odel: DECO M5

Firmware: 1.4.4

My Layout

ISP Modem - DECO Main Router - PC Wired connected to DECO Main Router

ISP Modem - DECO Main Router - iPhone X connected to WiFi(DECO MainRouter)

I have contracted  250Mb with my ISP, when I connect directly at ISP MODEM I am able to get 250Mb. When I am using DECO WiFi I am getting huge variation between 10Mb and 100Mb, but I never reach proximately to 250Mb. My Deco is configured as Router.

I already connect in DECO Main Router wired I am still getting 10Mb~100Mb, when I change to WiFi same speed.

I already changed DECO main Router still getting 10Mb~100Mb

I already disabled 2Ghz, still getting 10Mb~100Mb

I did Hard Reset, still getting 10Mb~100Mb

I  changed  primary DNS to 8.8.8.8 still getting 10Mb~100Mb

Wired Connection at DECO Main Router

Internet Speed WiFi DECO Main Router(Deco App the same speed)

WiFi Connection at DECO Main Router

Internet Speed WIred DECO Main Router(Deco App the same speed)