How to get NAT type 1 or 2 on PlayStation 4/PS4 via LTE UMTS Router : r/PS4
Huawei EchoLife-HG520c Screenshot NAT Settings
Port forwarding in 4G modem (huawei) + Router (asus) (pics) - Super User
Huawei B525 port forwarding/nat type open
Fastest Way to Forward Ports on the Huawei HG8245 Router
How to Change NAT Type on PS4 - Driver Easy
NAT Type C/D on Nintendo Switch with Huawei HG8245Q2. Tried putting switch into DMZ. Port forwarding Nintendo ports seems to disable our internet entirely, possibly doing them wrong. : r/techsupport