G950USQU8DUD3 – Galaxy S8 firmware

Build G950USQU8DUD3 is a feature update for the Galaxy S8 (SM-G950U) on Android 9. It first appeared on Samsung's servers on Apr 29, 2021 (method) and has reached 12 regions so far. It keeps bootloader bit 8, so downgrading to the previous build G950USQU8DUA2 is still possible. Samsung still serves this file.

Model
SM-G950U
Android
Android 9
Type
Feature
Bootloader bit
8
First released
Apr 29, 2021
Regions
12

Rollout timeline by region

The date each region code (CSC) first received G950USQU8DUD3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
USCUSA (US Cellular)Apr 29, 2021day 0G950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
LRAUSA (Bluegrass)May 2, 2021+3 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
ACGUSA (C Spire)May 2, 2021+3 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
CCTUSA (Comcast)May 5, 2021+6 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
VZWUSA (Verizon)May 9, 2021+10 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
TMKUSA (MetroPCS)May 9, 2021+10 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
TMBUSA (T-Mobile)May 9, 2021+10 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
BSTUSA (Boost)May 10, 2021+11 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
VMUUSA (Virgin)May 10, 2021+11 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
XASUSA (Sprint)May 10, 2021+11 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
SPRUSA (Sprint)May 10, 2021+11 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3
TFNUSA (TracFone)May 11, 2021+12 daysG950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3

Download and release notes

samloader download -m SM-G950U -r USC -v G950USQU8DUD3/G950UOYN8DUD3/G950USQU8DUD3

Samsung's release notes and security patch level for this update: SM-G950U / USC on doc.samsungmobile.com. What each part of the build number means: decode G950USQU8DUD3.