G990WVLSNIZE1 – Galaxy S21 FE 5G firmware

Build G990WVLSNIZE1 is a security update for the Galaxy S21 FE 5G (SM-G990W) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 4, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 22 to 23: once installed, the device no longer accepts firmware with bit 22 or lower, so a downgrade to G990WVLSMIZB2 is blocked. Samsung still serves this file.

Model
SM-G990W
Android
Android 16
Type
Security
Bootloader bit
23
First released
Jun 4, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received G990WVLSNIZE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
BWACanadaJun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
ESKCanada (Eastlink)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
FMCCanada (Fido)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
GLWCanada (Freedom)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
KDOCanada (Koodo)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
RWCCanada (Rogers)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
TLSCanada (Telus)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
VMCCanada (Virgin)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
VTRCanada (Videotron)Jun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1
XACCanadaJun 4, 2026day 0G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1

Download and release notes

samloader download -m SM-G990W -r BMC -v G990WVLSNIZE1/G990WOYVNIZE1/G990WVLSNIZE1

Samsung's release notes and security patch level for this update: SM-G990W / BMC on doc.samsungmobile.com. What each part of the build number means: decode G990WVLSNIZE1.