Samsung releases large stability update for Galaxy S25 series

Samsung has released an unusual 698 MB firmware update for the Galaxy S25, S25+, and S25 Ultra series in South Korea. This second October patch deviates from the standard release schedule, as it arrives instead of the expected November security update.

The update, identified by the build suffix DZJB, focuses exclusively on terminal stabilization code to address unresolved issues following the transition to Android 17 (One UI 9). While the security patch level remains frozen at October 2026, the significant size of the download suggests extensive functional corrections are being implemented to improve system stability.

Separately, reports suggest Samsung may be evaluating a policy change regarding software support for older Galaxy Watch models. While these devices would likely continue to receive security updates, they might no longer receive new features or operating system upgrades, potentially reversing the extended support policies previously established for newer series.