If you really want an iPhone or Android alternative you can buy a license (they sell an Sailfish OS for Xperia X or XA2 (you have to bring/buy the device by yourself)) also from non-supported countries:

- https://together.jolla.com/question/187365/shop-sorry-not-av...

- https://together.jolla.com/question/169734/sailfishx-not-ava...

If this is too complicated you likely wouldn't be happy with Sailfish anyway as there are quite some drawbacks (and also of course highlights).