A307GUBS6CWG1 – Galaxy A30s firmware

Build A307GUBS6CWG1 is a security update for the Galaxy A30s (SM-A307G) on Android 11 (One UI 3). It first appeared on Samsung's servers on Jul 20, 2023 (method) and has reached 5 regions so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to A307GUBU5CWD1 is blocked. Samsung still serves this file.

Model
SM-A307G
Android
Android 11
Type
Security
Bootloader bit
6
First released
Jul 20, 2023
Regions
5

Rollout timeline by region

The date each region code (CSC) first received A307GUBS6CWG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
IUSMexico (AT&T)Jul 20, 2023day 0A307GUBS6CWG1/A307GOWC6CWG1/A307GDXS6CWG1
CHEChile (Entel)Aug 1, 2023+12 daysA307GUBS6CWG1/A307GOWE6CWG1/A307GDXS6CWG1
DORDominican RepublicAug 4, 2023+15 daysA307GUBS6CWG1/A307GOWE6CWG1/A307GDXS6CWG1
PNTPanamaAug 7, 2023+18 daysA307GUBS6CWG1/A307GOWE6CWG1/A307GDXS6CWG1
CHXChileAug 11, 2023+22 daysA307GUBS6CWG1/A307GOWE6CWG1/A307GDXS6CWG1

Download and release notes

samloader download -m SM-A307G -r IUS -v A307GUBS6CWG1/A307GOWC6CWG1/A307GDXS6CWG1

Samsung's release notes and security patch level for this update: SM-A307G / IUS on doc.samsungmobile.com. What each part of the build number means: decode A307GUBS6CWG1.