That's a know issue that affects phones with Mali G57 GPUs, especially with fancy graphics ON. The only way to fix it is by downgrading to 1.20.0. I’ve already reported it to Minecraft support, but I’m not sure if they’ll do anything about it
I know it may seem random but try going into your system settings and see if Minecraft is consuming too much RAM, and if the bug happens in the version 1.20.1, it seems like the newer versions are laggy\buggy on Android 14
https://bugs.mojang.com/browse/MCPE/issues/MCPE-175112