S936NKSSCCZH2 – Galaxy S25+ firmware

Build S936NKSSCCZH2 is a security update for the Galaxy S25+ (SM-S936N) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 25, 2026 (method) and has reached 4 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to S936NKSSBCZG3 is blocked. Samsung still serves this file.

Model
SM-S936N
Android
Android 16
Type
Security
Bootloader bit
12
First released
Aug 25, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received S936NKSSCCZH2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaAug 25, 2026day 0S936NKSSCCZH2/S936NOKRCCZH2/S936NKSSCCZH1
KTCSouth Korea (KT)Aug 25, 2026day 0S936NKSSCCZH2/S936NOKRCCZH2/S936NKSSCCZH1
LUCSouth Korea (LG U+)Aug 25, 2026day 0S936NKSSCCZH2/S936NOKRCCZH2/S936NKSSCCZH1
SKCSouth Korea (SKT)Aug 25, 2026day 0S936NKSSCCZH2/S936NOKRCCZH2/S936NKSSCCZH1

Download and release notes

samloader download -m SM-S936N -r KOO -v S936NKSSCCZH2/S936NOKRCCZH2/S936NKSSCCZH1

Samsung's release notes and security patch level for this update: SM-S936N / KOO on doc.samsungmobile.com. What each part of the build number means: decode S936NKSSCCZH2.