Use the mobile USB flash drive converter as follows
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First, connect one end of the converter to the phone, and then connect the other end of the converter to the USB flash drive.
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After the correct connection, wait for the phone to read the USB flash drive file.
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Pull down to open your phone's notification bar. After the USB flash Drive dialog box is displayed, click the pop-up window to view the files on the USB flash drive.
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Supplementary note: Mobile USB flash drive, the full name of smart phone USB flash drive, English name \"smart phone USB flash disk\". It is a micro high capacity mobile storage product that uses USB interface without physical drive, and connects to a computer or smart phone through USB interface to achieve plug and play.
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Mobile phone U disk is also known as smart U disk -V disk, English name \"vpan\". This is a high-speed mobile storage product that uses wireless wifi technology and requires no connection. Different from ordinary mobile phone U disk.
One end is connected to the U disk, the other end is inserted into the phone charging port, and the phone can automatically identify the U disk.