How to format corrupted or write protected flash drive

To format corrupted or write protected flash drive please follow the steps:- 

1. Open command prompt as administrator.
2. Type diskpart.
3. Type list disk.It will generate a list of drive attached to the system.
4. Type select disk n.(n=disk which is corrupted and you want to format.)
5. Type clean.
6. Type create partition primary.
7. Type select partition 1.
8. Type assign.
9. Type format.(flash drive begin to format.)