Micro USB tips will not connect unless pressure is applied to the USB connector. I already had another tip from a previous purchase from another brand that worked great. Using this tip from a previous purchase the cables work great but the tips that came with this purchase are useless. I really like these cords because not only do they swivel at the end, but when plugged in to charge they DO NOT LIGHT to keep me up at night. There is a lightbulb at the end of the cord, but it is hidden when charging. I'll probably keep this set for cables only, but I need more advice. Note. I have a new phone so there is no lint in the micro USB port that could contribute to this issue. I've also tried attachments in other articles (tablets and phones) with the same results. Note: If I look at the end of the micro USB, I can see that the metal pins are not at the same height. This may be the reason for the missing connection. If I don't hold the pressure by pushing it into the phone there is no connection. My advice from another purchase that works great is not. All metal contacts are evenly distributed within the tip.
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