G981U1UESAHXG1 – Galaxy S20 5G firmware

Build G981U1UESAHXG1 is a security update for the Galaxy S20 5G (SM-G981U1) on Android 13 (One UI 5). It first appeared on Samsung's servers on Aug 23, 2024 (method) and has reached 16 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to G981U1UES9HXE2 is blocked. Samsung still serves this file.

Model
SM-G981U1
Android
Android 13
Type
Security
Bootloader bit
10
First released
Aug 23, 2024
Regions
16

Rollout timeline by region

The date each region code (CSC) first received G981U1UESAHXG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AIOUSA (Cricket)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
ATTUSA (AT&T)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
BSTUSA (Boost)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
CCTUSA (Comcast)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
DSHUSAAug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
SPRUSA (Sprint)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
TFNUSA (TracFone)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
TMBUSA (T-Mobile)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
TMKUSA (MetroPCS)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
USCUSA (US Cellular)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
VZWUSA (Verizon)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
XAAUSA (unlocked)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
XARUSA (Cellular South)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
XASUSA (Sprint)Aug 23, 2024day 0G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
ACGUSA (C Spire)Dec 26, 2024+125 daysG981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1
LRAUSA (Bluegrass)Dec 26, 2024+125 daysG981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1

Download and release notes

samloader download -m SM-G981U1 -r XAA -v G981U1UESAHXG1/G981U1OYMAHXG1/G981U1UESAHXG1

Samsung's release notes and security patch level for this update: SM-G981U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode G981U1UESAHXG1.