N981BXXSGHYD1 – Galaxy Note20 5G firmware

Build N981BXXSGHYD1 is a security update for the Galaxy Note20 5G (SM-N981B) on Android 13 (One UI 5). It first appeared on Samsung's servers on Apr 27, 2025 (method) and has reached 75 regions so far. It raises the bootloader bit from 15 to 16: once installed, the device no longer accepts firmware with bit 15 or lower, so a downgrade to N981BXXSFHXL1 is blocked. Samsung still serves this file.

Model
SM-N981B
Android
Android 13
Type
Security
Bootloader bit
16
First released
Apr 27, 2025
Regions
75

Rollout timeline by region

The date each region code (CSC) first received N981BXXSGHYD1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AUTSwitzerlandApr 27, 2025day 0N981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
SLKSri LankaApr 27, 2025day 0N981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ATLSpain (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ATOAustriaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
BGLBulgariaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
BOGFrance (Bouygues)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
BTBUnited Kingdom (BT)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
BTUUnited KingdomApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
CNXRomania (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
CROCroatiaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
DTMGermany (Telekom)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
EVRUnited Kingdom (EE)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
FTMFrance (Orange)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
GLBPhilippines (Globe)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ITVItalyApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
KSASaudi ArabiaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
LUXLuxemburgApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
MEOPortugal (MEO)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
MOBAustria (A1)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
MOTSlovenia (Telekom)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
NEENordic countriesApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
O2CCzech Republic (O2)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
O2UUnited Kingdom (O2)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
OMNItaly (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
OPVPoland (Orange)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ORORomania (Orange)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
PHESpainApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
PHNNetherlandsApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
PLSPoland (Plus)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
PRTPoland (Play)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ROMRomaniaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
SFRFrance (SFR)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
SIMSlovenia (A1)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
SIOSloveniaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
SWCSwitzerlandApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TCLPortugal (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
THLThailandApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TIMItaly (TIM)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TMHHungary (Telekom)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TMSSlovakia (Telekom)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TMZCzech Republic (T-Mobile)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TNLNetherlands (T-Mobile)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TPHPortugalApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TPLPoland (T-Mobile)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VD2Germany (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VDFNetherlands (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VDIIreland (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VIPCroatia (A1)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VODUnited Kingdom (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XECSpain (Movistar)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XEFFranceApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XEHHungaryApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XEOPolandApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XEZCzech RepublicApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XFASouth AfricaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XFVSouth Africa (Vodacom)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XMEMalaysiaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XSAAustraliaApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XSGUnited Arab EmiratesApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
XTCPhilippinesApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
DBTGermanyApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD2
MM1Singapore (M1)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
NZCNew ZealandApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
SINSingapore (Singtel)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
STHSingapore (StarHub)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
TNZNew Zealand (Spark)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
VNZNew Zealand (Vodafone)Apr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
XSPSingaporeApr 28, 2025+1 dayN981BXXSGHYD1/N981BOXMGHYD2/N981BXXSGHYD1
OPSAustralia (Optus)May 5, 2025+8 daysN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
VAUAustralia (Vodafone)May 5, 2025+8 daysN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
TELAustralia (Telstra)May 5, 2025+8 daysN981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD1
ZTABrazil (Claro)May 29, 2025+32 daysN981BXXSGHYD1/N981BOWOGHYD1/N981BXXSGHYD1
ZTMBrazil (TIM)May 29, 2025+32 daysN981BXXSGHYD1/N981BOWOGHYD1/N981BXXSGHYD1
ZTOBrazilMay 29, 2025+32 daysN981BXXSGHYD1/N981BOWOGHYD1/N981BXXSGHYD1
ZVVBrazil (Vivo)May 29, 2025+32 daysN981BXXSGHYD1/N981BOWOGHYD1/N981BXXSGHYD1

Download and release notes

samloader download -m SM-N981B -r DBT -v N981BXXSGHYD1/N981BOXMGHYD1/N981BXXSGHYD2

Samsung's release notes and security patch level for this update: SM-N981B / DBT on doc.samsungmobile.com. What each part of the build number means: decode N981BXXSGHYD1.