Just days after the initial global rollout of the April 2026 security patch, Samsung is pushing yet another software update to its Galaxy S26 lineup.

The new firmware, carrying a build number ending in AZD4, is currently making its debut in Mexico. If history is any indicator, the tech giant is expected to expand this release to additional markets in the coming days.

Interestingly, the release notes for this update are virtually identical to the previous version. The official changelog mirrors the earlier AZCO firmware, leaving users in the dark about the exact changes Samsung has implemented under the hood.

Routine updates of this nature are often deployed to silently address minor, region-specific bugs. These stealth fixes can include cellular network optimizations, carrier compatibility enhancements, or subtle system tweaks that don't warrant an explicit mention in the patch notes. It is also entirely possible that this patch is laying the groundwork for a broader feature update in the near future.

The update arrives just as some Galaxy S26 users have been reporting recent camera-related issues, such as blurry zoomed-in shots or focus errors during macro photography. However, there is no official confirmation yet on whether the AZD4 patch addresses these specific glitches.

For now, the rollout remains geographically limited, with Mexico being the only confirmed market. Galaxy S26 owners can manually check for the update by navigating to Settings > Software update > Download and install.