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8. You continue to use inexpensive, generic chargers.

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Each phone comes with an appropriate charger; these shouldn't be switched out for chargers made for different brands or models. The amount of energy delivered to the battery may be too high or too low if the incorrect charger is used. This can cause the device to overheat or charge very slowly. The charger that came with your phone when you got it is the finest one. You may always order it again if you break it or lose it; just make sure it's the same model!