Before starting any tests, we had a quick look at the Apacer website. Apparently, a firmware upgrade was available (v1.35.01), which we installed. In order to upgrade your device, you have to perform a little trick. The device must enter the firmware update mode which is done by pressing the “Power” and “OK” buttons at the same time when powering it up.

Plug the CD311 to a USB port and start the firmware update software: