S937BXXSACZH1 – Galaxy S25 Edge firmware

Build S937BXXSACZH1 is a security update for the Galaxy S25 Edge (SM-S937B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached 30 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to S937BXXS9CZG3 is blocked. Samsung still serves this file.

Model
SM-S937B
Android
Android 16
Type
Security
Bootloader bit
10
First released
Aug 30, 2026
Regions
30

Rollout timeline by region

The date each region code (CSC) first received S937BXXSACZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
EUXEurope (Multi-CSC)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
EUYEurope (Multi-CSC)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
ILOIsraelAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
INSIndiaAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
KSASaudi ArabiaAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
MEOPortugal (MEO)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
MOBAustria (A1)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
OPSAustralia (Optus)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
PLSPoland (Plus)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
PRTPoland (Play)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
SFRFrance (SFR)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
SWCSwitzerlandAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
TELAustralia (Telstra)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
TURTurkeyAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
VAUAustralia (Vodafone)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XFASouth AfricaAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XFVSouth Africa (Vodacom)Aug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XIDIndonesiaAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XSAAustraliaAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XSGUnited Arab EmiratesAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XSPSingaporeAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
XXVVietnamAug 30, 2026day 0S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1
ZTOBrazilAug 31, 2026+1 dayS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
MXOMexicoSep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
ZTMBrazil (TIM)Sep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
ZVVBrazil (Vivo)Sep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
IUSMexico (AT&T)Sep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
TCEMexico (Telcel)Sep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1
ZTABrazil (Claro)Sep 1, 2026+2 daysS937BXXSACZH1/S937BOWOACZH1/S937BXXSACZH1

Download and release notes

samloader download -m SM-S937B -r EUX -v S937BXXSACZH1/S937BOXMACZH1/S937BXXSACZH1

Samsung's release notes and security patch level for this update: SM-S937B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S937BXXSACZH1.