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USB Drive
1.【USB Drive】Why is the speed slower than expected?+
- Make sure your device and port support the same USB version as the USB drive.
- Performance may vary due to file type, cable quality, or system load.
2.【USB Drive】Why can't I transfer files to the USB drive?+
- A single file cannot exceed 4GB on FAT32.
- For larger files, please format the USB drive to exFAT.
3.【USB Drive】Why doesn't the USB drive show up when plugged in?+
- The default format may not be supported by your device.
- Connect the USB drive to a computer and reformat it to a compatible file system (e.g., FAT32 or exFAT).
4.【USB Drive】What is USB 3.2 Gen 1?+
- USB 3.2 Gen 1 is the same as USB 3.1 Gen 1 and USB 3.0, and supports 5Gbps transfer speed.
- Due to packaging transition schedules, some product housings may still display “USB 3.0” or “USB 3.1”
5.【USB Drive】USB 2.0 vs 3.0 vs 3.2—What’s different? Are they backward compatible?+
- USB 2.0: 480 Mbps
- USB 3.0 / 3.2 Gen 1: 5 Gbps
- USB 3.2 Gen 2: 10 Gbps
All versions are backward compatible—USB 3.x drives can be used on USB 2.0 ports, but speed will be limited.
6.【USB Drive】When can I safely remove the USB drive?+
Always use the “Safely Remove Hardware” or “Eject” option before unplugging.
Removing the drive during data transfer may cause file system damage.
7.【USB Drive】Why can’t I format the USB drive?+
【1】Try formatting the drive on another computer.
【2】If the issue remains, please contact our customer support for assistance.
8.【USB Drive】How do I transfer files from my phone to MU D55 / NR D55 USB drive?+
【1】Insert the Type-C connector into your phone
【2】Select the files > tap the Share icon > choose “Save to Files” > select the USB drive
【3】Ensure the USB drive is recognized before transferring