A236USQSHEZI6 – Galaxy A23 5G firmware
Build A236USQSHEZI6 is a security update for the Galaxy A23 5G (SM-A236U)
on Android 14 (One UI 6). It first appeared on Samsung's servers on Sep 23, 2026 (method) and has reached
4 regions so far. It raises the bootloader bit from 16 to 17: once installed, the device no longer accepts firmware with bit 16 or lower, so a downgrade to A236USQSGEZH4 is blocked. Samsung still serves this file.
- Model
- SM-A236U
- Android
- Android 14
- Type
- Security
- Bootloader bit
- 17
- First released
- Sep 23, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received A236USQSHEZI6, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TMB | USA (T-Mobile) | Sep 23, 2026 | day 0 | A236USQSHEZI6/A236UOYNHEZI6/A236USQSHEZI6 |
TMK | USA (MetroPCS) | Sep 23, 2026 | day 0 | A236USQSHEZI6/A236UOYNHEZI6/A236USQSHEZI6 |
ATT | USA (AT&T) | Sep 28, 2026 | +5 days | A236USQSHEZI6/A236UOYNHEZI6/A236USQSHEZI6 |
AIO | USA (Cricket) | Sep 30, 2026 | +7 days | A236USQSHEZI6/A236UOYNHEZI6/A236USQSHEZI6 |
Download and release notes
samloader download -m SM-A236U -r TMB -v A236USQSHEZI6/A236UOYNHEZI6/A236USQSHEZI6Samsung's release notes and security patch level for this update: SM-A236U / TMB on doc.samsungmobile.com. What each part of the build number means: decode A236USQSHEZI6.