G990W2VLSJIZA1 – Galaxy S21 FE 5G firmware

Build G990W2VLSJIZA1 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 Jan 29, 2026 (method) and has reached 11 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 G990W2VLSIIYK2 is blocked. Samsung still serves this file.

Model
SM-G990W2
Android
Android 16
Type
Security
Bootloader bit
19
First released
Jan 29, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received G990W2VLSJIZA1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
BWACanadaJan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
ESKCanada (Eastlink)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
FMCCanada (Fido)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
GLWCanada (Freedom)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
KDOCanada (Koodo)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
RWCCanada (Rogers)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
TLSCanada (Telus)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
VMCCanada (Virgin)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
VTRCanada (Videotron)Jan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1
XACCanadaJan 29, 2026day 0G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1

Download and release notes

samloader download -m SM-G990W2 -r BMC -v G990W2VLSJIZA1/G990W2OYVJIZA1/G990W2VLSJIZA1

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 G990W2VLSJIZA1.