A066BXXU6CZE6 – Galaxy A06 5G firmware

Build A066BXXU6CZE6 is a feature update for the Galaxy A06 5G (SM-A066B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 1, 2026 (method) and has reached 13 regions so far. It keeps bootloader bit 6, so downgrading to the previous build A066BXXS6BZE2 is still possible. Samsung still serves this file.

Model
SM-A066B
Android
Android 16
Type
Feature
Bootloader bit
6
First released
Jun 1, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A066BXXU6CZE6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaJun 1, 2026day 0A066BXXU6CZE6/A066BODM6CZE6/A066BXXU6CZE6
AFRAfricaJun 3, 2026+2 daysA066BXXU6CZE6/A066BOJV6CZE6/A066BXXU6CZE6
DKRSenegalJun 3, 2026+2 daysA066BXXU6CZE6/A066BOJV6CZE6/A066BXXU6CZE6
ECTNigeriaJun 3, 2026+2 daysA066BXXU6CZE6/A066BOJV6CZE6/A066BXXU6CZE6
XFASouth AfricaJun 3, 2026+2 daysA066BXXU6CZE6/A066BOJV6CZE6/A066BXXU6CZE6
GLBPhilippines (Globe)Jun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
THLThailandJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XMEMalaysiaJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XNZNew ZealandJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XSPSingaporeJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XTCPhilippinesJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XXVVietnamJun 3, 2026+2 daysA066BXXU6CZE6/A066BOLM6CZE6/A066BXXU6CZE6
XIDIndonesiaJun 7, 2026+6 daysA066BXXU6CZE6/A066BOLM6CZE7/A066BXXU6CZE6

Download and release notes

samloader download -m SM-A066B -r INS -v A066BXXU6CZE6/A066BODM6CZE6/A066BXXU6CZE6

Samsung's release notes and security patch level for this update: SM-A066B / INS on doc.samsungmobile.com. What each part of the build number means: decode A066BXXU6CZE6.