Buy the first pair and they lasted a few months. There were some issues but they worked and held up under heavy use. The second pair didn't work right out of the box. Charges, then stops charging, then discharges the battery. I had to hold it in the phone at an angle. You are flawed. They are also not suitable for charging phones such as the zMAX z981 or z982. They may work for other phone models listed, but they will not work for charging these charging ports. So they are inexpensive and for the right phone they will work, but they worked for mine which is why I gave them so few stars.
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