M135FXXSEEZE1 – Galaxy M13 firmware

Build M135FXXSEEZE1 is a security update for the Galaxy M13 (SM-M135F) on Android 14 (One UI 6). It first appeared on Samsung's servers on May 24, 2026 (method) and has reached 4 regions so far. It keeps bootloader bit 14, so downgrading to the previous build M135FXXSEEZE2 is still possible. Samsung still serves this file.

Model
SM-M135F
Android
Android 14
Type
Security
Bootloader bit
14
First released
May 24, 2026
Regions
4

Not yet released in 8 regions that are still on an older build: EGY, KSA, LYS, MID, MWD, TUN, TUR, XSG.

Rollout timeline by region

The date each region code (CSC) first received M135FXXSEEZE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
EUXEurope (Multi-CSC)May 24, 2026day 0M135FXXSEEZE1/M135FOXMEEZE1/M135FXXSEEZD1
EUYEurope (Multi-CSC)May 24, 2026day 0M135FXXSEEZE1/M135FOXMEEZE1/M135FXXSEEZD1
SEKUkraineMay 24, 2026day 0M135FXXSEEZE1/M135FOXMEEZE1/M135FXXSEEZD1
BRITaiwanMay 27, 2026+3 daysM135FXXSEEZE1/M135FOXMEEZE1/M135FXXSEEZD1

Download and release notes

samloader download -m SM-M135F -r EUX -v M135FXXSEEZE1/M135FOXMEEZE1/M135FXXSEEZD1

Samsung's release notes and security patch level for this update: SM-M135F / EUX on doc.samsungmobile.com. What each part of the build number means: decode M135FXXSEEZE1.