What banking business? Use a web browser, or just bank in person like everyone did not long ago. Carry a credit card instead of Apple/Google Pay. That's what degoogled Android users do and it's a very minor inconvenience anyone with a little bit of maturity should be able to accept. Also, cash is much better for your privacy.

You can bank without Apple iOS/macOS or Google Android/Chrome.

You can also vote with your wallet regarding banking. Put your deposits in another bank.

When one party has a trillion votes and you have like 1000 or so, that is not voting. That is just exiling yourself.

Edit: exiling not exhaling

Select your bank(s) accordingly.

Use a laptop

Why should your bank trust you?

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