I have send from France to USA a mangoh red with WP7603 and legat 18.5.1
I have set WP7603 with Sierra APN. But Ican’t test It in France due to incompatibility with LTE in France.
My customer power on the board but I don’t see any connection to AV. In the time line I can see a lot of data session started /stopped with around 3Mbytes of data/day but no registration in AirVantage.
I will try to investigate with the customer. Any idea,
I have installed a avcController and set the heartbeat manually to 15mn with AT+Wdsc=3,15 before to shipped the board.