[lern_too_spel]

The first part of your solution conflicts with the second. You cannot both require new hardware for an OS version and require OS updates for old hardware.

[pjmlp]

It works for the PC market, as incredible as it may sound.

Those minimum requirements aren't set in stone, and OEMs seem to comply with them, strangely.

[lern_too_spel]

> Those minimum requirements aren't set in stone

is in direct disagreement with

> Have made it compulsory on Android 7

which is my point.