IT Services Circle

Jun 5, 2026 · Mobile Development

Why Changing Your iPhone’s Date Can Free 20 GB (And Why It’s a Bad Idea)

The article explains that setting an iPhone’s system date a year ahead while in airplane mode forces iOS to purge old cache files, temporarily freeing up to 20 GB of storage, but the space quickly returns and the trick can cause app crashes, message glitches, calendar errors, watch health data issues, and corrupted Screen Time data that may require a full restore.