How to update iPhone 7 to iOS 15.5?

If your iPhone is too old, it would not be compatible with the newer software updates.

The correct procedure:

• Software Update.
• If your iPhone won't update.

Need more help?

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Chat using Messages. 💬

mustabshira Said:

"IOS 15.5: How to download a new version"

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Downloading and Updating and iPhone:

Looking to install the update after the download? If so, use my user tip: Update your iPhone Using a Computer - User Tip

How to check the storage on your iPhone, iPad, and iPod touch

Follow the previous suggestions and make sure there is Enough Empty Space on the iPhone to allow the update to Download, then Expand and then Install.

Thanks for the screenshot.

Fix "No Service":

"No Service" is shown on the top-left corner of your screen. So, go here to fix that: If you See No Service or Searching on your iPhone or iPad - Apple Support