Awhile back, I 1st took my router back. Yapping he knew I made the right choice. Got home, it didn't work. No worries, I called agents on Comcast & ask to bring 2-3 modems the next day. When the guy came and delivered, changed it. He noticed my modem that I picked up belonged to a different district. He connected the 1st modem and yes, it worked great. You live and learn. Right! I will never ever exchange modems to the office. Good Luck!
Yes
Not sure. Take it in & find out.
Yes you can as long as its a xfinity router
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