E135FXXSCEYK1 – Galaxy F13 firmware

Build E135FXXSCEYK1 is a security update for the Galaxy F13 (SM-E135F) on Android 14 (One UI 6). It first appeared on Samsung's servers on Nov 30, 2025 (method) and has reached 3 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to E135FXXSBEYH1 is blocked. Samsung still serves this file.

Model
SM-E135F
Android
Android 14
Type
Security
Bootloader bit
12
First released
Nov 30, 2025
Regions
3

Rollout timeline by region

The date each region code (CSC) first received E135FXXSCEYK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshNov 30, 2025day 0E135FXXSCEYK1/E135FODMCEYK1/E135FXXSCEYK1
INSIndiaNov 30, 2025day 0E135FXXSCEYK1/E135FODMCEYK1/E135FXXSCEYK1
NPBNepalNov 30, 2025day 0E135FXXSCEYK1/E135FODMCEYK1/E135FXXSCEYK1

Download and release notes

samloader download -m SM-E135F -r INS -v E135FXXSCEYK1/E135FODMCEYK1/E135FXXSCEYK1

Samsung's release notes and security patch level for this update: SM-E135F / INS on doc.samsungmobile.com. What each part of the build number means: decode E135FXXSCEYK1.