You can lock the bootloader again with GrapheneOS and many banking apps work.
You won't pass Google Play hardware attestation that way, and you won't find a bank in Europe or the UK that doesn't require that to log on to their website within five years.
alt Hacker News
You won't pass Google Play hardware attestation that way, and you won't find a bank in Europe or the UK that doesn't require that to log on to their website within five years.