Firmware Release Notes SW01800-1.5.1.0 Supported products: Z-KEY-0 (Rev. E0) Z-KEY-0 (Rev. F0) Z-KEY-0 (Rev. F1) R-KEY-LT (Rev. C0) R-KEY-LT (Rev. D0) R-KEY-LT (Rev. D1) Z-KEY-2ETH (Rev. B0) WARNING. Upgrading from a previous firmware version causes loss of configuration NEW: -New: Increased the number of characters of the webserver user/password to 15. -New: Now The password appears hidden in the webserver -New: Now Special characters are accepted in the webserver user/password.