A376U1UES5AZH1 – Galaxy A37 5G firmware
Build A376U1UES5AZH1 is a security update for the Galaxy A37 5G (SM-A376U1)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 10, 2026 (method) and has reached
12 regions so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to A376U1UES4AZG1 is blocked. Samsung still serves this file.
- Model
- SM-A376U1
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 5
- First released
- Sep 10, 2026
- Regions
- 12
Rollout timeline by region
The date each region code (CSC) first received A376U1UES5AZH1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
AIO | USA (Cricket) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
ATT | USA (AT&T) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
CCT | USA (Comcast) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
DSA | USA | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
DSH | USA | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
LRA | USA (Bluegrass) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
TMB | USA (T-Mobile) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
TMK | USA (MetroPCS) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
VZW | USA (Verizon) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
XAA | USA (unlocked) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
XAR | USA (Cellular South) | Sep 10, 2026 | day 0 | A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1 |
Download and release notes
samloader download -m SM-A376U1 -r XAA -v A376U1UES5AZH1/A376U1OYM5AZH1/A376U1UES5AZH1
Samsung's release notes and security patch level for this update: SM-A376U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A376U1UES5AZH1.