Thank you for providing clarification and your response.
It appears that the device is currently linked to the n28 5G band. To address this, we plan to update the modem firmware. This update aims to resolve specific issues related to the n28 5G band on particular 5G networks. Additionally, it aims to address situations where the device is connected to 5G, but the connection is not being reported.
We have prepared the instructions on the modem update process: