Hello, We use modem FXT009. Due to error message in communication with modem, we have to upgrade firmware. Default FW in stored in modem´s is FW R7.47.4. I succefully upgrade FW from R7.47.4 to R7.47.6 and to 7.51.0. When i try to upgrade FW from 7.51.0 to 7.52.0, modem sent error message: AT …

Upgrade Firmware from R7.51.0 to R7.52.0 failed

kasztajablotron January 12, 2016, 3:00pm 12

Some ideas ?

Petr