A115MUBU4CWF1 – Galaxy A11 firmware

Build A115MUBU4CWF1 is a feature update for the Galaxy A11 (SM-A115M) on Android 12 (One UI 4). It first appeared on Samsung's servers on Jun 20, 2023 (method) and has reached 38 regions so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to A115MUBS3CWC1 is blocked. Samsung still serves this file.

Model
SM-A115M
Android
Android 12
Type
Feature
Bootloader bit
4
First released
Jun 20, 2023
Regions
38

Rollout timeline by region

The date each region code (CSC) first received A115MUBU4CWF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ZTOBrazilJun 20, 2023day 0A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
UFNArgentina (Movistar)Jun 20, 2023day 0A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
PSNArgentina (Personal)Jun 20, 2023day 0A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
CTIArgentina (Claro)Jun 20, 2023day 0A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
AROArgentinaJun 20, 2023day 0A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
COMColombia (Claro)Jun 28, 2023+8 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
COOColombiaJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
GTOGuatemalaJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
MXOMexicoJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
PEOPeruJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
PETPeru (Movistar)Jun 28, 2023+8 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
TPAPanamaJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
UPOUruguayJun 28, 2023+8 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
BVOBoliviaJun 30, 2023+10 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
COBColombia (Movistar)Jun 30, 2023+10 daysA115MUBU4CWF1/A115MOWT4CWF1/A115MUBU4CWF1
COLColombiaJun 30, 2023+10 daysA115MUBU4CWF1/A115MOWM4CWF1/A115MUBU4CWF1
IUSMexico (AT&T)Jun 30, 2023+10 daysA115MUBU4CWF1/A115MOWC4CWF1/A115MUBU4CWF1
TGPParaguayJun 30, 2023+10 daysA115MUBU4CWF1/A115MOWM4CWF1/A115MUBU4CWF1
ZTABrazil (Claro)Jun 30, 2023+10 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
ZTMBrazil (TIM)Jun 30, 2023+10 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
ZVVBrazil (Vivo)Jul 3, 2023+13 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
TCEMexico (Telcel)Jul 3, 2023+13 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
PNTPanamaJul 3, 2023+13 daysA115MUBU4CWF1/A115MOWE4CWF1/A115MUBU4CWF1
JDIJamaica (Digicel)Jul 3, 2023+13 daysA115MUBU4CWF1/A115MOWE4CWF1/A115MUBU4CWF1
ECOEcuadorJul 4, 2023+14 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
CHTChile (Movistar)Jul 5, 2023+15 daysA115MUBU4CWF1/A115MOWT4CWF1/A115MUBU4CWF1
DORDominican RepublicJul 5, 2023+15 daysA115MUBU4CWF1/A115MOWE4CWF1/A115MUBU4CWF1
SAMOceaniaJul 5, 2023+15 daysA115MUBU4CWF1/A115MOWT4CWF1/A115MUBU4CWF1
CGUGuatemala (Claro)Jul 6, 2023+16 daysA115MUBU4CWF1/A115MOWM4CWF1/A115MUBU4CWF1
PGUGuatemalaJul 6, 2023+16 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
TMMMyanmarJul 11, 2023+21 daysA115MUBU4CWF1/A115MOWT4CWF1/A115MUBU4CWF1
CHEChile (Entel)Jul 11, 2023+21 daysA115MUBU4CWF1/A115MOWE4CWF1/A115MUBU4CWF1
EBEEcuadorJul 11, 2023+21 daysA115MUBU4CWF1/A115MOWT4CWF1/A115MUBU4CWF1
CRCCosta RicaJul 13, 2023+23 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
UYOUruguayJul 13, 2023+23 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
CHLChile (Claro)Jul 18, 2023+28 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1
CHOChileJul 18, 2023+28 daysA115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1
CDRDominican RepublicJul 21, 2023+31 daysA115MUBU4CWF1/A115MOWA4CWF1/A115MUBU4CWF1

Download and release notes

samloader download -m SM-A115M -r ZTO -v A115MUBU4CWF1/A115MOWO4CWF1/A115MUBU4CWF1

Samsung's release notes and security patch level for this update: SM-A115M / ZTO on doc.samsungmobile.com. What each part of the build number means: decode A115MUBU4CWF1.