I’d really I like to know how they store data from a wide variety of sources for 15 years. Mobile device file systems, etc, have changed a lot during that time

I’d really I like to know how they store data from a wide variety of sources for 15 years. Mobile device file systems, etc, have changed a lot during that time. 15 years ago Blackberries were the big mobile thing. Can you easily store data from a 2007 Blackberry on the same disk as an iPhone 14?