S937NKSSBDZJ2 – Galaxy S25 Edge firmware

Build S937NKSSBDZJ2 is a security update for the Galaxy S25 Edge (SM-S937N) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 18, 2026 (method) and has reached 4 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to S937NKSUADZIF is blocked. Samsung still serves this file.

Model
SM-S937N
Android
Android 17
Type
Security
Bootloader bit
11
First released
Oct 18, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received S937NKSSBDZJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaOct 18, 2026day 0S937NKSSBDZJ2/S937NOKRBDZJ2/S937NKSSBDZJ1
KTCSouth Korea (KT)Oct 18, 2026day 0S937NKSSBDZJ2/S937NOKRBDZJ2/S937NKSSBDZJ1
LUCSouth Korea (LG U+)Oct 18, 2026day 0S937NKSSBDZJ2/S937NOKRBDZJ2/S937NKSSBDZJ1
SKCSouth Korea (SKT)Oct 18, 2026day 0S937NKSSBDZJ2/S937NOKRBDZJ2/S937NKSSBDZJ1

Download and release notes

samloader download -m SM-S937N -r KOO -v S937NKSSBDZJ2/S937NOKRBDZJ2/S937NKSSBDZJ1

Samsung's release notes and security patch level for this update: SM-S937N / KOO on doc.samsungmobile.com. What each part of the build number means: decode S937NKSSBDZJ2.