AT&T LG K20 M255:LG Bridge unable to check software version

AT&T LG K20 M255 Issues, LG Bridge Cannot check the software version. The AT&T LG K20 M255 is not supported by LG Bridge. The device supports software update through OTA (Over-the-Air) only. When you try to use LG Bridge to upgrade your AT&T LG K20 M255 smartphone,  LG bridge will pop up an error message … Read more