A warm phone is normal when you are gaming, charging or filming. A phone that is too hot to hold, shows a temperature warning or starts lagging is a problem. Heat is one of the biggest enemies of your battery, and in Ghana’s climate it is easy for phones to overheat. Here is why it happens and what to do.
Common causes of phone overheating
- Direct sun and hot places: car dashboards, motorbike phone holders and market stalls in the afternoon sun.
- Using the phone while charging: gaming or video calls while plugged in doubles the heat.
- Heavy apps and games: high graphics settings push the processor hard.
- Apps running in the background: a misbehaving app can keep the processor busy all day.
- Weak network signal: the phone works harder to stay connected in poor-coverage areas.
- Thick cases: they trap heat, especially during charging.
- An ageing or damaged battery: old batteries produce more heat.
- Fake chargers: poor-quality adapters can heat the battery and port.
10 ways to cool it down and prevent it
- Stop what you are doing. Close the game, camera or video call.
- Unplug the charger if it is charging.
- Remove the case to let heat escape.
- Move to shade or a cooler room. Never put the phone in a fridge or freezer; sudden cold can cause moisture inside.
- Turn on Airplane mode for a few minutes if signal is weak.
- Lower screen brightness and turn off auto-brightness spikes outdoors.
- Check battery usage in Settings to find apps draining power, then update or uninstall them.
- Update your software; updates often fix heat bugs.
- Use a genuine charger and avoid charging under pillows.
- Replace a weak battery if overheating comes with fast drain or swelling.
When overheating is dangerous
Stop using and charging the phone immediately if the back or screen is lifting, you smell burning, or the phone is hot even when switched off. These can be signs of a swollen or failing battery. Keep it away from beds and fabric and take it to a technician.
For more on heat and batteries, read how to extend battery life in hot Ghanaian weather, and if your phone is also struggling to charge, see why your phone is not charging.
Phones that handle heat and heavy use, from Simcel
- Samsung Galaxy A17 5G: an efficient Exynos 1330 chip and a 5,000mAh battery for steady, all-day performance.
- Infinix Hot 70: the Helio G100 Ultimate chipset and a 6000mAh battery, good for gamers on a budget.
- Samsung Galaxy S26 Ultra (256GB): the Snapdragon 8 Elite Gen 5 flagship for power users who need top performance.
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