Use your own high-end gaming router while using the ZTE only as a modem.
Go to Application > UPnP and enable it. This helps consoles like PS5 or Xbox achieve an "Open NAT" type.
Manually separate 2.4GHz and 5GHz bands for better device management.
Assign a static IP to your gaming PC or console under DHCP Binding .
Use channels 36, 40, 44, or 48 for the cleanest signal. 3. Disable WPS
ISPs rarely push the latest ZTE firmware. While "flashing" a generic ZTE firmware can fully unlock the device, . Flashing the wrong firmware can "brick" the device (render it useless) or break your internet connection (VOIP/IPTV settings).