ZyXEL Communications PLA-407 - Manual (Page 57)

Chapter 6 The OS X Configuration Utility
PLA-407 User’s Guide
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3 Open the Firmware Upgrade Tool application. Click Next to begin the firmware
upgrade process.
Figure 30 Firmware Upgrade Tool: Start
4 If you already have the latest version firmware, you’ll see a warning screen. Click
No unless you want to re-upload the firmware.
Figure 31 Firmware Upgrade Tool: Start