A066BXXS6BZE2 – Galaxy A06 5G firmware

Build A066BXXS6BZE2 is a security update for the Galaxy A06 5G (SM-A066B) on Android 16 (One UI 8). It first appeared on Samsung's servers on May 17, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 6, so downgrading to the previous build A066BXXS6BZE1 is still possible. Samsung still serves this file.

Model
SM-A066B
Android
Android 16
Type
Security
Bootloader bit
6
First released
May 17, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received A066BXXS6BZE2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AFRAfricaMay 17, 2026day 0A066BXXS6BZE2/A066BOJV6BZE2/A066BXXS6BZE2
DKRSenegalMay 17, 2026day 0A066BXXS6BZE2/A066BOJV6BZE2/A066BXXS6BZE2
ECTNigeriaMay 17, 2026day 0A066BXXS6BZE2/A066BOJV6BZE2/A066BXXS6BZE2
XFASouth AfricaMay 17, 2026day 0A066BXXS6BZE2/A066BOJV6BZE2/A066BXXS6BZE2
GLBPhilippines (Globe)May 18, 2026+1 dayA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
THLThailandMay 18, 2026+1 dayA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XMEMalaysiaMay 18, 2026+1 dayA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XTCPhilippinesMay 18, 2026+1 dayA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XXVVietnamMay 18, 2026+1 dayA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XIDIndonesiaMay 19, 2026+2 daysA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XNZNew ZealandMay 19, 2026+2 daysA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2
XSPSingaporeMay 24, 2026+7 daysA066BXXS6BZE2/A066BOLM6BZE2/A066BXXS6BZE2

Download and release notes

samloader download -m SM-A066B -r AFR -v A066BXXS6BZE2/A066BOJV6BZE2/A066BXXS6BZE2

Samsung's release notes and security patch level for this update: SM-A066B / AFR on doc.samsungmobile.com. What each part of the build number means: decode A066BXXS6BZE2.