A155FXXSAEZF2 – Galaxy A15 firmware
Build A155FXXSAEZF2 is a security update for the Galaxy A15 (SM-A155F)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 29, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 10, so downgrading to the previous build A155FXXUAEZF1 is still possible. Samsung still serves this file.
- Model
- SM-A155F
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 10
- First released
- Jun 29, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A155FXXSAEZF2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XID | Indonesia | Jun 29, 2026 | day 0 | A155FXXSAEZF2/A155FOLEAEZF1/A155FXXUAEZF1 |
Download and release notes
samloader download -m SM-A155F -r XID -v A155FXXSAEZF2/A155FOLEAEZF1/A155FXXUAEZF1Samsung's release notes and security patch level for this update: SM-A155F / XID on doc.samsungmobile.com. What each part of the build number means: decode A155FXXSAEZF2.