E156BXXS9CZB4 – Galaxy F15 5G firmware
Build E156BXXS9CZB4 is a security update for the Galaxy F15 5G (SM-E156B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 11, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to E156BXXS8CZA3 is blocked. Samsung still serves this file.
- Model
- SM-E156B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- Mar 11, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received E156BXXS9CZB4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Mar 11, 2026 | day 0 | E156BXXS9CZB4/E156BODM9CZB4/E156BXXS9CZB3 |
Download and release notes
samloader download -m SM-E156B -r INS -v E156BXXS9CZB4/E156BODM9CZB4/E156BXXS9CZB3Samsung's release notes and security patch level for this update: SM-E156B / INS on doc.samsungmobile.com. What each part of the build number means: decode E156BXXS9CZB4.