[SGSW-2840 Series] For some reason, I want to upgrade SGSW-2840 firmware, but an error message was displayed finally that Firmware upgrade failed. How can I do?

Please download Updater utility to update the firmware ID first then try to upgrade firmware again. You could follow the procedure as following.
Setp1. Please go visit Planet download center web page http://www.planet.com.tw then pickup SGSW-2840 model to search the utility and press Go button. You could refer to the Figure1.

Figure1. Download center web page

Step2. Please download Updater utility then extract it.
Step3. Please prepare console cable then connect to your PC and SGSW-2840.then execute the Updater utility.
Step4. Turn power off SGSW-2840 then picks up COM port number where your console cable plugged in then press Connect button and turn power on SGSW-2840.

Figure2. Updater Utility Screen

Step5. Please waiting for a while till Finish button enabled then press Finish button.

Figure3. Update Finish Screen

Step6. Turn power off then turn power on, after booting done you can upgrade firmware.

Note:
1. Before using the utility, please close all of application first.
2. Please close the utility first after pressed Finish button.