A042MUBSHEZF1 – Galaxy A04e firmware

Build A042MUBSHEZF1 is a security update for the Galaxy A04e (SM-A042M) on Android 14 (One UI 6). It first appeared on Samsung's servers on Jun 22, 2026 (method) and has reached 35 regions so far. It raises the bootloader bit from 16 to 17: once installed, the device no longer accepts firmware with bit 16 or lower, so a downgrade to A042MUBSGEZB4 is blocked. Samsung still serves this file.

Model
SM-A042M
Android
Android 14
Type
Security
Bootloader bit
17
First released
Jun 22, 2026
Regions
35

Rollout timeline by region

The date each region code (CSC) first received A042MUBSHEZF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CHEChile (Entel)Jun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
CHLChile (Claro)Jun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
CHOChileJun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
CHTChile (Movistar)Jun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
CHXChileJun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
PEOPeruJun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
PETPeru (Movistar)Jun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
PNTPanamaJun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
SAMOceaniaJun 22, 2026day 0A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
AROArgentinaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
BVOBoliviaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
CGUGuatemala (Claro)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
COBColombia (Movistar)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
COLColombiaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
COMColombia (Claro)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWAHEZF1/A042MUBSHEZF1
COOColombiaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
CTIArgentina (Claro)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
DORDominican RepublicJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
EBEEcuadorJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
ECOEcuadorJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
GLONigeria (Glo)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
GTOGuatemalaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
IUSMexico (AT&T)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
MXOMexicoJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
PGUGuatemalaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1
PSNArgentina (Personal)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
TCEMexico (Telcel)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
TGPParaguayJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
TMMMyanmarJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
TPAPanamaJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
UFNArgentina (Movistar)Jun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
UPOUruguayJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
UYOUruguayJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWOHEZF1/A042MUBSHEZF1
CDRDominican RepublicJun 23, 2026+1 dayA042MUBSHEZF1/A042MOWAHEZF1/A042MUBSHEZF1
NBSLatin America (open market)Jul 2, 2026+10 daysA042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1

Download and release notes

samloader download -m SM-A042M -r CHE -v A042MUBSHEZF1/A042MOWBHEZF1/A042MUBSHEZF1

Samsung's release notes and security patch level for this update: SM-A042M / CHE on doc.samsungmobile.com. What each part of the build number means: decode A042MUBSHEZF1.