Is the AT&T Nokia Lumia 920 firmware update causing connectivity issues?

broken-phoneIn a thread on Reddit some Windows Phone users are complaining that they are having connectivity issues after upgrading to the 1308 latest firmware.

Clyderd complains:

My L920 has been having a difficult time connecting to AT&T since the firmware update. It was going in and out, it shows the bars but I am unable to send or receive texts or anything else without being on WiFi.

Even before the firmware update we have had readers complaining that the latest Nokia Access Point app appeared to be applying the wrong settings and causing network issues to Nokia Lumia 920 owners.

Have any of our readers had similar issues? Did it come before or after the firmware update? Let us know below.