N985FXXSIHYH3 – Galaxy Note20 UItra firmware

Build N985FXXSIHYH3 is a security update for the Galaxy Note20 UItra (SM-N985F) on Android 13 (One UI 5). It first appeared on Samsung's servers on Aug 31, 2025 (method) and has reached 63 regions so far. It raises the bootloader bit from 17 to 18: once installed, the device no longer accepts firmware with bit 17 or lower, so a downgrade to N985FXXSHHYG2 is blocked. Samsung still serves this file.

Model
SM-N985F
Android
Android 13
Type
Security
Bootloader bit
18
First released
Aug 31, 2025
Regions
63

Rollout timeline by region

The date each region code (CSC) first received N985FXXSIHYH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
DBTGermanyAug 31, 2025day 0N985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
CDRDominican RepublicSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
CHLChile (Claro)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
COMColombia (Claro)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
CRCCosta RicaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
PETPeru (Movistar)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
PGUGuatemalaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
TCEMexico (Telcel)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWAIHYH1/N985FXXSIHYH3
DORDominican RepublicSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWEIHYH2/N985FXXSIHYH3
IUSMexico (AT&T)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWEIHYH1/N985FXXSIHYH3
PNTPanamaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWEIHYH2/N985FXXSIHYH3
AROArgentinaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
BVOBoliviaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
CGUGuatemala (Claro)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
CHTChile (Movistar)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
COBColombia (Movistar)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
COLColombiaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
CTIArgentina (Claro)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
EBEEcuadorSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
PSNArgentina (Personal)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
SAMOceaniaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
TGPParaguaySep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
TMMMyanmarSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
TTTTrinidad & TobagoSep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
UFNArgentina (Movistar)Sep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
UPOUruguaySep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
UYOUruguaySep 1, 2025+1 dayN985FXXSIHYH3/N985FOWOIHYH1/N985FXXSIHYH3
CHOChileSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
COOColombiaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
GTOGuatemalaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
MXOMexicoSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
PEOPeruSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
TPAPanamaSep 1, 2025+1 dayN985FXXSIHYH3/N985FOXMIHYH4/N985FXXSIHYH3
XIDIndonesiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOLEIHYH3/N985FXXSIHYH3
ACRGhanaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
AFGAfghanistanSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
AFRAfricaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
CAMCambodiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
CAUCaucasusSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
DKRSenegalSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
ECTNigeriaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
EGYEgyptSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
ILOIsraelSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
KSASaudi ArabiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
LAOLaosSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
LYSLibyaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
MIDMiddle EastSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
MSRSerbiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
MWDMoroccoSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
MYMMyanmarSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
PAKPakistanSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
SEKUkraineSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
SERRussiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
SKZKazakhstanSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
THLThailandSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
TOPSerbia/MontenegroSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
TUNTunisiaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
XFASouth AfricaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
XSAAustraliaSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
XSGUnited Arab EmiratesSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
XTCPhilippinesSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
XXVVietnamSep 8, 2025+8 daysN985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3
CHEChile (Entel)Sep 29, 2025+29 daysN985FXXSIHYH3/N985FOWEIHYH2/N985FXXSIHYH3

Download and release notes

samloader download -m SM-N985F -r DBT -v N985FXXSIHYH3/N985FOXMIHYH3/N985FXXSIHYH3

Samsung's release notes and security patch level for this update: SM-N985F / DBT on doc.samsungmobile.com. What each part of the build number means: decode N985FXXSIHYH3.