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Zephyretta t1_j2dikou wrote on December 31, 2022 at 1:20 PM

Reply to comment by bigfootsocks in PSA: The proper way to delete or shrink iPhone System Data use on disk by Vertsix

This has come up so many times on this very subreddit. If you just search it, you’ll see a monthly thread where this is discussed and link to Apples white paper detailing how caching works.