S901BXXSKGYK5 – Galaxy S22 firmware

Build S901BXXSKGYK5 is a security update for the Galaxy S22 (SM-S901B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Nov 24, 2025 (method) and has reached 22 regions so far. It raises the bootloader bit from 19 to 20: once installed, the device no longer accepts firmware with bit 19 or lower, so a downgrade to S901BXXUJGYJ3 is blocked. Samsung still serves this file.

Model
SM-S901B
Android
Android 16
Type
Security
Bootloader bit
20
First released
Nov 24, 2025
Regions
22

Rollout timeline by region

The date each region code (CSC) first received S901BXXSKGYK5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
BTBUnited Kingdom (BT)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
CAUCaucasusNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
EUXEurope (Multi-CSC)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
EUYEurope (Multi-CSC)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
EVRUnited Kingdom (EE)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
MEOPortugal (MEO)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
MOBAustria (A1)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
MOTSlovenia (Telekom)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
MSRSerbiaNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
O2CCzech Republic (O2)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
PLSPoland (Plus)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
PRTPoland (Play)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SEKUkraineNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SERRussiaNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SFRFrance (SFR)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SIMSlovenia (A1)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SKZKazakhstanNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
SWCSwitzerlandNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
TIMItaly (TIM)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
TOPSerbia/MontenegroNov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5
VIPCroatia (A1)Nov 24, 2025day 0S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5

Download and release notes

samloader download -m SM-S901B -r EUX -v S901BXXSKGYK5/S901BOXMKGYK5/S901BXXSKGYK5

Samsung's release notes and security patch level for this update: SM-S901B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S901BXXSKGYK5.