My HiSense has had internet issues since the update in November also.
3 different routers, using wifi and directly connected via ethernet... it will lose connection. Everything points to Roku
No changes to my internet connection with Charter Spectrum.
Roku tv 7215X
Version 9.2.0 build 4502-39
@rmahlert Thanks for the note. Have you tried the suggestions outlined here to help resolve connection issues? https://support.roku.com/article/213122277-tips-for-improving-the-wireless-connection-to-your-roku-s...
Namely, I'd recommend changing the wireless broadcast channel that your network is using to see if this helps improve your connection quality. This can help reduce wireless interference in some cases that may impact your connection quality.
If you need further assistance, we'd recommend reaching out to your Roku TV manufacturer to report the behavior and request more support. You can locate their contact information here: https://community.roku.com/t5/Manufacturer-Support-Warranty-Resources/Contacting-Support-for-Your-Ro...