@Solla-topee Just received it today so brand new, think its probably faulty and yes its the 450 device. So from power up it takes about 5 seconds for the power light to start blinking I am in Dubai...

Hi just got a new AC 1750 range extender and when I plug it in and power it up the power LED will not stop blinking Tried the reset button still the same, powered it back off left for 10 minutes...