S937NKSSACZH2 – Galaxy S25 Edge firmware
Build S937NKSSACZH2 is a security update for the Galaxy S25 Edge (SM-S937N)
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 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to S937NKSS9CZG3 is blocked. Samsung still serves this file.
- Model
- SM-S937N
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 10
- First released
- Aug 25, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received S937NKSSACZH2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Aug 25, 2026 | day 0 | S937NKSSACZH2/S937NOKRACZH2/S937NKSSACZH1 |
KTC | South Korea (KT) | Aug 25, 2026 | day 0 | S937NKSSACZH2/S937NOKRACZH2/S937NKSSACZH1 |
LUC | South Korea (LG U+) | Aug 25, 2026 | day 0 | S937NKSSACZH2/S937NOKRACZH2/S937NKSSACZH1 |
SKC | South Korea (SKT) | Aug 25, 2026 | day 0 | S937NKSSACZH2/S937NOKRACZH2/S937NKSSACZH1 |
Download and release notes
samloader download -m SM-S937N -r KOO -v S937NKSSACZH2/S937NOKRACZH2/S937NKSSACZH1Samsung'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 S937NKSSACZH2.