I need to free up my iPhone storage

Manage space with recommendations

In iOS 11 and later, and iPadOS, you can get tips for how to save space and how to offload or delete apps and content that you don't need. You can download your purchased apps or other content again later.

1. Go to Settings > General > [device] Storage.
2. Scroll to the Recommendations section to see tips.
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Done

Did doing the recommendations free up any space?