A307GUBU5CWC4 – Galaxy A30s firmware

Build A307GUBU5CWC4 is a feature update for the Galaxy A30s (SM-A307G) on Android 11 (One UI 3). It first appeared on Samsung's servers on Apr 12, 2023 (method) and has reached 8 regions so far. It keeps bootloader bit 5, so downgrading to the previous build A307GUBU5CWC2 is still possible. Samsung still serves this file.

Model
SM-A307G
Android
Android 11
Type
Feature
Bootloader bit
5
First released
Apr 12, 2023
Regions
8

Rollout timeline by region

The date each region code (CSC) first received A307GUBU5CWC4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
COMColombia (Claro)Apr 12, 2023day 0A307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
CTIArgentina (Claro)Apr 13, 2023+1 dayA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
PETPeru (Movistar)Apr 18, 2023+6 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
TCEMexico (Telcel)Apr 18, 2023+6 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
CRCCosta RicaApr 24, 2023+12 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
CHLChile (Claro)Apr 24, 2023+12 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
PGUGuatemalaApr 25, 2023+13 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3
CDRDominican RepublicMay 2, 2023+20 daysA307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3

Download and release notes

samloader download -m SM-A307G -r COM -v A307GUBU5CWC4/A307GOWA5CWC3/A307GDXU5CWC3

Samsung's release notes and security patch level for this update: SM-A307G / COM on doc.samsungmobile.com. What each part of the build number means: decode A307GUBU5CWC4.