Firmware Version 1.5.1 (Build No. 1.5.1_260918)

Release|2026-09-22

Caution

• If you are using a device with firmware version v1.4.0, you must upgrade to v1.4.1 before use.
  As important security and stability improvements are included, using the latest version after the upgrade is mandatory.

• After upgrading the firmware to v1.4.0, it is not able to downgrade to an earlier version of the firmware.

• For more information, check the serial number of the device and contact the Suprema.

Bug Fixes

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1. Lock Override card authentication not working on a door created with a Wiegand reader when the reader is disabled. Affects version: 1.5.0

2. Card authentication not proceeding after unlocking Auth Fail Lockout, entering a menu, and returning to the main screen. Affects version: 1.5.0

3. Mismatch between the displayed popup and the actual behavior when authentication fails after entering Job Code. Affects version: 1.5.0

4. Device lock status not displayed in BioStar X even when the device is locked by Auth Fail Lockout. Affects version: 1.5.0

5. Unlocking Auth Fail Lockout with ID + PIN also releasing locks that were not intended to be released. Affects version: 1.5.0

6. Administrator authentication failure count decreasing when PIN entry fails while unlocking Auth Fail Lockout. Affects version: 1.5.0

7. Slave device locking immediately on a single authentication failure after being deleted and re-added while in Auth Fail Lockout. Affects version: 1.5.0

8. Administrator authentication failed event occurring when controlling a door while in Auth Fail Lockout. Affects version: 1.5.0

9. Second-stage lock remaining instead of switching to the first stage when 2nd Lockout Duration is turned off during a second-stage Auth Fail Lockout. Affects version: 1.5.0

10. Authentication being processed as successful and releasing the lock when unlocking Auth Fail Lockout. Affects version: 1.5.0

11. Child Wiegand reader not being locked by Trigger & Action when a Lock Override card is assigned to a user. Affects version: 1.4.0

12. Newly set key not applied and the default key being used in OSDP secure communication. Affects version: 1.5.0

13. Slave Auth Fail Lockout releasing correctly only once after a master reboot and malfunctioning thereafter. Affects version: 1.5.0

14. PIN failure during Arm authentication resulting in access denial instead of being handled as Auth Fail Lockout. Affects version: 1.5.0

15. Slave Auth Fail Lockout not releasable through card authentication. Affects version: 1.5.0

16. Home screen logo image not reflected until reboot when changed via the SDK. Affects version: 1.0.0