A276U1UES2AZG2 – Galaxy A27 5G firmware
Build A276U1UES2AZG2 is a security update for the Galaxy A27 5G (SM-A276U1)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 30, 2026 (method) and has reached
12 regions so far. It raises the bootloader bit from 1 to 2: once installed, the device no longer accepts firmware with bit 1 or lower, so a downgrade to A276U1UEU1AZF1 is blocked. Samsung still serves this file.
- Model
- SM-A276U1
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 2
- First released
- Jul 30, 2026
- Regions
- 12
Rollout timeline by region
The date each region code (CSC) first received A276U1UES2AZG2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
AIO | USA (Cricket) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
ATT | USA (AT&T) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
CCT | USA (Comcast) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
DSA | USA | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
DSH | USA | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
LRA | USA (Bluegrass) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
TMB | USA (T-Mobile) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
TMK | USA (MetroPCS) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
VZW | USA (Verizon) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
XAA | USA (unlocked) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
XAR | USA (Cellular South) | Jul 30, 2026 | day 0 | A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2 |
Download and release notes
samloader download -m SM-A276U1 -r XAA -v A276U1UES2AZG2/A276U1OYM2AZG2/A276U1UES2AZG2Samsung's release notes and security patch level for this update: SM-A276U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A276U1UES2AZG2.