All firmwares, starting from 31.0, have been modified. They now contain highly important features, that will increase the devices’ stability when working with CAN parsing tools.
It is highly recommended to upgrade your current firmware. This can be done remotely by sending the command UPGRADE 0, UPGRADE 31, UPGRADE 32, UPGRADE 34, UPGRADE 35, UPGRADE 36 depending on the current firmware version.
Source: galileosky.com