G990B2XXSJIZE1 – Galaxy S21 FE 5G firmware

Build G990B2XXSJIZE1 is a security update for the Galaxy S21 FE 5G (SM-G990B2) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 3, 2026 (method) and has reached 48 regions so far. It raises the bootloader bit from 18 to 19: once installed, the device no longer accepts firmware with bit 18 or lower, so a downgrade to G990B2XXSIIZB2 is blocked. Samsung still serves this file.

Model
SM-G990B2
Android
Android 16
Type
Security
Bootloader bit
19
First released
Jun 3, 2026
Regions
48

Rollout timeline by region

The date each region code (CSC) first received G990B2XXSJIZE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
3IEIreland (3)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
ATLSpain (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
BOGFrance (Bouygues)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
BTBUnited Kingdom (BT)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
CAUCaucasusJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
CNXRomania (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
COSGreece (Cosmote)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
CROCroatiaJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
DTMGermany (Telekom)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
EUXEurope (Multi-CSC)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
EUYEurope (Multi-CSC)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
EVRUnited Kingdom (EE)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
FTMFrance (Orange)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
H3GItaly (3)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
MEOPortugal (MEO)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
MOBAustria (A1)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
MOTSlovenia (Telekom)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
MSRSerbiaJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
O2CCzech Republic (O2)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
O2UUnited Kingdom (O2)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
OMNItaly (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
OPVPoland (Orange)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
ORORomania (Orange)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
PLSPoland (Plus)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
PRTPoland (Play)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SEKUkraineJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SERRussiaJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SFRFrance (SFR)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SIMSlovenia (A1)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SKZKazakhstanJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
SWCSwitzerlandJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TCLPortugal (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TIMItaly (TIM)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TMHHungary (Telekom)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TMSSlovakia (Telekom)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TMZCzech Republic (T-Mobile)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TNLNetherlands (T-Mobile)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TOPSerbia/MontenegroJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TPLPoland (T-Mobile)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VD2Germany (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VDFNetherlands (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VDIIreland (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VGRGreece (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VIPCroatia (A1)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
VODUnited Kingdom (Vodafone)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
XECSpain (Movistar)Jun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
TURTurkeyJun 3, 2026day 0G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2
INSIndiaJun 4, 2026+1 dayG990B2XXSJIZE1/G990B2ODMJIZE1/G990B2XXSJIZE2

Download and release notes

samloader download -m SM-G990B2 -r EUX -v G990B2XXSJIZE1/G990B2OXMJIZE1/G990B2XXSJIZE2

Samsung's release notes and security patch level for this update: SM-G990B2 / EUX on doc.samsungmobile.com. What each part of the build number means: decode G990B2XXSJIZE1.