Firmware Version 1.5.2 (Build No. 1.5.2_260407)

Release|2026-04-10

Caution

After upgrading the firmware to v1.5.0, it is not able to downgrade to an earlier version of the firmware.
The XP2-MAPB-H model cannot downgrade to firmware version v1.4.3 or lower.
The XP2-GKDPB model with hardware v1.2.0 or higher cannot downgrade firmware to lower than v1.4.3. The hardware version can be checked in the DEVICE menu of BioStar 2.
Devices with the new BLE chip cannot downgrade to a lower version after upgrading the firmware to v1.3.1 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.

New Features and Improvements

Supported EV2 Secure Messaging authentication and issuance for DESFire EV2 and EV3 cards.
Supports the Lock Override feature, which allows you to enroll a card that can open a door to be opened using a specific card.

Access group authentication behaves abnormally according to the schedule (Daily) when DST is applied. Affects version: 1.0.0
Card format and write failure after changing the Primary Key of an issued MIFARE SL1 card. Affects version: 1.5.1
Network speed downgrading after changing the IP settings of a device. Affects version: 1.0.0