3.
There are two ways available for OTA update.
I.
With USB
1.
Confirm two things in your USB disk. The update package needs to be named
ota_update.zip and USB disk must be in FAT32 file system format.
2.
Put ota_update.zip in USB disk and plug into device.
3.
Click OTA Update button.
PA-6822 SERIES USER MANUAL
Chapter 3 Software
Page 155