Xfinity may provide all HBO programming (I don’t know that for sure) but not image quality. Xfinity provides 720p, HBO Go provides 1080i. So I watch HBO through my phone connected directly to my TV. Soon I’ll cancel Xfinity TV.
Hey there, mlf1. You can change your video display settings through the X1 Box. Click on Xfinity > Settings > Device Settings > Video Display. It should automatically be set to 1080i. Let me know if that's what you're seeing on your end.
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