@timp78 - I think I've solved it. QoS was set to prioritised gaming and I put it back to standard and did a couple of speed test on 2 different iphones and the speed are 95-100Mbps. Thanks.

@timp78 - sorry im pretty novice with technology. Do i check the QoS speed on the router or on Deco5? Thanks.

Hi all, I've just change RSP and upgrade my nbn speed from 50Mbps ⬇️ to 100Mbps ⬇️. On wifi, I had no issue with 50 Mbps on all 3 of the Deco M5. Roughly will get 45-50Mbps. Once I've upgraded the...