S711NKSSIEZJ2 – Galaxy S23 FE firmware
Build S711NKSSIEZJ2 is a security update for the Galaxy S23 FE (SM-S711N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 25, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 18, so downgrading to the previous build S711NKSSIEZI2 is still possible. Samsung still serves this file.
- Model
- SM-S711N
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 18
- First released
- Oct 25, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received S711NKSSIEZJ2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 25, 2026 | day 0 | S711NKSSIEZJ2/S711NOKRIEZJ2/S711NKOSIEZJ2 |
KTC | South Korea (KT) | Oct 25, 2026 | day 0 | S711NKSSIEZJ2/S711NOKRIEZJ2/S711NKOSIEZJ2 |
LUC | South Korea (LG U+) | Oct 25, 2026 | day 0 | S711NKSSIEZJ2/S711NOKRIEZJ2/S711NKOSIEZJ2 |
SKC | South Korea (SKT) | Oct 25, 2026 | day 0 | S711NKSSIEZJ2/S711NOKRIEZJ2/S711NKOSIEZJ2 |
Download and release notes
samloader download -m SM-S711N -r KOO -v S711NKSSIEZJ2/S711NOKRIEZJ2/S711NKOSIEZJ2Samsung's release notes and security patch level for this update: SM-S711N / KOO on doc.samsungmobile.com. What each part of the build number means: decode S711NKSSIEZJ2.