Hot weather can kill your smartphone: How to protect it from overheating
Gadgets should be properly cooled during summer (Photo: Pexels)
Extreme summer heat can not only slow down your smartphone but also significantly shorten its battery lifespan. Experts explained how to protect your device from overheating and which mistakes to avoid when trying to cool it down, according to Which.
Constant overheating damages your battery
Prolonged exposure to high temperatures accelerates battery degradation and can trigger thermal throttling—a forced reduction in processor speed designed to prevent serious hardware damage.
Common mistakes and critical risks
Experts warn against attempts to use shock cooling methods on overheated devices.
"Never put a hot phone in a refrigerator, freezer, or on ice packs. A sudden temperature change can cause internal condensation, which may damage electronic components and lead to corrosion," specialists say.
At the first signs of critical overheating such as a system warning, significant screen dimming, or a frozen interface, experts recommend following a simple cooling routine:,
- Completely turn off the device.
- Remove the protective case.
- Move the smartphone to a shaded area with natural airflow and leave it there for 5–10 minutes.
6 rules to protect your smartphone from overheating
To help dissipate heat and reduce stress on the device, experts recommend:
- Avoid direct sunlight: Do not leave your phone on a car dashboard, under glass, or on exposed surfaces.
- Reduce screen brightness: Turn off auto-brightness, lower the display level manually, and enable Dark Mode.
- Limit demanding tasks: Gaming, AI tools, long 4K video recordings, and GPS navigation under direct sunlight can quickly heat up the device.
- Use cooling-friendly navigation setups: In cars, place the phone holder near the air conditioning vent or rely on voice directions with the screen turned off.
- Enable power-saving mode: This limits processor speed, screen refresh rate, 5G activity, and background app usage. For maximum effect, you can temporarily enable airplane mode.
- Monitor charging: Fast charging and wireless charging generate extra heat. Avoid using your phone while charging in hot environments.
- Remove thick cases: Heavy silicone, leather, or rugged cases can block heat dissipation. Thin cases with graphite inserts or aluminum frames provide better thermal conductivity.
- Keep software updated: Regular OS and app updates include optimization fixes that improve processor resource management and reduce unnecessary background activity.