Questions about OPPO Modem 5G CPE T1a Generic version 6750125 white

I would like to connect my OPPO CPE T1a to the Oppo Connect app on my iPhone. The phone is in the Oppo WLAN. After registering, "Add device" appears. However, the app does not find the router. How can this be fixed?

I took the Oppo router with me to my home in Italy. I bought an Italian sim from vodafone and inserted it. Displays and connection seem ok but no connection to the internet. What is missing? In the interface you can't select Italy when choosing a location, is there a problem with the area of use? Does anyone know what to do? Thank you.

Is it possible to buy the OPPO 5G CPE T1a power cable separately without the router?

Hello, a question: The device has two ports for LAN cables. Is it possible to set a connection for a LAN guest network or is it only possible with WLAN?

Two questions: 1) Can the WiFi be switched off so that only a LAN connection can be used? 2) Does the router also work with 4G LTE in Europe (Greece)? 5G is only available in certain locations.

For me, it is still the best router, especially when the masts are not close by. Comparison Oppo T1a vs Xiaomi 5G CPE Pro: Oppo with Swisscom : 91Mb, 14MB, 29ms 190Mb, 9.6MB, 37ms 190Mb, 9.9MB, 37ms 160Mb, 14MB, 33ms 130MB, 10MB, 37ms Xiaomi with Swisscom : 100Mb, 11MB, 37ms 81Mb, 13MB, 41ms 100Mb, 13MB, 39ms 83Mb, 8.9MB, 43ms 87MB, 8.6, 43ms Oppo with Sunrise : 44Mb, 6.9MB, 25ms 38Mb, 7.3MB, 25ms 41Mb, 8.4MB, 20ms 44Mb, 10MB, 25ms 58MB, 14MB, 28ms Xiaomi with Sunrise : 34Mb, 17MB, 38ms 40Mb, 19MB, 36ms 23Mb, 11MB, 43ms 33Mb, 23MB, 40ms 29MB, 6.4MB, 35ms I haven't tested Salt, but it is noticeable that the Oppo router has much better latency.