I had similar problems but after updating the modem it was so much better, but I still had flapping between 4G/5G.
This is better now since using the AT cmd to lock the current tower, please look here
I had similar problems but after updating the modem it was so much better, but I still had flapping between 4G/5G.
This is better now since using the AT cmd to lock the current tower, please look here