X238USQS6BZF4 – Galaxy Tab A11+ 5G firmware
Build X238USQS6BZF4 is a security update for the Galaxy Tab A11+ 5G (SM-X238U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 6, 2026 (method) and has reached
9 regions so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to X238UVLU5BZE8 is blocked. Samsung still serves this file.
- Model
- SM-X238U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 6
- First released
- Jul 6, 2026
- Regions
- 9
Rollout timeline by region
The date each region code (CSC) first received X238USQS6BZF4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Jul 6, 2026 | day 0 | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
AIO | USA (Cricket) | Jul 6, 2026 | day 0 | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
DSA | USA | Jul 7, 2026 | +1 day | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
TMK | USA (MetroPCS) | Jul 8, 2026 | +2 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
TMB | USA (T-Mobile) | Jul 8, 2026 | +2 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
USC | USA (US Cellular) | Jul 8, 2026 | +2 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
VZW | USA (Verizon) | Jul 8, 2026 | +2 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
CCT | USA (Comcast) | Jul 9, 2026 | +3 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
TFN | USA (TracFone) | Jul 9, 2026 | +3 days | X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4 |
Download and release notes
samloader download -m SM-X238U -r ATT -v X238USQS6BZF4/X238UOYN6BZF4/X238USQS6BZF4Samsung's release notes and security patch level for this update: SM-X238U / ATT on doc.samsungmobile.com. What each part of the build number means: decode X238USQS6BZF4.