USB memory reduced recovery cmd -Unallocated space of a USB flash drive Recovery

Example:-16 GB USB (16Gb Pendrive) reduced to 300 (XXX) MB Display...

1. cmd
2. diskpart
3. list disk
4. select disk 1
5. list partition
6. clean
7. list partition
8. create partition primary
9. list partition
10. format fs=fat32 quick
11. list partition
12. exit