Samsung has officially initiated the roll-out of its August security patch for the Galaxy Watch 9 and Galaxy Watch Ultra 2, according to community reports and software availability notices. According to the release documentation, the update weighs in at just under 200 MB and aims to bolster device security across European markets including the Netherlands and Belgium.
Availability and Firmware Details for Galaxy Watch 9 and Ultra 2
The latest software package carries firmware version XXS1AZH4, as confirmed by initial release tracking. According to deployment logs, this inaugural firmware package is hitting both Bluetooth and 4G variants of the Galaxy Watch 9—specifically targeting model numbers SM-L340 and SM-L350—alongside the newly released Galaxy Watch Ultra 2.
Pro Tip: Users can manually check for the update by opening the Wearable app, navigating to Watch settings, selecting Watch software update, and Controleren op updates.
Step-by-Step Installation Guide for Wear OS Devices
Frequently Asked Questions
Which models are receiving the August 2026 update?
According to release data, the update is available for all Galaxy Watch 9 variations (Bluetooth and 4G) and the Galaxy Watch Ultra 2.
What is the size of the firmware file?
The download file is just under 200 MB.
Where is the update currently available?
The firmware is rolling out across the Netherlands, Belgium, and the wider European region.
How can I check if my watch has the update?
Open the Wearable app on your phone, go to Watch settings, select Watch software update, and choose Controleren op updates.
Have you installed the new update on your Galaxy Watch 9 or Watch Ultra 2 yet? Let us know in the comments below if you notice any changes to battery life or performance!
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