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iPhone iOS update will not download or verify

Check device compatibility, available space, Wi-Fi access and update verification before trying a computer update.

What can cause this?

These are possibilities, not a diagnosis for every model. Review your exact device manual.

  • Settings, software or network conditions may vary by model
  • Hardware issues are possible if safe checks do not help

Safe steps to try

  1. 01

    Step 1

    Check that the iPhone model supports the target iOS version.

  2. 02

    Step 2

    Review available space in Settings > General > iPhone Storage.

  3. 03

    Step 3

    Use a stable Wi-Fi network and sufficient battery or external power.

  4. 04

    Step 4

    Back up important data before considering a computer-based update.

  5. 05

    Step 5

    If verification still fails, record the exact warning and contact Apple.

When should you contact support?

If the problem persists, a part appears damaged, or a device gets dangerously hot, stop unsafe use and contact the manufacturer. Keep backups where appropriate. Never disassemble electrical equipment or batteries yourself.

Original manufacturer source

We summarised the official source. Features and menu labels can vary by model and region.

Read manufacturer guidance ↗