G955USQU8DUD3 – Galaxy S8+ firmware
Build G955USQU8DUD3 is a feature update for the Galaxy S8+ (SM-G955U)
on Android 9. It first appeared on Samsung's servers on Apr 29, 2021 (method) and has reached
11 regions so far. It keeps bootloader bit 8, so downgrading to the previous build G955USQU8DUA2 is still possible. Samsung still serves this file.
- Model
- SM-G955U
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 8
- First released
- Apr 29, 2021
- Regions
- 11
Rollout timeline by region
The date each region code (CSC) first received G955USQU8DUD3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
USC | USA (US Cellular) | Apr 29, 2021 | day 0 | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
LRA | USA (Bluegrass) | May 2, 2021 | +3 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
ACG | USA (C Spire) | May 2, 2021 | +3 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
CCT | USA (Comcast) | May 5, 2021 | +6 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
VZW | USA (Verizon) | May 9, 2021 | +10 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
TMB | USA (T-Mobile) | May 9, 2021 | +10 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
BST | USA (Boost) | May 10, 2021 | +11 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
VMU | USA (Virgin) | May 10, 2021 | +11 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
XAS | USA (Sprint) | May 10, 2021 | +11 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
SPR | USA (Sprint) | May 10, 2021 | +11 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
TFN | USA (TracFone) | May 11, 2021 | +12 days | G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3 |
Download and release notes
samloader download -m SM-G955U -r USC -v G955USQU8DUD3/G955UOYN8DUD3/G955USQU8DUD3
Samsung's release notes and security patch level for this update: SM-G955U / USC on doc.samsungmobile.com. What each part of the build number means: decode G955USQU8DUD3.