But that's what I mean. In 3-4 years I don't want to upgrade my phone, but if I need to replace some broken parts, it would be nice to be able to upgrade them.

But that's what I mean. In 3-4 years I don't want to upgrade my phone, but if I need to replace some broken parts, it would be nice to be able to upgrade them. I replaced my FP3 cameras at the time with the better ones in that exact scenario.