S237VLUDSIBZI6 – Galaxy A23 5G firmware
Build S237VLUDSIBZI6 is a security update for the Galaxy A23 5G (SM-S237VL)
on Android 14 (One UI 6). It first appeared on Samsung's servers on Sep 23, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 17 to 18: once installed, the device no longer accepts firmware with bit 17 or lower, so a downgrade to S237VLUDSHBZH3 is blocked. Samsung still serves this file.
- Model
- SM-S237VL
- Android
- Android 14
- Type
- Security
- Bootloader bit
- 18
- First released
- Sep 23, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S237VLUDSIBZI6, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TFN | USA (TracFone) | Sep 23, 2026 | day 0 | S237VLUDSIBZI6/S237VLTFNIBZI6/S237VLUDSIBZI6 |
Download and release notes
samloader download -m SM-S237VL -r TFN -v S237VLUDSIBZI6/S237VLTFNIBZI6/S237VLUDSIBZI6Samsung's release notes and security patch level for this update: SM-S237VL / TFN on doc.samsungmobile.com. What each part of the build number means: decode S237VLUDSIBZI6.