SF will change with the adjustment of the server. So this is normal. The downlink frequency in your picture uses RX1, and the RX1 window is determined by the upload frequency.
SF changes as the server adjusts. So this is normal. The downlink frequency in your picture is RX1, and the RX1 window is determined by the frequency of upload.
SF will change with the adjustment of the server. So it's normal. The downlink frequency in your picture is rx1, and the rx1 window is determined by the upload frequency.