A207MUBU3CUL1 – Galaxy A20s firmware

Build A207MUBU3CUL1 is a feature update for the Galaxy A20s (SM-A207M) on Android 11 (One UI 3). It first appeared on Samsung's servers on Dec 22, 2021 (method) and has reached 38 regions so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to A207MUBS2CUH1 is blocked. Samsung still serves this file.

Model
SM-A207M
Android
Android 11
Type
Feature
Bootloader bit
3
First released
Dec 22, 2021
Regions
38

Rollout timeline by region

The date each region code (CSC) first received A207MUBU3CUL1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CRCCosta RicaDec 22, 2021day 0A207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
CTIArgentina (Claro)Dec 22, 2021day 0A207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
ECOEcuadorDec 22, 2021day 0A207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
PETPeru (Movistar)Dec 22, 2021day 0A207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
CHLChile (Claro)Dec 24, 2021+2 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
COMColombia (Claro)Dec 24, 2021+2 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
PGUGuatemalaDec 24, 2021+2 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
CDRDominican RepublicDec 27, 2021+5 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
TCEMexico (Telcel)Dec 27, 2021+5 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
ZTABrazil (Claro)Dec 30, 2021+8 daysA207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1
PNTPanamaJan 20, 2022+29 daysA207MUBU3CUL1/A207MOWE3CUL2/A207MUBU3CUL1
ZTOBrazilJan 20, 2022+29 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
AROArgentinaJan 24, 2022+33 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
SAMOceaniaJan 24, 2022+33 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1
ZTMBrazil (TIM)Jan 24, 2022+33 daysA207MUBU3CUL1/A207MOWB3CUL2/A207MUBU3CUL1
CHTChile (Movistar)Jan 24, 2022+33 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1
PSNArgentina (Personal)Jan 29, 2022+38 daysA207MUBU3CUL1/A207MOWB3CUL2/A207MUBU3CUL1
IUSMexico (AT&T)Jan 30, 2022+39 daysA207MUBU3CUL1/A207MOWC3CUL2/A207MUBU3CUL1
TPAPanamaFeb 1, 2022+41 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
BVOBoliviaFeb 3, 2022+43 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
COOColombiaFeb 3, 2022+43 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
MXOMexicoFeb 3, 2022+43 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
GTOGuatemalaFeb 4, 2022+44 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
PEOPeruFeb 4, 2022+44 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
JDIJamaica (Digicel)Feb 7, 2022+47 daysA207MUBU3CUL1/A207MOWE3CUL2/A207MUBU3CUL1
UPOUruguayFeb 8, 2022+48 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
CGUGuatemala (Claro)Feb 10, 2022+50 daysA207MUBU3CUL1/A207MOWM3CUL2/A207MUBU3CUL1
CHOChileFeb 10, 2022+50 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
COBColombia (Movistar)Feb 10, 2022+50 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1
TMMMyanmarFeb 10, 2022+50 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1
UFNArgentina (Movistar)Feb 10, 2022+50 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1
ZVVBrazil (Vivo)Feb 10, 2022+50 daysA207MUBU3CUL1/A207MOWT3CUL3/A207MUBU3CUL1
CHEChile (Entel)Feb 10, 2022+50 daysA207MUBU3CUL1/A207MOWE3CUL2/A207MUBU3CUL1
DORDominican RepublicFeb 14, 2022+54 daysA207MUBU3CUL1/A207MOWF3CUL2/A207MUBU3CUL1
COLColombiaFeb 24, 2022+64 daysA207MUBU3CUL1/A207MOWM3CUL3/A207MUBU3CUL1
CHXChileFeb 24, 2022+64 daysA207MUBU3CUL1/A207MOWE3CUL2/A207MUBU3CUL1
UYOUruguayMar 8, 2022+76 daysA207MUBU3CUL1/A207MOWO3CUL2/A207MUBU3CUL1
EBEEcuadorMar 11, 2022+79 daysA207MUBU3CUL1/A207MOWT3CUL2/A207MUBU3CUL1

Download and release notes

samloader download -m SM-A207M -r CRC -v A207MUBU3CUL1/A207MOWA3CUL1/A207MUBU3CUL1

Samsung's release notes and security patch level for this update: SM-A207M / CRC on doc.samsungmobile.com. What each part of the build number means: decode A207MUBU3CUL1.