A146MUBUEDZH1 – Galaxy A14 5G firmware

Build A146MUBUEDZH1 is a feature update for the Galaxy A14 5G (SM-A146M) on Android 15 (One UI 7). It first appeared on Samsung's servers on Sep 9, 2026 (method) and has reached 31 regions so far. It raises the bootloader bit from 13 to 14: once installed, the device no longer accepts firmware with bit 13 or lower, so a downgrade to A146MUBSDDZE1 is blocked. Samsung still serves this file.

Model
SM-A146M
Android
Android 15
Type
Feature
Bootloader bit
14
First released
Sep 9, 2026
Regions
31

Rollout timeline by region

The date each region code (CSC) first received A146MUBUEDZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CGUGuatemala (Claro)Sep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
COOColombiaSep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
GTOGuatemalaSep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
PEOPeruSep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
PETPeru (Movistar)Sep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
PNTPanamaSep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
SAMOceaniaSep 9, 2026day 0A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
TPAPanamaSep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
ZTABrazil (Claro)Sep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
ZTMBrazil (TIM)Sep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
ZTOBrazilSep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
ZVVBrazil (Vivo)Sep 9, 2026day 0A146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
AROArgentinaSep 14, 2026+5 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
CTIArgentina (Claro)Sep 14, 2026+5 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
PSNArgentina (Personal)Sep 14, 2026+5 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
UFNArgentina (Movistar)Sep 14, 2026+5 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
UYOUruguaySep 14, 2026+5 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
IUSMexico (AT&T)Sep 15, 2026+6 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
MXOMexicoSep 15, 2026+6 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
TCEMexico (Telcel)Sep 15, 2026+6 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
TMMMyanmarSep 15, 2026+6 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
UPOUruguaySep 22, 2026+13 daysA146MUBUEDZH1/A146MOWOEDZH1/A146MUBUEDZH1
CDRDominican RepublicSep 24, 2026+15 daysA146MUBUEDZH1/A146MOWAEDZH1/A146MUBUEDZH1
CRCCosta RicaSep 24, 2026+15 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
DORDominican RepublicSep 24, 2026+15 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
GLONigeria (Glo)Sep 24, 2026+15 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
CHEChile (Entel)Sep 30, 2026+21 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
CHLChile (Claro)Sep 30, 2026+21 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
CHOChileSep 30, 2026+21 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
CHTChile (Movistar)Sep 30, 2026+21 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1
CHXChileSep 30, 2026+21 daysA146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1

Download and release notes

samloader download -m SM-A146M -r CGU -v A146MUBUEDZH1/A146MOWBEDZH1/A146MUBUEDZH1

Samsung's release notes and security patch level for this update: SM-A146M / CGU on doc.samsungmobile.com. What each part of the build number means: decode A146MUBUEDZH1.