A307FNXXS4CWH1 – Galaxy A30s firmware

Build A307FNXXS4CWH1 is a security update for the Galaxy A30s (SM-A307FN) on Android 11 (One UI 3). It first appeared on Samsung's servers on Aug 22, 2023 (method) and has reached 50 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 A307FNXXS3CWC2 is blocked. Samsung still serves this file.

Model
SM-A307FN
Android
Android 11
Type
Security
Bootloader bit
4
First released
Aug 22, 2023
Regions
50

Rollout timeline by region

The date each region code (CSC) first received A307FNXXS4CWH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SERRussiaAug 22, 2023day 0A307FNXXS4CWH1/A307FNOXM4CWH2/A307FNXXS4CWH1
BKDBangladeshAug 29, 2023+7 daysA307FNXXS4CWH1/A307FNODM4CWH6/A307FNXXS4CWH1
INSIndiaAug 29, 2023+7 daysA307FNXXS4CWH1/A307FNODM4CWH6/A307FNXXS4CWH1
NPBNepalAug 29, 2023+7 daysA307FNXXS4CWH1/A307FNODM4CWH6/A307FNXXS4CWH1
SLKSri LankaAug 29, 2023+7 daysA307FNXXS4CWH1/A307FNODM4CWH6/A307FNXXS4CWH1
ATLSpain (Vodafone)Sep 5, 2023+14 daysA307FNXXS4CWH1/A307FNATL4CWH1/A307FNXXS4CWH1
CROCroatiaSep 5, 2023+14 daysA307FNXXS4CWH1/A307FNCRO4CWH1/A307FNXXS4CWH1
MOTSlovenia (Telekom)Sep 5, 2023+14 daysA307FNXXS4CWH1/A307FNMOT4CWH1/A307FNXXS4CWH1
ILOIsraelSep 5, 2023+14 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
MIDMiddle EastSep 5, 2023+14 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
XFASouth AfricaSep 5, 2023+14 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
XFVSouth Africa (Vodacom)Sep 5, 2023+14 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
XSGUnited Arab EmiratesSep 5, 2023+14 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
PHESpainSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
ROMRomaniaSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
XEOPolandSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
SIOSloveniaSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
BGLBulgariaSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
EURGreeceSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
TPHPortugalSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
XEZCzech RepublicSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
LUXLuxemburgSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
SEBBaltic statesSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
AUTSwitzerlandSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
ORXSlovakiaSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
NEENordic countriesSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
DBTGermanySep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOXM4CWH1/A307FNXXS4CWH1
CAUCaucasusSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOXM4CWH1/A307FNXXS4CWH1
SKZKazakhstanSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOXM4CWH1/A307FNXXS4CWH1
SEKUkraineSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOXM4CWH1/A307FNXXS4CWH1
TCLPortugal (Vodafone)Sep 6, 2023+15 daysA307FNXXS4CWH1/A307FNTCL4CWH1/A307FNXXS4CWH1
SIMSlovenia (A1)Sep 6, 2023+15 daysA307FNXXS4CWH1/A307FNSIM4CWH1/A307FNXXS4CWH1
OMNItaly (Vodafone)Sep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOMN4CWH1/A307FNXXS4CWH1
MSRSerbiaSep 6, 2023+15 daysA307FNXXS4CWH1/A307FNMSR4CWH1/A307FNXXS4CWH1
MEOPortugal (MEO)Sep 6, 2023+15 daysA307FNXXS4CWH1/A307FNOXJ4CWH1/A307FNXXS4CWH1
ACRGhanaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
AFGAfghanistanSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
AFRAfricaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
DKRSenegalSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
ECTNigeriaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
EGYEgyptSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH3/A307FNXXS4CWH1
KSASaudi ArabiaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
LYSLibyaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
PAKPakistanSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
TUNTunisiaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
TURTurkeySep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
XFESouth AfricaSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH1/A307FNXXS4CWH1
MWDMoroccoSep 7, 2023+16 daysA307FNXXS4CWH1/A307FNOJM4CWH2/A307FNXXS4CWH1
XEHHungarySep 14, 2023+23 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1
ATOAustriaSep 17, 2023+26 daysA307FNXXS4CWH1/A307FNOEM4CWH1/A307FNXXS4CWH1

Download and release notes

samloader download -m SM-A307FN -r INS -v A307FNXXS4CWH1/A307FNODM4CWH6/A307FNXXS4CWH1

Samsung's release notes and security patch level for this update: SM-A307FN / INS on doc.samsungmobile.com. What each part of the build number means: decode A307FNXXS4CWH1.