I have IPhone 13 max pro. My strength ind goes between 1 and 3 up and down. Also the band is switching between 1,3,8 with freq. 10 an20. 5G the same if I switch on. The AIS network gives on this moment moderate strength to me with the message good receive. But I will do it again at 20:00 hr. Then I go sleep because it is Finished with streaming. Thanks