G990W2VLSNIZI2 – Galaxy S21 FE 5G firmware

Build G990W2VLSNIZI2 is a security update for the Galaxy S21 FE 5G (SM-G990W2) on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 22, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 21 to 23: once installed, the device no longer accepts firmware with bit 21 or lower, so a downgrade to G990W2VLSLIZF1 is blocked. Samsung still serves this file.

Model
SM-G990W2
Android
Android 16
Type
Security
Bootloader bit
23
First released
Oct 22, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received G990W2VLSNIZI2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
BWACanadaOct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
ESKCanada (Eastlink)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
FMCCanada (Fido)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
GLWCanada (Freedom)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
KDOCanada (Koodo)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
RWCCanada (Rogers)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
TLSCanada (Telus)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
VMCCanada (Virgin)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
VTRCanada (Videotron)Oct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2
XACCanadaOct 22, 2026day 0G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2

Download and release notes

samloader download -m SM-G990W2 -r BMC -v G990W2VLSNIZI2/G990W2OYVNIZI2/G990W2VLSNIZI2

Samsung's release notes and security patch level for this update: SM-G990W2 / BMC on doc.samsungmobile.com. What each part of the build number means: decode G990W2VLSNIZI2.