You can use the USB OTG data cable to read the data in the NM memory card inserted into another mobile phone, or the data in other USB storage devices such as U disks and card readers. The operation method is as follows:

1. Transfer data between memory cards of two mobile phones

1. Connect two mobile phones through USB OTG data cable and USB data cable.

2. On the copied device, set the USB connection mode to transfer file mode.

3. Click the memory card in the pop-up box of another device, browse the data on the memory card, select the data that needs to be copied, and copy it to the target folder.

4. After copying, click Settings > Storage > Memory Card > Eject.

2. Transfer data between mobile phone and U disk

1. Connect the mobile phone and U disk through USB OTG data cable.

2. Open File Management > Browse > U disk, browse the data on the U disk, select the data that needs to be copied, and copy it to the target folder.

3. After copying, click Settings > Storage > USB Disk > Eject.