No connection in master bedroom

The concern is not "Xfinity App" help related. Topic moved here to the proper help section for assistance. 

Some tips for improving WiFi performance;

http://corporate.comcast.com/comcast-voices/10-ways-you-might-be-killing-your-home-wi-fi-signal 

https://forums.xfinity.com/conversations/internet/answered-how-to-improve-your-xfinity-wifi/602da486c5375f08cd804f16 

https://www.xfinity.com/support/articles/internet-connectivity-troubleshooting?linkId=180985598 

There are other options. Google for WiFi repeaters / range extenders, WiFi mesh systems / pods, powerline ethernet adapters, MoCA adapters. Good luck !

Hey there @user_a22876 have you had a chance to follow any of the steps our great Expert  @EG provided?