G955USQU8DZE4 – Galaxy S8+ firmware

Build G955USQU8DZE4 is a feature update for the Galaxy S8+ (SM-G955U) on Android 9. It first appeared on Samsung's servers on Jun 17, 2026 (method) and has reached 1 region so far. It keeps bootloader bit 8, so downgrading to the previous build G955USQU8DZE2 is still possible. Samsung still serves this file.

Model
SM-G955U
Android
Android 9
Type
Feature
Bootloader bit
8
First released
Jun 17, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received G955USQU8DZE4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
VZWUSA (Verizon)Jun 17, 2026day 0G955USQU8DZE4/G955UOYN8DZE4/G955USQU8DZE4

Download and release notes

samloader download -m SM-G955U -r VZW -v G955USQU8DZE4/G955UOYN8DZE4/G955USQU8DZE4

Samsung's release notes and security patch level for this update: SM-G955U / VZW on doc.samsungmobile.com. What each part of the build number means: decode G955USQU8DZE4.