How to Delete the Partition of SD Card
[METHOD 1]
From your Galaxy Y / Y Duos,
1. go to Settings
2. SD card and phone storage
3. Unmount SD card
4. Format SD card
If this method not work then do this---
[METHOD 2]
Format your SD Card in PC with Fat32.
To know about it go to Here
[METHOD 3]
It is the 100% working trick.
1. Backup your data from your
SDcard
2. Download & Install EASEUS
Partition Master
3. Open the EASEUS main screen.
---- Right Click on the SD Card option ( Example- G drive FAT partition )
Be sure during Choosing the SD Drive.
---Click on Unpartition SD Card.
Wait and your partition will be deleted.