Thank you @mogga71.
As stated on your screenshot (11) post, after you've applied the Dynamic IP settings on it, the TP-Link modem that we've provided should be connected to the WAN/LAN of your Vivid Huawei router via Ethernet cable.
Once connected, try if you are able to access the internet using the WiFi of your Huawei router.
Update us if it's working or not.
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