After download, please install the new vx manager.
Then connect device to laptop, laptop connecting network, open new vx manager, click "Firmware" to update, then click "Update license" to renew.
All would be ok.
This can be available for all VCX NANO series.
For VCX NANO PRO (SN P71XP****), VXDIAG Multi or VCX PLUS (SN V52XP****), Please send serial number to us.