How to Stop iPhone Overheating During Summer in North America

 iPhone overheating is a common issue during hot summer months, especially in the U.S. and Canada. Excessive heat can slow down performance, reduce battery life, or even temporarily disable your device. This OnePlus guide provides step-by-step tips to prevent your iPhone from overheating and keep it running smoothly.

Why iPhones Overheat

Common causes of overheating include:

  • Direct sunlight exposure or hot environments

  • Running intensive apps like gaming or video editing

  • High screen brightness

  • Background processes such as app updates or iCloud syncing

  • Faulty charging accessories or non-Apple cables

Step 1: Avoid Direct Sunlight

  • Keep your iPhone out of direct sunlight when outdoors.

  • Store it in a shaded area, bag, or case with ventilation.

  • Avoid leaving your phone inside a hot car, which can exceed safe operating temperatures.

OnePlus Tip: Temperatures above 95°F (35°C) can cause iPhone performance throttling or automatic shutdown.

Step 2: Reduce Intensive Tasks

  • Close or limit apps running heavy graphics (games, AR apps, video streaming).

  • Turn off Background App Refresh: Settings → General → Background App Refresh → Off.

  • Pause large downloads or updates during peak heat hours.

Step 3: Adjust Display Settings

  • Lower screen brightness: Control Center → adjust brightness slider.

  • Enable Auto-Brightness: Settings → Accessibility → Display & Text Size → Auto-Brightness.

  • Switch to Dark Mode: Settings → Display & Brightness → Dark. Dark Mode reduces OLED screen heat.

Step 4: Limit Charging in Hot Environments

  • Avoid charging your iPhone under direct sunlight or in hot cars.

  • Use Apple-certified cables and adapters to prevent excess heat generation.

  • Consider wireless charging only in cooler, ventilated areas.

Step 5: Manage Connectivity and Location Services

  • Disable Bluetooth, Wi-Fi, or GPS when not in use.

  • Turn off Location Services for apps that don’t require it: Settings → Privacy → Location Services.

  • Excessive connectivity can generate heat, especially outdoors in summer.

Step 6: Enable Low Power Mode

Low Power Mode reduces CPU load and background tasks, which helps keep your iPhone cooler:

  • Settings → Battery → Low Power Mode → Toggle On.

This also saves battery during heat waves.

Step 7: Remove Case Temporarily

Some cases trap heat:

  • If your iPhone is overheating, remove the case to allow better airflow.

  • Only use ventilated or lightweight cases during hot weather.

Step 8: Restart or Force Restart

A temporary software glitch can cause overheating:

  • Restart iPhone: Settings → General → Shut Down → Power On.

  • Force restart if unresponsive: Quick volume up → Quick volume down → Press and hold Side button until Apple logo appears.

OnePlus Tip

  • Keep your iPhone firmware updated: Settings → General → Software Update. Apple includes optimizations to prevent overheating.

  • Avoid leaving the phone on dashboard mounts in U.S. summer sun.

Related OnePlus Guides

Final Thoughts

Preventing iPhone overheating during summer is crucial for device longevity and performance. By following OnePlus’ step-by-step guide — avoiding direct sunlight, limiting intensive tasks, adjusting display settings, managing charging habits, and enabling Low Power Mode — U.S. and Canadian users can enjoy safe, reliable iPhone usage even in high temperatures.

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