Yeelight Halo LED Ceiling Light (YLXD50YL), always lag and couldn't update

Lamp YLXD50YL firmware 2.0.6_0016 cannot update had error like on the screenshot. I try different servers and many time reset lamp, lamp was near the router (1 meter). On this firmware version device working unstable, always lost connection and have big delay or even not answer. How i can fix it?


This is ping in local network…