This Article applies to Deco M4_V1/V2 Firmware Modifications: Enhanced System Security Improved Client management experience on the Deco APP. Fixed the issue that the IPv6 communication between client

I just upgraded six Deco M4 from 1.6 to 1.8. After running some days, the network becomes unstable and not giving out IP addresses. I was running the network for years without any problems. I need to