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.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Dec 30, 2025 | day 0 | A146BXXUBDYL1/A146BODMBDYL1/A146BXXUBDYK1 |
NPB | Nepal | Jan 6, 2026 | +7 days | A146BXXUBDYL1/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.