How to repair corrupted pendrive that shows zero byte of space

Have a corrupted pendrive and need to recover files from it? Get expert troubleshooting tips to know how to repair a corrupted pendrive.
I have 8GB of Kingston pendrive with 20MB read speed and 10MB write speed. This pendrive is 2 years old. I'm not able to access the files inside that pendrive. It always shows zero byte of space in my PC. When I tried to format that pendrive then Windows was unable to format the disk. I tried to connect via OTG to smartphone but nothing happened. Please guide how to recover files from the corrupted pen drive or how to repair the pendrive?

Corrupted pen drives can be repaired by a lot of methods, some of them are as under:

1.
A. First thing to do is to check if the files are not hidden.
B. If this doesn't work then click "Start" and go to "Run" and type 'cmd' and press enter.
C. Your pen drive may be assigned "G" or "H" as driver letter.
D. Enter this command attribute -h-r-s/s/d g:\*.* and press enter. You can copy this command and directly paste it in the command window.
NOTE: Replace the letter 'g' in the above command with the appropriate letter that your computer assigns that pen drive.
E. Now check your pen drive for the files.

2. Another method for this is to format the pen drive by this attribute:
–s-h/d *.*

3. Third method to repair a pen drive is as under:
A. Press Window key + X.
B. Select disk management, if the disk shows as unlocked just right click and restore your pen drive. This will restore your pen drive and it should now be visible with the available storage space.

4. And last method is as under:
1. Open 'Run' and type 'cmd' and press enter.
2.
3. Now type command "attrib–s-h/s /b

I hope one of these methods will work for you.
METHOD - 2
Sometimes, your USB drive or Memory Card show the Used Space 0 Bytes or Capacity 0 MBalong with Free Space 0 Bytes or Unallocated Space 0 MB or Reserved Space 0 MB even if you did not delete any data from the USB drive / Pen Drive / Flash drive or Memory Card or format the drive and the files are gone. This is called raw drive, raw file system.

To fix this error, follow these simple steps -

Step 1 : First connect your USB drive or memory card on your computer.

Step 2 : Right click on My Computer and go to Manage.

Step 3 : Click on Disk management.

Step 4 : Right click on removable drive x (x is your pen drive or memory's drive letter).

Step 5 : Now, click on New Simple Volume.

Step 6 : Click on OK.

Now your pen drive or memory card is ready. and you will no more see the properties menu showing the Used Space 0 Bytes or Capacity 0 MB along with Free Space 0 Bytes or Unallocated Space 0 MB or Reserved Space 0 MB.

If this does not works, then you can download iCare Data Recovery Software from their websiteto recover your files. This tool can not fix the Used Space 0 Bytes or Capacity 0 MB along with Free Space 0 Bytes or Unallocated Space 0 MB or Reserved Space 0 MB error but it can help you to retrieve all the files from RAW drive, RAW partition, RAW file system.
iCare Data Recovery Software is easy to use without much technical knowledge.

Download this tool from their website or Click the link below to start the download.
After downloading this tool, install it.
Select Deep Scan Recovery
Select the disk which is RAW i.e. the corrupted disk.
Let it scan for all the files.
After scanning has been completed, Select your files, you want to recover.