A307GUBS6CWH1 – Galaxy A30s firmware

Build A307GUBS6CWH1 is a security update for the Galaxy A30s (SM-A307G) on Android 11 (One UI 3). It first appeared on Samsung's servers on Sep 1, 2023 (method) and has reached 8 regions so far. It keeps bootloader bit 6, so downgrading to the previous build A307GUBS6CWH2 is still possible. Samsung still serves this file.

Model
SM-A307G
Android
Android 11
Type
Security
Bootloader bit
6
First released
Sep 1, 2023
Regions
8

Rollout timeline by region

The date each region code (CSC) first received A307GUBS6CWH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
COMColombia (Claro)Sep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
CRCCosta RicaSep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
CTIArgentina (Claro)Sep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
PETPeru (Movistar)Sep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
PGUGuatemalaSep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
TCEMexico (Telcel)Sep 1, 2023day 0A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
CDRDominican RepublicSep 12, 2023+11 daysA307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2
CHLChile (Claro)Sep 14, 2023+13 daysA307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2

Download and release notes

samloader download -m SM-A307G -r COM -v A307GUBS6CWH1/A307GOWA6CWH1/A307GDXS6CWH2

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 A307GUBS6CWH1.