E055FXXS8CZE1 – Galaxy F05 firmware

Build E055FXXS8CZE1 is a security update for the Galaxy F05 (SM-E055F) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 2, 2026 (method) and has reached 2 regions so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to E055FXXS7CZB5 is blocked. Samsung still serves this file.

Model
SM-E055F
Android
Android 16
Type
Security
Bootloader bit
8
First released
Jun 2, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received E055FXXS8CZE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SLKSri LankaJun 2, 2026day 0E055FXXS8CZE1/E055FODM8CZE2/E055FXXS8CZE1
INSIndiaJun 2, 2026day 0E055FXXS8CZE1/E055FODM8CZE1/E055FXXS8CZE1

Download and release notes

samloader download -m SM-E055F -r INS -v E055FXXS8CZE1/E055FODM8CZE1/E055FXXS8CZE1

Samsung's release notes and security patch level for this update: SM-E055F / INS on doc.samsungmobile.com. What each part of the build number means: decode E055FXXS8CZE1.