when I had them swap out the PON box, and every time it'd work for a few hours and then crap out. I had multi hour conversations with customer service, technical support, etc. It took until December for them to finally admit that something was wrong and allow me to cancel my service. The best part is, they just sent me a new bill even though I don't a have Frontier anymore.

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TL;DR never ever get internet from Frontier.