I've got a Samsung Galaxy S25 and whenever I play games like Genshin Impact for more than 20 minutes, the back gets really hot and the performance tanks. Is this normal wear and tear or should I be worried about damaging the battery?
Are you playing with high graphics settings and brightness turned up? Gaming on modern phones absolutely generates heat, especially with demanding titles like Genshin Impact - that's normal thermal behavior, not wear and tear. What matters is whether your phone's throttling itself (lowering performance to cool down), which it sounds like it's doing after 20 minutes. To reduce overheating, try lowering graphics settings, reducing screen brightness, closing background apps, and giving the phone breaks between sessions. The battery itself is pretty well-protected from occasional heat spikes, but prolonged high temperatures do degrade battery life over time, so managing heat now is worth the effort.
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