In this case there is no open permission which is incompatible with the specific application
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1, there are mainly the following three reasons: (1) The wire interface is not correct; (2) Insufficient voltage or current; (3) The mobile power supply is insufficient 2, solution: (1) For the interface is wrong, if your mobile phone interface and charging bank interface is not applicable, you should find a wiring. If the interface is the same, or can not be charged, it is necessary to check whether there is poor contact between the two interfaces of the data cable, it is recommended to change a data cable test.