It doesn't need anything extraordinary.

Stop selling the mac mini, the mac pro, any mac without 100% SSD, the Macbook Air, the 2015 rMBP models.

Also, stop selling every single iPad mini and older iPad and iPad Air.

Stop selling the 2016 base rMBP 13".

Put gen2 keyboard on the macbook, and cut the price to 999 for the base (256GB, 8GB, m3) version.

Put the touchbar 13" starting at 1299

put the touchbar 15" starting at 1999

true tone displays. Heck, maybe gen3 keyboard (if there's improvements on all laptops). New battery design, similar to the macbook, on the macbook pros.

True tone display on the iMac. Better sound on the iMac and space gray option.

Accessories: Keyboards with touch ID. Stop selling outdated accessories.

Upgrade everything to kaby lake (if the correct models are available).

Then focus on software. Nuke iTunes and Apple music. Create an app for offline music libraries. Use the now excess funds on the core OS and core apps. No one needs a native streaming service. it adds 0.