I hope you're doing well.
Please be advised that each Roku TV manufacturer provides direct support and warranty services for their products running the Roku OS. Since your affected device is a TCL Roku TV, we suggest reaching out to their support team to report the issue and for further help.
You can contact them here: https://support.tcl.com/us or at 1-877-300-8837.
All the best,
Roku Forum Moderator