How long does it take you to charge your phone? When you notice it goes from an hour and a half to more than 3 hours to do so, it's a clear sign you have to replace the charger. If you see your phone cable has turned green, throw it away and replace it with a new one. The wire inside the cable is made of copper, and this metal turns green when it corrodes - so it's not safe to use it anymore! Let's learn more useful tips to make your phone last longer and stay the most efficient gadget. 

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