1. Download the patition tool "AOMEI Partition Assistant Lite".

2. Run the "AOMEI Partition Assistant Lite".

3. Right click on the drive letter of the MicroSD card——Select" Delete all Partitions" —— Click "Apply" in the upper left corner.

4.Click "Proceed", there's a system prompts: All operations have been completed successfully.

5. Right click on the drive letter of the MicroSD card——Select "Create Partition".

6. Select "FAT32" as File System——Click "OK" —— Click "Apply" in the upper left corner.

7. Click" Proceed", there's a system prompts: All operations have been completed successfully.