Firmware Version 1.5.2 (Build No. 1.5.2_260407)

Release|2026-04-10

Caution

Devices with firmware v1.5.1 or later cannot be downgraded to versions earlier than v1.5.1.
The XP2-MAPB-H model cannot be downgraded to versions earlier than v1.4.3.
XP2-GKDPB models with hardware v1.2.0 or later cannot be downgraded to versions earlier than v1.4.3. You can check the hardware version in the Device menu in BioStar 2.
Devices with the new BLE chip cannot be downgraded to versions earlier than v1.3.1. This restriction does not apply to devices with the existing BLE chip.

To check whether your device can be downgraded and whether the new BLE chip is installed, verify the serial number and contact 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