At the beginning of this month, Samsung released the October 2026 security update for the Galaxy S26 series, and now the company has rolled out the second October update for this smartphone series.
Galaxy S26 series: Second October 2026 update
The update is based on One UI 9 and comes with the October 2026 security patch only (just like the first October update). It arrives with build version: S942NKSU5BZJB/ S942NOKR5BZJB/ S942NKSU5BZJB. The size of the update is 580.37MB.
With this update, the company has applied stabilisation code related to terminal operation and security-related stabilisation code.
Currently, this update is rolling out in Korea, and the rollout is said to expand to other regions in the coming days as well. You can check its availability by going to Settings> Software update> Check for updates.
Samsung has warned users that they cannot roll back to a previous software version with a lower security patch level after installing this update.
A few months back, it was reported that Samsung has started testing the One UI 9.5 build for the Galaxy S27 series, but till now Samsung has not officially confirmed the arrival of this update. We may come across some details related to this upgrade in the coming days. Stay tuned!
