S928U1UES6EZJ1 – Galaxy S24 Ultra firmware
Build S928U1UES6EZJ1 is a security update for the Galaxy S24 Ultra (SM-S928U1)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 29, 2026 (method) and has reached
8 regions so far. It keeps bootloader bit 6, so downgrading to the previous build S928U1UEU6EZIF is still possible. Samsung still serves this file.
- Model
- SM-S928U1
- Android
- Android 17
- Type
- Security
- Bootloader bit
- 6
- First released
- Oct 29, 2026
- Regions
- 8
Not yet released in 6 regions that are still on an older build: DSA, DSH, TMB, TMK, USC, XAA.
Rollout timeline by region
The date each region code (CSC) first received S928U1UES6EZJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
AIO | USA (Cricket) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
ATT | USA (AT&T) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
CCT | USA (Comcast) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
LRA | USA (Bluegrass) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
TFN | USA (TracFone) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
VZW | USA (Verizon) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
XAR | USA (Cellular South) | Oct 29, 2026 | day 0 | S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1 |
Download and release notes
samloader download -m SM-S928U1 -r ACG -v S928U1UES6EZJ1/S928U1OYM6EZJ1/S928U1UES6EZJ1
Samsung's release notes and security patch level for this update: SM-S928U1 / ACG on doc.samsungmobile.com. What each part of the build number means: decode S928U1UES6EZJ1.