Try clearing cache in recovery
Ask here, https://forums.oneplus.com/feedback/
What is GMS apps?
Suggestions goes here
Give more details
You can report here ; https://forums.oneplus.com/feedback/
It's all automatic.
Requesting quick reply in landscape support for Hike Messenger.
From your quick settings
Wait for few days, you will get it for sure.
Ask here ; https://forums.oneplus.com/feedback/
Wait for few days.
Touch-dead area on my OnePlus 6. The Same has had happened to my OnePlus 3T before.
What about Digital Wellbeing?
Try Google search
Watch and read pinned threads