A165FXXS9CZE4 – Galaxy A16 firmware
Build A165FXXS9CZE4 is a security update for the Galaxy A16 (SM-A165F)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 21, 2026 (method) and has reached
8 regions so far. It keeps bootloader bit 9, so downgrading to the previous build A165FXXS9CZCB is still possible. Samsung still serves this file.
- Model
- SM-A165F
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- May 21, 2026
- Regions
- 8
Rollout timeline by region
The date each region code (CSC) first received A165FXXS9CZE4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BOG | France (Bouygues) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
EUX | Europe (Multi-CSC) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
EUY | Europe (Multi-CSC) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
MEO | Portugal (MEO) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
MSR | Serbia | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
PLS | Poland (Plus) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
SFR | France (SFR) | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
TOP | Serbia/Montenegro | May 21, 2026 | day 0 | A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3 |
Download and release notes
samloader download -m SM-A165F -r EUX -v A165FXXS9CZE4/A165FOXM9CZE4/A165FXXS9CZE3Samsung's release notes and security patch level for this update: SM-A165F / EUX on doc.samsungmobile.com. What each part of the build number means: decode A165FXXS9CZE4.