This update includes improvements to functions as listed below.
The exact changes may differ depending on your device model, country, and service provider.
To get the best from your device, please keep your device up to date and regularly check for software updates.

Galaxy Watch8 Classic (SM-L505U)

Build Number : L505USQS3AZF4

Android version : B(AndroidWear 6.0)

Release Date : 2026-07-13

Security patch level : 2026-07-05

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

Build Number : L505USQS3AZE1

Android version : B(AndroidWear 6.0)

Release Date : 2026-06-15

Security patch level : 2026-05-05

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

Build Number : L505USQU3AZB4

Android version : B(AndroidWear 6.0)

Release Date : 2026-03-04

Security patch level : 2026-02-05

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

Build Number : L505USQU2AYK1

Android version : B(AndroidWear 6.0)

Release Date : 2025-12-08

Security patch level : 2025-11-01

Build Number : L505USQS1AYH6

Android version : B(AndroidWear 6.0)

Release Date : 2025-08-21

Security patch level : 2025-08-01

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

Build Number : L505USQU1AYG4

Android version : B(AndroidWear 6.0)

Release Date : 2025-08-12

Security patch level : 2025-05-01

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.