iphone xs update

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An older iPhone update screen beside a newer iPhone 17e product image for a guide about whether to install iOS 18.7.7 or upgrade from an iPhone XR or XS.

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Mar 25, 2026 · Consumer Tech

iOS 18.7.7: Install Now or Upgrade Your iPhone XR or XS?

iOS 18.7.7 is Apple's March 24, 2026 update for iPhone XR and XS. Install it if the phone still works, but upgrade if battery, storage, or lag are daily issues.