A366U1UEU7CZE2 – Galaxy A36 5G firmware

Build A366U1UEU7CZE2 is a feature update for the Galaxy A36 5G (SM-A366U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 2, 2026 (method) and has reached 13 regions so far. It keeps bootloader bit 7, so downgrading to the previous build A366U1UES7BZDB is still possible. Samsung still serves this file.

Model
SM-A366U1
Android
Android 16
Type
Feature
Bootloader bit
7
First released
Jun 2, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A366U1UEU7CZE2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
AIOUSA (Cricket)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
ATTUSA (AT&T)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
CCTUSA (Comcast)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
DSAUSAJun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
DSHUSAJun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
LRAUSA (Bluegrass)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
TMBUSA (T-Mobile)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
TMKUSA (MetroPCS)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
USCUSA (US Cellular)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
VZWUSA (Verizon)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
XAAUSA (unlocked)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2
XARUSA (Cellular South)Jun 2, 2026day 0A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2

Download and release notes

samloader download -m SM-A366U1 -r XAA -v A366U1UEU7CZE2/A366U1OYM7CZE2/A366U1UEU7CZE2

Samsung's release notes and security patch level for this update: SM-A366U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A366U1UEU7CZE2.