TP-Link Deco M4 - Advanced Network Features; Configure WAN and IPv6 Settings; Add IPv6 Firewall Rules

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QoS
QoS (Quality of Service) helps you set priority for specific applications and devices, so that they can perform better with lower latency.
1. Tap > QoS.
3. Add devices you want to prioritize to guarantee a better network
performance.
2. Set the total bandwidth before
using QoS.