Tool you will need:
- Open BOOTICE, select your USB flash drive and click Parts Manage.
- Click ReFormat USB disk.
- In Disk Mode, choose USB-FDD mode and click Next.
- Choose File System type then click OK.
- Click OK to confirm repartition and format your USB flash drive.
- If Windows ask you to format your USB flash drive, just format it again.
- Done. Your USB is back to its original maximum capacity.