E135FXXSDEZB1 – Galaxy F13 firmware

Build E135FXXSDEZB1 is a security update for the Galaxy F13 (SM-E135F) on Android 14 (One UI 6). It first appeared on Samsung's servers on Mar 13, 2026 (method) and has reached 3 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to E135FXXSCEYK1 is blocked. Samsung still serves this file.

Model
SM-E135F
Android
Android 14
Type
Security
Bootloader bit
13
First released
Mar 13, 2026
Regions
3

Rollout timeline by region

The date each region code (CSC) first received E135FXXSDEZB1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshMar 13, 2026day 0E135FXXSDEZB1/E135FODMDEZB1/E135FXXSDEZA1
INSIndiaMar 13, 2026day 0E135FXXSDEZB1/E135FODMDEZB1/E135FXXSDEZA1
NPBNepalMar 13, 2026day 0E135FXXSDEZB1/E135FODMDEZB1/E135FXXSDEZA1

Download and release notes

samloader download -m SM-E135F -r INS -v E135FXXSDEZB1/E135FODMDEZB1/E135FXXSDEZA1

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 E135FXXSDEZB1.