Partitioning the SD card will allow you to protect and hide sensitive files, back up programs and the operating system, and may improve the performance of your computer or device. The SD card can be partitioned using a Windows computer, Mac, or Android phone.
Step
Method 1 of 3: Windows
Step 1. Insert the SD card or SD adapter into an available USB port on your computer
Step 2. Click Start > Control Panel. The Control Panel window will appear on the screen.
Step 3. Click System and Security > Administrative Tools
Step 4. Click Computer Management. The application will appear on the screen
Step 5. On the left pane, under Storage, click Disk Management
Step 6. Right-click your SD card, then select New Simple Volume.
Step 7. Click Next in the New Simple Volume Wizard window that appears on the screen
Step 8. Enter the desired partition size, then click Next.
Step 9. Select a drive letter to identify the partition, then click Next
Step 10. Select the option to format the partition, then click Next
Step 11. Click Finish. Your SD card is now partitioned.
Method 2 of 3: Mac OS X
Step 1. Insert the SD card or SD adapter into an available USB port on your computer
Step 2. Open the Applications directory, then click "Utilities
”
Step 3. Click “Disk Utility
”
Step 4. Click the name of your SD card in the left menu of Disk Utility
Step 5. Click "Partition" at the top of the Disk Utility window
Step 6. Click the menu under "Volume Scheme", then select the number of partitions you want on the SD card
Step 7. Click on each partition, then give the partition a name, format and size
If you want to be able to start the computer via the SD card, select Options > GUID Partition Table
Step 8. Click "Apply"
Your SD card will also be partitioned.
Method 3 of 3: Android
Step 1. Make sure the SD card that you want to partition is already inside your Android phone
Step 2. Visit Google Play Store on Android phone
Step 3. Find and download "ROM Manager" by ClockworkMod
You can also download ROM Manager at
Step 4. Open ROM Manager after the installation is complete
Step 5. Tap on “Partition SD Card
”
Step 6. Select the partition size next to “Ext Size
”
Step 7. Select the swap size in "Swap Size" if desired
Swap is SD memory that can be used as a RAM cache, and helps free up RAM for other programs.
Step 8. Tap OK
The phone will enter recovery mode and start the SD card partitioning process.
Step 9. When prompted, select the option to restart the phone
Your SD card is now partitioned.
