First, you must activate the Custom Partition functionality. It is deactivated by default.
- Open the Setup and go to System > Firmware Customization > Custom Partition > Partition.
- Check Enable Partition.
- Set the Size to "10M" Megabyte).
- Leave the Mount Point at
- Click Apply.
The Custom Partition is created on the device's mass storage, which is indicated by a message.
When the Custom Partition is created and successfully mounted, the message reads: