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With summer holidays, repeated heat waves and rising temperatures year after year, you’re probably wondering how to prevent your smartphone from overheating. Here are our top tips for getting around this problem.
Like the vast majority of electronic devices, our smartphones are particularly sensitive to heat and at high temperatures. You may have already noticed that if you leave your iPhone in the sun for too long, it will start to slow down and crash, until you see a warning message and it becomes unusable until it cools down. Apple indicates on its site: iOS and iPadOS devices are designed to be used in places where the ambient temperature is between 0 and 35 ºC.
Extreme temperatures can cause performance issues and permanent damage on your smartphone, especially on its battery. Given the price of some current smartphones, it would still be a shame to damage it for this reason. Luckily, it’s very easy to keep your phone at a comfortable temperature. Here’s how to prevent your phone from overheating.
Never leave it in the sun
It goes without saying, but prevention is better than cure. The greatest source of heat in hot weather is the sun, which means the best thing to do is to keep your smartphone in the shade. After all, your smartphone doesn’t really want to sit in direct sunlight for long periods of time either.
Avoid places in the sun during the day. Cars, greenhouses, window sills, deck chairs… Do not leave it in places exposed to direct sunlight. The best is to leave it in cooler roomssuch as those that are air-conditioned, or in shady places, where the heat is not as intense.
Read: How to find a lost iPhone even if the battery is dead?
Remove its shell
Cases for smartphones are useful for many things, but with high heat these can turn into real insulating layers that retain the heat inside. Sometimes it is better to remove it if you want your phone to be better ventilated. Especially if you are at home, at work or staying in one place for a while. In the same way, try not to leave it too much in your pocketespecially if you are exposed to the sun.
Avoid power-hungry apps
Some applications or games may be resource intensive. So be sure to avoid doing things like photo and video editing, playing games, or even prolonged camera use.
It’s also worth turning off some of the features you don’t use, like GPS or Bluetooth. While they don’t generate a huge amount of heat when turned on, every extra degree counts when overheating.
Avoid water and the freezer
Forcing your smartphone to cool down is probably one of the worst things you can do to prevent it from overheating. The phones do not like rapid temperature changes and you risk doing further damage to it.
Running your phone under a tap or submerging it in water is risky, whether it has an IP rating or not. Not only could you be confusing IP rating limits, but your phone’s water-resistant seals may have been damaged without you realizing it. Similarly, putting the phone in a fridge or freezer may cause condense water inside your phone and cause other problems.
To top it off, your warranty won’t cover water-related damage, even if the phone comes with an IP68 rating.
Choose cooling with a fan
A ventilator does not present the same risks at all. It will help reduce your phone overheating, but in a way slower and safer for the device itself and its components.
To read: My smartphone fell into the ocean, what should I do?
Avoid fast or wireless charging (Qi)
Fast charging and wireless charging tend to produce excess heat. If you need to charge your smartphone, be sure to use a low-current wired charger, if possible (below 10 W, for example). If you have no choice, charge it in a cool place so that any excess heat can be easily dissipated.
Buy a phone cooler
As obvious as it may seem, there’s an easy solution if you have the cash to spare: buy a dedicated phone cooler. The concept is simple: you clip it to the back of your phone (either with a clip or some sort of magnet, MagSafe included) and you’re done. You can find them everywhere at low prices and some recognized brands also offer them, like the MagSafe Phone Cooler from Razer (which still costs a whopping 60 euros).
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