The Galaxy Watch Ultra 2 and Galaxy Watch 9 are now getting their first software update in the United States. Droid Life spotted the rollout on 31 August and published the build numbers, citing a Verizon changelog that describes the release as a security patch and nothing more. Both watches went on sale roughly a month ago, so this is the first firmware either has received since launch.
What the Galaxy Watch Ultra 2 update actually contains
Not much, going by the only changelog anyone has seen. The Verizon note Droid Life cites lists a security patch and no other changes. Samsung has not published release notes of its own for the US builds.
There is a useful clue from a few days earlier, though. SamMobile reported on 27 August that Samsung had begun rolling out the Watch 9’s first update in South Korea, and that the Korean firmware carried the August 2026 security patch with fixes for 56 security issues. That was a different build string, so it is not proof of what the US release contains. It is still the closest thing to a contents list that exists right now.
The gap between the two rollouts is worth noting on its own. Korea got this update on 27 August. The US builds only appeared on 31 August. That staggered pattern is normal for Samsung wearables, but it does mean a security patch sat unshipped in most markets for the better part of a week.
Build numbers by model
These are the builds Droid Life published for US units. The Ultra 2 figure comes from Droid Life alone, since no Samsung or Verizon device page lists it.
- Galaxy Watch Ultra 2 — L715USQS1AZH4
- Galaxy Watch 9, 44mm LTE — L355USQS1AZH4
- Galaxy Watch 9, 40mm LTE — L345USQS1AZH4
Wi-Fi-only Watch 9 units get essentially the same build. Only the model identifier in the string changes.
How to install it
The update is delivered through your phone, not the watch. Open the Galaxy Wearable app, then go to Watch settings, then Watch software update, then Download and install. Keep the watch on its charger and near the phone while it runs.
If nothing appears yet, that is expected. Carrier and regional rollouts move in waves over several days.
A month-old watch deserves a changelog
Shipping a security patch quickly is the right call. Shipping it without telling owners what it fixes is not. These are watches that cost flagship money and launched barely four weeks ago, and their first firmware arrives with a one-line carrier note standing in for documentation. Samsung publishes detailed monthly security bulletins for its phones, and we covered the August 2026 patch reaching Galaxy phones across Europe earlier today with a full breakdown of what it addresses. Wearable owners get none of that. If the 56 fixes SamMobile counted in the Korean build are also in the US release, that is a substantial patch being shipped silently.
Sources: Droid Life, SamMobile
