A376U1UES4AZG1 – Galaxy A37 5G firmware

Build A376U1UES4AZG1 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 Aug 4, 2026 (method) and has reached 12 regions so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to A376U1UES3AZF1 is blocked. Samsung still serves this file.

Model
SM-A376U1
Android
Android 16
Type
Security
Bootloader bit
4
First released
Aug 4, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received A376U1UES4AZG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
AIOUSA (Cricket)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
ATTUSA (AT&T)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
CCTUSA (Comcast)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
DSAUSAAug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
DSHUSAAug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
LRAUSA (Bluegrass)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
TMBUSA (T-Mobile)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
TMKUSA (MetroPCS)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
VZWUSA (Verizon)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
XAAUSA (unlocked)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1
XARUSA (Cellular South)Aug 4, 2026day 0A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1

Download and release notes

samloader download -m SM-A376U1 -r XAA -v A376U1UES4AZG1/A376U1OYM4AZG1/A376U1UES4AZG1

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 A376U1UES4AZG1.