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💻Tech Support· 6 min read · March 26, 2026

How to Speed Up a Slow iPhone (10 Fixes That Work)

Your iPhone getting slower over time is normal. These 10 fixes make it fast again without buying a new one.

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Written by Alex Chen
Senior IT Specialist · 10 years experience
HelpByExperts guide to speeding up a slow iPhone
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In this article
1. Quick Fixes (Try These First)2. Free Up Storage3. Reduce Visual Effects4. Battery and Performance

Quick Fixes (Try These First)

Restart your iPhone by holding the side button and volume button until the slider appears. Close all apps by swiping up from the bottom and swiping each app away. Turn off Background App Refresh in Settings then General. Clear Safari cache in Settings then Safari then Clear History and Website Data.

Free Up Storage

Go to Settings then General then iPhone Storage to see what is taking space. Delete apps you have not used in months. Offload unused apps which keeps data but removes the app. Review and delete old photos and videos or move them to iCloud. Delete old text message threads with lots of photos.

Reduce Visual Effects

Go to Settings then Accessibility then Motion then enable Reduce Motion. This turns off the parallax effect and app animations that slow older iPhones. Also disable Transparency Effects for a small speed boost.

Battery and Performance

Check battery health in Settings then Battery then Battery Health. If maximum capacity is below 80%, the phone is throttling performance to prevent shutdowns. A battery replacement costs $69 to 99 at Apple and makes old iPhones feel like new.

Pro Tips

Keep at least 5GB of free storage for smooth performance
Update to the latest iOS version for performance improvements
Factory reset as a last resort will make any iPhone feel new again (back up first)
Avoid using live wallpapers and widgets you do not need

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