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How to Clear Cache on Your Phone and Improve Performance

Learn why clearing cached data can boost your phone’s responsiveness, how it works, and step‑by‑step instructions for Android and iOS without losing personal data.
30 January 2026 by
TechStora Editorial Board

Why Clearing Cache Matters

Over time, cached data can accumulate, become corrupted, or simply get outdated, which may slow down your device. A targeted cache clear removes these temporary files, freeing up storage and eliminating glitches without affecting your personal settings or login credentials.

What Is Cached Data?

Cache stores temporary files—such as images, scripts, and other resources—to speed up apps and websites. It does not include your accounts, settings, or app data.

Benefits of Regular Cache Clearing

  • Improves app responsiveness and reduces lag.
  • Frees up storage space.
  • Eliminates corrupted or outdated files that can cause crashes.
  • Does not affect passwords or personal configurations.

When to Clear Your Cache

Perform a cache clear whenever you notice slowdowns, app glitches, or after a major OS update. For most users, doing it every three to six months is sufficient.

How to Clear Cache on Android

  • Open Settings > Storage > Cached data.
  • Tap Clear cached data and confirm.
  • Alternatively, go to Settings > Apps, select an app, and choose Clear cache.

How to Clear Cache on iOS (Safari)

  • Open Settings > Safari.
  • Tap Clear History and Website Data. This removes cached images, files, and cookies.

What Clearing Cache Does Not Do

It does not log you out of apps (unless you clear cookies and site data), nor does it delete saved passwords, contacts, or app configurations.

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