There's already a better way to check whether an Android phone is secure enough and it is independent of any proprietary OS certification: basicIntegrity [1].

There's already a better way to check whether an Android phone is secure enough and it is independent of any proprietary OS certification: basicIntegrity [1]. Most banking apps in Germany use this API and thus work on GrapheneOS and other non-Google controlled ROMs with a locked bootloader. PlayIntegrity is unnecessary and mostly offers vendor lock in to Google's ecosystem. [1] https://grapheneos.org/usage#banking-apps https://grapheneos.org/usage#banking-apps