M146BXXSDDZE4 – Galaxy M14 5G firmware

Build M146BXXSDDZE4 is a security update for the Galaxy M14 5G (SM-M146B) on Android 15 (One UI 7). It first appeared on Samsung's servers on May 25, 2026 (method) and has reached 22 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to M146BXXSCDZB5 is blocked. Samsung still serves this file.

Model
SM-M146B
Android
Android 15
Type
Security
Bootloader bit
13
First released
May 25, 2026
Regions
22

Rollout timeline by region

The date each region code (CSC) first received M146BXXSDDZE4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XIDIndonesiaMay 25, 2026day 0M146BXXSDDZE4/M146BOLEDDZE4/M146BXXSDDZE3
THLThailandMay 25, 2026day 0M146BXXSDDZE4/M146BOLMDDZE4/M146BXXSDDZE3
XMEMalaysiaMay 25, 2026day 0M146BXXSDDZE4/M146BOLMDDZE4/M146BXXSDDZE3
XXVVietnamMay 25, 2026day 0M146BXXSDDZE4/M146BOLMDDZE4/M146BXXSDDZE3
CAUCaucasusMay 27, 2026+2 daysM146BXXSDDZE4/M146BOXMDDZE4/M146BXXSDDZE3
SEKUkraineMay 27, 2026+2 daysM146BXXSDDZE4/M146BOXMDDZE4/M146BXXSDDZE3
SERRussiaMay 27, 2026+2 daysM146BXXSDDZE4/M146BOXMDDZE4/M146BXXSDDZE3
SKZKazakhstanMay 27, 2026+2 daysM146BXXSDDZE4/M146BOXMDDZE4/M146BXXSDDZE3
KSASaudi ArabiaMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
LYSLibyaMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
MIDMiddle EastMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
TUNTunisiaMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
TURTurkeyMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
XSGUnited Arab EmiratesMay 31, 2026+6 daysM146BXXSDDZE4/M146BOJMDDZE4/M146BXXSDDZE3
BRITaiwanMay 31, 2026+6 daysM146BXXSDDZE4/M146BBRIDDZE4/M146BXXSDDZE3
COOColombiaJun 1, 2026+7 daysM146BXXSDDZE4/M146BOWODDZE2/M146BXXSDDZE3
PEOPeruJun 1, 2026+7 daysM146BXXSDDZE4/M146BOWODDZE2/M146BXXSDDZE3
ZTOBrazilJun 1, 2026+7 daysM146BXXSDDZE4/M146BOWODDZE2/M146BXXSDDZE3
BKDBangladeshJun 2, 2026+8 daysM146BXXSDDZE4/M146BODMDDZE4/M146BXXSDDZE3
INSIndiaJun 2, 2026+8 daysM146BXXSDDZE4/M146BODMDDZE4/M146BXXSDDZE3
NPBNepalJun 2, 2026+8 daysM146BXXSDDZE4/M146BODMDDZE4/M146BXXSDDZE3
SLKSri LankaJun 2, 2026+8 daysM146BXXSDDZE4/M146BODMDDZE4/M146BXXSDDZE3

Download and release notes

samloader download -m SM-M146B -r INS -v M146BXXSDDZE4/M146BODMDDZE4/M146BXXSDDZE3

Samsung's release notes and security patch level for this update: SM-M146B / INS on doc.samsungmobile.com. What each part of the build number means: decode M146BXXSDDZE4.