G736USQSEGZI3 – Galaxy XCover6 Pro firmware
Build G736USQSEGZI3 is a security update for the Galaxy XCover6 Pro (SM-G736U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 13, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 14, so downgrading to the previous build G736USQSEGZH1 is still possible. Samsung still serves this file.
- Model
- SM-G736U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- Oct 13, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received G736USQSEGZI3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Oct 13, 2026 | day 0 | G736USQSEGZI3/G736UOYNEGZI3/G736USQSEGZI3 |
TMB | USA (T-Mobile) | Oct 14, 2026 | +1 day | G736USQSEGZI3/G736UOYNEGZI3/G736USQSEGZI3 |
TMK | USA (MetroPCS) | Oct 14, 2026 | +1 day | G736USQSEGZI3/G736UOYNEGZI3/G736USQSEGZI3 |
VZW | USA (Verizon) | Oct 18, 2026 | +5 days | G736USQSEGZI3/G736UOYNEGZI3/G736USQSEGZI3 |
Download and release notes
samloader download -m SM-G736U -r ATT -v G736USQSEGZI3/G736UOYNEGZI3/G736USQSEGZI3Samsung's release notes and security patch level for this update: SM-G736U / ATT on doc.samsungmobile.com. What each part of the build number means: decode G736USQSEGZI3.