My phone update failed

zakk272 Said:

"My phone update failed: How to update my iPhone 7"

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Update Using a Computer:

Use my User Tip:  Update your iPhone Using a Computer - User Tip

Back Up First:

IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update.

Check these links...

If your iPhone, iPad or iPod touch won’t update - Apple Support

Updating iOS: common issues and solutions - Apple Community