@AndyNg Hello, may I know why do you want to degrade the firmware? Please describe your problems with more details after firmware upgrade. Then we can do some troubleshooting to figure it out. And if...

@Harry123 Thanks for your requesting, we will do some troubleshooting to locate this issue and try to fix it. How do they connect to each other? By wired cable or wireless? Please verify which Deco...

@samwardill Hello, to build the mesh network, the 2.4GHz and 5GHz use the same SSID and password, no option to make them separate from each other. May I know why do you need to setup different SSID...

@Mitna Hello, sorry to tell you that the Deco M5 1.4.0 is not allowed to degrade to 1.3.x or below via the web interface directly; But we can do some troubleshooting regarding to the current issue....

@FNB What is the model number of your client? And what is the OS version? Please tell me the current operation mode of Deco. Is it router mode or AP mode. With main Deco connected to the modem and...

@apcameron Hello, what is the operation mode of the Deco? Is it router mode or AP mode? Try to switch the slave Deco to the main Deco and connect it to the modem directly and verify whether it works....