How to upgrade the firmware on AXIS T8414 1. Download the zip file containing the FW upgrade files. 2. Unpack the 2 files in the FW release file (1 "tgz" file and 1 "tgz.md5" file) but DO NOT unpack these 2 files further! 3. Place both files in the root directory of a USB memory stick, in a folder named \upgrade\upd_T8414s. Example: If your USB stick is F: then the folder containing the files would be F:\upgrade\upd_T8414s 4. Insert the USB stick into AXIS T8414. 5. Start the upgrade from the settings menu on AXIS T8414. Note that the unit must be connected to the mains charger during the upgrade.