A576USQU4BZIE – Galaxy A57 5G firmware
Build A576USQU4BZIE is a feature update for the Galaxy A57 5G (SM-A576U)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 11, 2026 (method) and has reached
5 regions so far. It keeps bootloader bit 4, so downgrading to the previous build A576USQS4AZI2 is still possible. Samsung still serves this file.
- Model
- SM-A576U
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 4
- First released
- Oct 11, 2026
- Regions
- 5
Rollout timeline by region
The date each region code (CSC) first received A576USQU4BZIE, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
AIO | USA (Cricket) | Oct 11, 2026 | day 0 | A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIE |
ATT | USA (AT&T) | Oct 11, 2026 | day 0 | A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIE |
CCT | USA (Comcast) | Oct 11, 2026 | day 0 | A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIE |
TMB | USA (T-Mobile) | Oct 11, 2026 | day 0 | A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIE |
TMK | USA (MetroPCS) | Oct 11, 2026 | day 0 | A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIE |
Download and release notes
samloader download -m SM-A576U -r AIO -v A576USQU4BZIE/A576UOYN4BZIE/A576USQU4BZIESamsung's release notes and security patch level for this update: SM-A576U / AIO on doc.samsungmobile.com. What each part of the build number means: decode A576USQU4BZIE.