I'm not seeing reports of iOS 26 installs going sideways, but I still always take these steps before making a major upgrade.

If you find you don't like the new clear look after downloading iOS 26, you can change a couple Accessibility settings, ...

When you first open Software Update in Settings, you'll notice two different upgrade options: iOS 18.7 and iOS 26. Apple ...

Note that simultaneous releases of iOS 18 and iOS 26 versions won’t continue indefinitely. Apple usually runs the two ...

Increased battery drain is normal following a major OS update. Your phone needs time to complete the setup in the background. iOS 26 offers a new Adaptive Power mode to extend your battery charge.