A236USQSFEZE4 – Galaxy A23 5G firmware
Build A236USQSFEZE4 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 Jun 1, 2026 (method) and has reached
4 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to A236USQSEEZC3 is blocked. Samsung still serves this file.
- Model
- SM-A236U
- Android
- Android 14
- Type
- Security
- Bootloader bit
- 15
- First released
- Jun 1, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received A236USQSFEZE4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
AIO | USA (Cricket) | Jun 1, 2026 | day 0 | A236USQSFEZE4/A236UOYNFEZE4/A236USQSFEZE4 |
ATT | USA (AT&T) | Jun 1, 2026 | day 0 | A236USQSFEZE4/A236UOYNFEZE4/A236USQSFEZE4 |
TMB | USA (T-Mobile) | Jun 1, 2026 | day 0 | A236USQSFEZE4/A236UOYNFEZE4/A236USQSFEZE4 |
TMK | USA (MetroPCS) | Jun 1, 2026 | day 0 | A236USQSFEZE4/A236UOYNFEZE4/A236USQSFEZE4 |
Download and release notes
samloader download -m SM-A236U -r AIO -v A236USQSFEZE4/A236UOYNFEZE4/A236USQSFEZE4Samsung's release notes and security patch level for this update: SM-A236U / AIO on doc.samsungmobile.com. What each part of the build number means: decode A236USQSFEZE4.