Right now, Apple is in the middle of fine-tuning iOS 26, one of the most significant software overhauls the company has made for its phones in years. And as usual, Apple is offering a way to take that still-in-progress software update for a spin right now.

All you need is an iPhone 11 or newer, and a high tolerance for funky behavior.

There’s no guarantee, after all, that the apps you rely on will work correctly, or that you won’t run into a bit of overheating or faster-than-normal battery drain.

Prefer to play it safe? No problem — we’ve been living with this software for weeks on your behalf. Some (or all) of this is subject to change, but here’s your early guide to four big changes you’ll either have to get used to or may want to embrace from day one.