A057FXXSEDZF1 – Galaxy A05s firmware

Build A057FXXSEDZF1 is a security update for the Galaxy A05s (SM-A057F) on Android 15 (One UI 7). It first appeared on Samsung's servers on Jun 29, 2026 (method) and has reached 1 region so far. It keeps bootloader bit 14, so downgrading to the previous build A057FXXSEDZE2 is still possible. Samsung still serves this file.

Model
SM-A057F
Android
Android 15
Type
Security
Bootloader bit
14
First released
Jun 29, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A057FXXSEDZF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XIDIndonesiaJun 29, 2026day 0A057FXXSEDZF1/A057FOLEEDZF1/A057FXXSEDZF1

Download and release notes

samloader download -m SM-A057F -r XID -v A057FXXSEDZF1/A057FOLEEDZF1/A057FXXSEDZF1

Samsung's release notes and security patch level for this update: SM-A057F / XID on doc.samsungmobile.com. What each part of the build number means: decode A057FXXSEDZF1.