G988NKSS3IXB1 – Galaxy S20 UItra 5G firmware

Build G988NKSS3IXB1 is a security update for the Galaxy S20 UItra 5G (SM-G988N) on Android 13 (One UI 5). It first appeared on Samsung's servers on Feb 21, 2024 (method) and has reached 4 regions so far. It keeps bootloader bit 3, so downgrading to the previous build G988NKSS3IWK1 is still possible. Samsung still serves this file.

Model
SM-G988N
Android
Android 13
Type
Security
Bootloader bit
3
First released
Feb 21, 2024
Regions
4

Rollout timeline by region

The date each region code (CSC) first received G988NKSS3IXB1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaFeb 21, 2024day 0G988NKSS3IXB1/G988NOKR3IXB1/G988NKSS3IXB1
KTCSouth Korea (KT)Feb 21, 2024day 0G988NKSS3IXB1/G988NOKR3IXB1/G988NKSS3IXB1
LUCSouth Korea (LG U+)Feb 21, 2024day 0G988NKSS3IXB1/G988NOKR3IXB1/G988NKSS3IXB1
SKCSouth Korea (SKT)Feb 21, 2024day 0G988NKSS3IXB1/G988NOKR3IXB1/G988NKSS3IXB1

Download and release notes

samloader download -m SM-G988N -r KOO -v G988NKSS3IXB1/G988NOKR3IXB1/G988NKSS3IXB1

Samsung's release notes and security patch level for this update: SM-G988N / KOO on doc.samsungmobile.com. What each part of the build number means: decode G988NKSS3IXB1.