G950USQU8DZE3 – Galaxy S8 firmware

Build G950USQU8DZE3 is a feature update for the Galaxy S8 (SM-G950U) on Android 9. It first appeared on Samsung's servers on Jun 17, 2026 (method) and has reached 2 regions so far. It keeps bootloader bit 8, so downgrading to the previous build G950USQU8DZE2 is still possible. Samsung still serves this file.

Model
SM-G950U
Android
Android 9
Type
Feature
Bootloader bit
8
First released
Jun 17, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received G950USQU8DZE3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TMBUSA (T-Mobile)Jun 17, 2026day 0G950USQU8DZE3/G950UOYN8DZE3/G950USQU8DZE3
TMKUSA (MetroPCS)Jun 17, 2026day 0G950USQU8DZE3/G950UOYN8DZE3/G950USQU8DZE3

Download and release notes

samloader download -m SM-G950U -r TMB -v G950USQU8DZE3/G950UOYN8DZE3/G950USQU8DZE3

Samsung's release notes and security patch level for this update: SM-G950U / TMB on doc.samsungmobile.com. What each part of the build number means: decode G950USQU8DZE3.