Hi @david.king,
I tried 6-7 boot times on our module. You can download FW 2.23 and 2.27 in below link
FW 2.27:
https://source.sierrawireless.com/resources/airprime/software/hl7692-firmware-2,-d-,27/#sthash.VRGyBGYy.dpbs
FW 2.23:
https://source.sierrawireless.com/resources/airprime/software/hl7692-firmware_2,-d-,23/#sthash.9HBJoYrD.dpbs
Thanks