Check this video, to understand the bug:
For some reason, when you look straight down while flying the controller starting to get weird
Sometimes, the player controller does the opposite direction of what direction wanted the player to go
or sometimes the directions of the player controller gone randomly while the controller's texture was fine.
Linked issues
Comments 2
Thank you for your report!
We're already tracking this issue at MCPE-50256 (a newer ticket), so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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I am also having this issue when looking down controls are opposite I play in a realm by myself on an iPad when u look up and look down again it goes back to being correct but then a little bit later it happens again