A146MUBUBDYL1 – Galaxy A14 5G firmware
Build A146MUBUBDYL1 is a feature update for the Galaxy A14 5G (SM-A146M)
on Android 15 (One UI 7). It first appeared on Samsung's servers on Jan 8, 2026 (method) and has reached
31 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 A146MUBUADYJ2 is blocked. Samsung still serves this file.
- Model
- SM-A146M
- Android
- Android 15
- Type
- Feature
- Bootloader bit
- 11
- First released
- Jan 8, 2026
- Regions
- 31
Rollout timeline by region
The date each region code (CSC) first received A146MUBUBDYL1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
GTO | Guatemala | Jan 8, 2026 | day 0 | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
TPA | Panama | Jan 12, 2026 | +4 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
UPO | Uruguay | Jan 13, 2026 | +5 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
CGU | Guatemala (Claro) | Jan 13, 2026 | +5 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
COO | Colombia | Jan 13, 2026 | +5 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
UYO | Uruguay | Jan 22, 2026 | +14 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
CDR | Dominican Republic | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWABDYL1/A146MUBUBDYK1 |
PEO | Peru | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
PET | Peru (Movistar) | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
PNT | Panama | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
SAM | Oceania | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
ARO | Argentina | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
CTI | Argentina (Claro) | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
PSN | Argentina (Personal) | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
UFN | Argentina (Movistar) | Jan 27, 2026 | +19 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
CHE | Chile (Entel) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
CHL | Chile (Claro) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
CHO | Chile | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
CHT | Chile (Movistar) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
CHX | Chile | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
ZTA | Brazil (Claro) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
ZTM | Brazil (TIM) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
ZTO | Brazil | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
ZVV | Brazil (Vivo) | Jan 28, 2026 | +20 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
GLO | Nigeria (Glo) | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
CRC | Costa Rica | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
DOR | Dominican Republic | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWBBDYL1/A146MUBUBDYK1 |
IUS | Mexico (AT&T) | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
MXO | Mexico | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
TCE | Mexico (Telcel) | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
TMM | Myanmar | Feb 2, 2026 | +25 days | A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1 |
Download and release notes
samloader download -m SM-A146M -r GTO -v A146MUBUBDYL1/A146MOWOBDYL1/A146MUBUBDYK1Samsung's release notes and security patch level for this update: SM-A146M / GTO on doc.samsungmobile.com. What each part of the build number means: decode A146MUBUBDYL1.