A146BXXUBDYL1 – Galaxy A14 5G firmware

Build A146BXXUBDYL1 is a feature update for the Galaxy A14 5G (SM-A146B) on Android 15 (One UI 7). It first appeared on Samsung's servers on Dec 30, 2025 (method) and has reached 2 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to A146BXXUADYJ2 is blocked. Samsung still serves this file.

Model
SM-A146B
Android
Android 15
Type
Feature
Bootloader bit
11
First released
Dec 30, 2025
Regions
2

Rollout timeline by region

The date each region code (CSC) first received A146BXXUBDYL1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 30, 2025day 0A146BXXUBDYL1/A146BODMBDYL1/A146BXXUBDYK1
NPBNepalJan 6, 2026+7 daysA146BXXUBDYL1/A146BODMBDYL1/A146BXXUBDYK1

Download and release notes

samloader download -m SM-A146B -r INS -v A146BXXUBDYL1/A146BODMBDYL1/A146BXXUBDYK1

Samsung's release notes and security patch level for this update: SM-A146B / INS on doc.samsungmobile.com. What each part of the build number means: decode A146BXXUBDYL1.