And that’s why you need to figure out what’s the right balance of work and inconvenience vs. the amount of privacy you get in return. Setting up a degoogled android is possible and relatively easy too. Living with that phone and interacting with the real world around you in 2024 is a completely different matter, and it’s entirely understandable if that isn’t your cup of tea.
Never had CPU compatibility issues, but I’ve had similar frustrations with power supplies. Some of the strangest glitches I’ve seen were eventually traced back to a cheap PSU. If you hadn’t already found the root cause, I would have recommended swapping the PSU just to make sure.