Fuck Google for doing this, and Play Integrity making me unable to use banks is even worse.
FWIW you can buy a Pixel (new or 2nd hand) and install GrapheneOS via the Web https://grapheneos.org/install/web with nothing (genuinely nothing) installed on your computer and get it working in ~15min (depending on your connection to download the ROM) out of which maybe ~2min will be your interacting with the setup process.
I initially bought an /e/OS precisely with your requirement, namely I "just" want a phone that works when I receive it, no tinkering, but having installed GrapheneOS myself few days (or weeks?) ago I can tell you, it's really straightforward.
Not 100% accurate. You need a browser that supports WebUSB[0] which are just Chromium based ones, not Safari or Firefox.
[0]https://developer.mozilla.org/en-US/docs/Web/API/WebUSB_API
Also GrapheneOS has in my experience decent banking app support outside of a handful of apps (including, ironically, my main bank which disabled GrapheneOS support a week or two ago). There is a maintained list of working apps that you can see for yourself: https://privsec.dev/posts/android/banking-applications-compa...
Which bank, specifically, requires an app for the purpose of 2FA? Further, what is the 2FA process for logging in to the app itself - wouldn't you need a second form of authentication that's not the app in that instance? If so, is that form of 2FA not allowed when logging in via desktop/laptop?
I inquire because I use multiple different banks, CC providers and financial services, but have never once been required to use an app, even with "mobile" banks like Simple or One.
GrapheneOS has full support for Play Integrity[0].
[0]: https://grapheneos.org/articles/attestation-compatibility-gu...
My European banking and credit card apps work fine on GrapheneOS because they don't require the strong integrity level.
Google is using Play Integrity at the strong level to shut down competition. It's kinda ironic, since GrapheneOS is much more secure than the many phones out there with abysmal device security and slow updates that Google does accept with strong integrity.
The intent of the comment stands though.
I meant to point out that GrapheneOS has perfectly good support for verifying device integrity via Hardware Attestation, just not the method which requires Google to acknowledge the OS signing keys.
Etc
https://privsec.dev/posts/android/banking-applications-compa...
The only thing I have really found missing is Google Pay support for contactless payment (because Google doesn't want to allow GrapheneOS, but there are alternatives like Curve).