I switched to AT&T because I was told they had good service where I work. After I switched, it was excelent and I got good 5G service. 4 months later, it is as bad as the service I switched from. I have done force reboots on my Iphone 13 Pro, which I have 5G for a few minutes and then it goes straight to low bars of LTE. I have reset network settings, turned off background app updating, I've even done a restore on my phone and nothing helps. I am using my phone within feet of where I have had excelent service when I first switched. Any suggestions on settings or is this an AT&T trick? Give you good service until you are out of the trail period and then turn it down to save on costs?