G736USQSEGZE1 – Galaxy XCover6 Pro firmware
Build G736USQSEGZE1 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 May 19, 2026 (method) and has reached
4 regions so far. It raises the bootloader bit from 13 to 14: once installed, the device no longer accepts firmware with bit 13 or lower, so a downgrade to G736USQSDGZD1 is blocked. Samsung still serves this file.
- Model
- SM-G736U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- May 19, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received G736USQSEGZE1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | May 19, 2026 | day 0 | G736USQSEGZE1/G736UOYNEGZE1/G736USQSEGZE1 |
TMK | USA (MetroPCS) | May 20, 2026 | +1 day | G736USQSEGZE1/G736UOYNEGZE1/G736USQSEGZE1 |
TMB | USA (T-Mobile) | May 20, 2026 | +1 day | G736USQSEGZE1/G736UOYNEGZE1/G736USQSEGZE1 |
VZW | USA (Verizon) | May 25, 2026 | +6 days | G736USQSEGZE1/G736UOYNEGZE1/G736USQSEGZE1 |
Download and release notes
samloader download -m SM-G736U -r ATT -v G736USQSEGZE1/G736UOYNEGZE1/G736USQSEGZE1Samsung'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 G736USQSEGZE1.