Having issues with the the modem connecting to WAN and internet. Used both T-Mobile and AT&T sim cards and cannot connect to WAN. The antenna length is 5 meters. Cellular service and APN names were checked before trying both sim cards.
Can you attach a backup with support files so that we can take a look at the device’s logs and configuration? This will give us a better view of what’s going on and why the device isn’t coming online.