S731U1UES9CZJ2 – Galaxy S25 FE firmware
Build S731U1UES9CZJ2 is a security update for the Galaxy S25 FE (SM-S731U1)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 26, 2026 (method) and has reached
14 regions so far. It keeps bootloader bit 9, so downgrading to the previous build S731U1UEU9CZIF is still possible. Samsung still serves this file.
- Model
- SM-S731U1
- Android
- Android 17
- Type
- Security
- Bootloader bit
- 9
- First released
- Oct 26, 2026
- Regions
- 14
Rollout timeline by region
The date each region code (CSC) first received S731U1UES9CZJ2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
AIO | USA (Cricket) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
ATT | USA (AT&T) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
CCT | USA (Comcast) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
LRA | USA (Bluegrass) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
TFN | USA (TracFone) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
VZW | USA (Verizon) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
XAR | USA (Cellular South) | Oct 26, 2026 | day 0 | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
DSA | USA | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
DSH | USA | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
TMB | USA (T-Mobile) | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
TMK | USA (MetroPCS) | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
USC | USA (US Cellular) | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
XAA | USA (unlocked) | Nov 7, 2026 | +12 days | S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2 |
Download and release notes
samloader download -m SM-S731U1 -r XAA -v S731U1UES9CZJ2/S731U1OYM9CZJ2/S731U1UES9CZJ2
Samsung's release notes and security patch level for this update: SM-S731U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode S731U1UES9CZJ2.