Old revisions Add to book Export to PDF Fold/unfold all Book Creator Add this page to your book Book Creator Remove this page from your book Manage book (0 page(s)) Help Version 1.7.1 (V1.7.1_230405) Release 2023-04-05 Devices with the new BLE chip cannot downgrade to a lower version after upgrading the firmware to v1.7.0 or higher. Devices with existing BLE chips can be downgraded to a lower version. For more information, check the serial number of the device and contact the Suprema. (supremainc.com) New Features and Improvements 1. Supports Custom Smart Card Layout. XPass D2 firmware v1.7.1 or higher. 2. Supports Keypad Backlight configuration. XPass D2 (XPD2-GKDB) firmware v1.7.1 or higher.