A:AnswerYou may want to swap the Roku from one TV to another if you have not already to see if it follows the device or the coverage of your WIFI. I also noticed differences in performance between standard and 5G so you may try connecting on each to test performance as well. Is this a standard streaming app or your local providers channels? Or is it all streaming apps have the buffering issue?
A:Answer2-3/4 inches wide (side to side)
1-1/2 inches deep (front to back, "length"; this does not include the lengths of the power cord or HDMI cable, or USB cable if used)
3/4 inches tall (top to bottom)
A:AnswerHi ! The Apple TV channel is currently available on Roku. Please note that Apple TV is a subscription based channel. Roku does not require an activation fee, registration fee, or charge for support of any kind.