A warm phone during heavy use is normal — modern processors generate significant heat. But if your phone burns to the touch, shuts itself down, or throttles noticeably, that's a problem that needs attention. Here's everything you need to know.
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Gaming / Streaming
3D games and 4K video push CPU and GPU to near maximum, generating heat rapidly.
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Fast Charging
Fast and wireless charging produces more heat than standard 5W charging.
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Direct Sunlight
Leaving your phone in sunlight or a hot car is the fastest path to thermal shutdown.
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Background Apps
Runaway background processes or location services can push CPU usage to 100%.
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Poor Signal
Phones work harder to maintain a signal in low-coverage areas, consuming more power.
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Malware
Crypto-mining or adware malware can cause persistent overheating with no obvious cause.