4 articles

For one full week, I kept both the Z Flip 8 and Razr 70 Ultra folded — messaging, maps, notifications, all on the cover screen only. One phone let me do this naturally. The other kept sending me back to Good Lock and MultiStar just to run a basic app. Here's exactly where the gap shows up.

Both phones promise "all-day battery." Only one actually delivered it. After 7 days of real testing — no charger, no cheating — the gap between the Z Flip 8 and Razr 70 Ultra wasn't close. Here's exactly where one of them let me down, and why the numbers on the spec sheet don't tell the whole story.

Get the ultimate guide to the Samsung Galaxy Z Fold 8 Wide! Explore leaked specs, price, July 22 release date, and how it compares to the Z Fold 8 Ultra. Discover if this tablet-like foldable is for you.

Unsure which foldable phone to buy in 2026? Our expert guide reviews the top book-style and clamshell models, including the Z Fold 7, Pixel 10 Pro Fold, and Razr Ultra. Find your perfect foldable.