N981BXXSIHYH3 – Galaxy Note20 5G firmware
Build N981BXXSIHYH3 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 Aug 31, 2025 (method) and has reached
75 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 N981BXXSHHYG1 is blocked. Samsung still serves this file.
- Model
- SM-N981B
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 18
- First released
- Aug 31, 2025
- Regions
- 75
Not yet released in 1 regions that are still on an older build: 3IE.
Rollout timeline by region
The date each region code (CSC) first received N981BXXSIHYH3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
AUT | Switzerland | Aug 31, 2025 | day 0 | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ZTA | Brazil (Claro) | Sep 1, 2025 | +1 day | N981BXXSIHYH3/N981BOWOIHYH1/N981BXXSIHYH3 |
ZTM | Brazil (TIM) | Sep 1, 2025 | +1 day | N981BXXSIHYH3/N981BOWOIHYH1/N981BXXSIHYH3 |
ZTO | Brazil | Sep 1, 2025 | +1 day | N981BXXSIHYH3/N981BOWOIHYH1/N981BXXSIHYH3 |
ZVV | Brazil (Vivo) | Sep 1, 2025 | +1 day | N981BXXSIHYH3/N981BOWOIHYH1/N981BXXSIHYH3 |
GLB | Philippines (Globe) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
KSA | Saudi Arabia | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
THL | Thailand | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TNL | Netherlands (T-Mobile) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XFA | South Africa | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XFV | South Africa (Vodacom) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XSG | United Arab Emirates | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XTC | Philippines | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ATL | Spain (Vodafone) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
BOG | France (Bouygues) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
BTB | United Kingdom (BT) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
CNX | Romania (Vodafone) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
CRO | Croatia | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
DTM | Germany (Telekom) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
EVR | United Kingdom (EE) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
FTM | France (Orange) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ATO | Austria | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
BGL | Bulgaria | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
BTU | United Kingdom | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ITV | Italy | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
LUX | Luxemburg | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
MEO | Portugal (MEO) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
MOB | Austria (A1) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
MOT | Slovenia (Telekom) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
NEE | Nordic countries | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
O2C | Czech Republic (O2) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
O2U | United Kingdom (O2) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
OMN | Italy (Vodafone) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
OPS | Australia (Optus) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
OPV | Poland (Orange) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ORO | Romania (Orange) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
PHE | Spain | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
PHN | Netherlands | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
PLS | Poland (Plus) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
PRT | Poland (Play) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
ROM | Romania | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
SFR | France (SFR) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
SIM | Slovenia (A1) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
SIO | Slovenia | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
SWC | Switzerland | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TCL | Portugal (Vodafone) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TEL | Australia (Telstra) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TIM | Italy (TIM) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TMH | Hungary (Telekom) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TMS | Slovakia (Telekom) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TMZ | Czech Republic (T-Mobile) | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TPH | Portugal | Sep 8, 2025 | +8 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
TPL | Poland (T-Mobile) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VAU | Australia (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VD2 | Germany (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VDF | Netherlands (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VDI | Ireland (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VIP | Croatia (A1) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
VOD | United Kingdom (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XEC | Spain (Movistar) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XEF | France | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XEH | Hungary | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XEO | Poland | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XEZ | Czech Republic | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XME | Malaysia | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
XSA | Australia | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
DBT | Germany | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH4 |
MM1 | Singapore (M1) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
NZC | New Zealand | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
SIN | Singapore (Singtel) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
STH | Singapore (StarHub) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
TNZ | New Zealand (Spark) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
VNZ | New Zealand (Vodafone) | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
XSP | Singapore | Sep 9, 2025 | +9 days | N981BXXSIHYH3/N981BOXMIHYH4/N981BXXSIHYH3 |
SLK | Sri Lanka | Sep 14, 2025 | +14 days | N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH3 |
Download and release notes
samloader download -m SM-N981B -r DBT -v N981BXXSIHYH3/N981BOXMIHYH3/N981BXXSIHYH4Samsung'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 N981BXXSIHYH3.