M307FNXXU4CUJ2 – Galaxy M30s firmware

Build M307FNXXU4CUJ2 is a feature update for the Galaxy M30s (SM-M307FN) on Android 11 (One UI 3). It first appeared on Samsung's servers on Nov 2, 2021 (method) and has reached 13 regions so far. It keeps bootloader bit 4, so downgrading to the previous build M307FNXXU4CUH6 is still possible. Samsung still serves this file.

Model
SM-M307FN
Android
Android 11
Type
Feature
Bootloader bit
4
First released
Nov 2, 2021
Regions
13

Rollout timeline by region

The date each region code (CSC) first received M307FNXXU4CUJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SEKUkraineNov 2, 2021day 0M307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
BTUUnited KingdomNov 12, 2021+10 daysM307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
DBTGermanyNov 12, 2021+10 daysM307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
ITVItalyNov 12, 2021+10 daysM307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
PHESpainNov 12, 2021+10 daysM307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
SERRussiaNov 12, 2021+10 daysM307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1
EGYEgyptDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
KSASaudi ArabiaDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
MIDMiddle EastDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
MWDMoroccoDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
TUNTunisiaDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
TURTurkeyDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1
XSGUnited Arab EmiratesDec 16, 2021+44 daysM307FNXXU4CUJ2/M307FNOJM4CUJ2/M307FNJXU4CUJ1

Download and release notes

samloader download -m SM-M307FN -r DBT -v M307FNXXU4CUJ2/M307FNOXM4CUJ2/M307FNJXU4CUJ1

Samsung's release notes and security patch level for this update: SM-M307FN / DBT on doc.samsungmobile.com. What each part of the build number means: decode M307FNXXU4CUJ2.