Last Updated on
Last Updated on
iOS 15, iOS 15.0.1, iOS 15.1, and Public Beta 2 range from around 800MB to 3GB in size, so it’s important you have a solid internet connection. The first port of call would be to double-check your router, try restarting your router, and trying to update again. If all other WiFi devices are working ok, let’s try something else:
Turning Airplane mode off and on again in Settings refreshed your connection with your network provider. It doesn’t sound like much, but this can really fix the verification issue sometimes.
Turning your iPhone off and on again could really fix this issue. Restarting dumps all temporary files and gives your iPhone a fresh start.
Let’s assume there’s an issue with verification on a network level, this could be due to an error on the network’s side or the update verification process is clashing with your current settings. Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings to set all network setting back to default. Once this has been completed, try to update again.
If you’re struggling to update over-the-air on your iPhone, plugging into a PC/Mac and updating via iTunes or Finder would be the next step. With verification and updates going ahead via a wired connection, this eliminates any network or wireless interference.
Apple insists on taking care of its products themselves. Regardless of in you are in warranty or not, book an appointment and head to your local genius bar the Apple store so they can run some diagnostics.
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