A146MUBSDDZE1 – Galaxy A14 5G firmware

Build A146MUBSDDZE1 is a security update for the Galaxy A14 5G (SM-A146M) on Android 15 (One UI 7). It first appeared on Samsung's servers on Jun 1, 2026 (method) and has reached 31 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to A146MUBSCDZB2 is blocked. Samsung still serves this file.

Model
SM-A146M
Android
Android 15
Type
Security
Bootloader bit
13
First released
Jun 1, 2026
Regions
31

Rollout timeline by region

The date each region code (CSC) first received A146MUBSDDZE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
CTIArgentina (Claro)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
GTOGuatemalaJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
IUSMexico (AT&T)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
MXOMexicoJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
PSNArgentina (Personal)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
TCEMexico (Telcel)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
TMMMyanmarJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
TPAPanamaJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
UFNArgentina (Movistar)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
UPOUruguayJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
UYOUruguayJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
ZTABrazil (Claro)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
ZTMBrazil (TIM)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
ZTOBrazilJun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
ZVVBrazil (Vivo)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1
CHEChile (Entel)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CHLChile (Claro)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CHOChileJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CHTChile (Movistar)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CHXChileJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
COOColombiaJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CRCCosta RicaJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
DORDominican RepublicJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
GLONigeria (Glo)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
PEOPeruJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
PETPeru (Movistar)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
PNTPanamaJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CDRDominican RepublicJun 1, 2026day 0A146MUBSDDZE1/A146MOWADDZE1/A146MUBSDDZD1
SAMOceaniaJun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1
CGUGuatemala (Claro)Jun 1, 2026day 0A146MUBSDDZE1/A146MOWBDDZE1/A146MUBSDDZD1

Download and release notes

samloader download -m SM-A146M -r ARO -v A146MUBSDDZE1/A146MOWODDZE1/A146MUBSDDZD1

Samsung's release notes and security patch level for this update: SM-A146M / ARO on doc.samsungmobile.com. What each part of the build number means: decode A146MUBSDDZE1.