@AkiraChibi @Cappuccino Try this. Go to the Deco app - More - Advanced - NAT forwarding - SIP ALG and disable it. Run the speed test again. I turned mine back on afterwards and so far it's still the...

@Braindeer @SHN Try this. Go to the Deco app - More - Advanced - NAT forwarding - SIP ALG and disable it. Run the speed test again. I turned mine back on afterwards and so far it's still the same but...