A176U1UES5AZD2 – Galaxy A17 5G firmware
Build A176U1UES5AZD2 is a security update for the Galaxy A17 5G (SM-A176U1)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Apr 28, 2026 (method) and has reached
13 regions so far. It raises the bootloader bit from 3 to 5: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to A176U1UES3AZB9 is blocked. Samsung still serves this file.
- Model
- SM-A176U1
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 5
- First released
- Apr 28, 2026
- Regions
- 13
Rollout timeline by region
The date each region code (CSC) first received A176U1UES5AZD2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
AIO | USA (Cricket) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
ATT | USA (AT&T) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
CCT | USA (Comcast) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
DSA | USA | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
DSH | USA | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
LRA | USA (Bluegrass) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
TMB | USA (T-Mobile) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
TMK | USA (MetroPCS) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
USC | USA (US Cellular) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
VZW | USA (Verizon) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
XAA | USA (unlocked) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
XAR | USA (Cellular South) | Apr 28, 2026 | day 0 | A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2 |
Download and release notes
samloader download -m SM-A176U1 -r XAA -v A176U1UES5AZD2/A176U1OYM5AZD2/A176U1UES5AZD2Samsung's release notes and security patch level for this update: SM-A176U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A176U1UES5AZD2.