S156VUDSDEZJ4 – Galaxy A15 5G firmware
Build S156VUDSDEZJ4 is a security update for the Galaxy A15 5G (SM-S156V)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 14, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to S156VUDSCEZG1 is blocked. Samsung still serves this file.
- Model
- SM-S156V
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 13
- First released
- Oct 14, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S156VUDSDEZJ4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TFN | USA (TracFone) | Oct 14, 2026 | day 0 | S156VUDSDEZJ4/S156VTFNDEZJ4/S156VUDSDEZJ4 |
Download and release notes
samloader download -m SM-S156V -r TFN -v S156VUDSDEZJ4/S156VTFNDEZJ4/S156VUDSDEZJ4Samsung's release notes and security patch level for this update: SM-S156V / TFN on doc.samsungmobile.com. What each part of the build number means: decode S156VUDSDEZJ4.