M146BXXSFDZI1 – Galaxy M14 5G firmware
Build M146BXXSFDZI1 is a security update for the Galaxy M14 5G (SM-M146B)
on Android 15 (One UI 7). It first appeared on Samsung's servers on Sep 28, 2026 (method) and has reached
22 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to M146BXXUEDZG7 is blocked. Samsung still serves this file.
- Model
- SM-M146B
- Android
- Android 15
- Type
- Security
- Bootloader bit
- 15
- First released
- Sep 28, 2026
- Regions
- 22
Rollout timeline by region
The date each region code (CSC) first received M146BXXSFDZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
THL | Thailand | Sep 28, 2026 | day 0 | M146BXXSFDZI1/M146BOLMFDZI1/M146BXXSFDZI1 |
XID | Indonesia | Sep 28, 2026 | day 0 | M146BXXSFDZI1/M146BOLEFDZI1/M146BXXSFDZI1 |
XME | Malaysia | Sep 28, 2026 | day 0 | M146BXXSFDZI1/M146BOLMFDZI1/M146BXXSFDZI1 |
XXV | Vietnam | Sep 28, 2026 | day 0 | M146BXXSFDZI1/M146BOLMFDZI1/M146BXXSFDZI1 |
BRI | Taiwan | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BBRIFDZI1/M146BXXSFDZI1 |
CAU | Caucasus | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOXMFDZI1/M146BXXSFDZI1 |
KSA | Saudi Arabia | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
LYS | Libya | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
MID | Middle East | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
SEK | Ukraine | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOXMFDZI1/M146BXXSFDZI1 |
SER | Russia | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOXMFDZI1/M146BXXSFDZI1 |
SKZ | Kazakhstan | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOXMFDZI1/M146BXXSFDZI1 |
TUN | Tunisia | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
TUR | Turkey | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
XSG | United Arab Emirates | Oct 6, 2026 | +8 days | M146BXXSFDZI1/M146BOJMFDZI1/M146BXXSFDZI1 |
INS | India | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BODMFDZI1/M146BXXSFDZI1 |
NPB | Nepal | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BODMFDZI1/M146BXXSFDZI1 |
SLK | Sri Lanka | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BODMFDZI1/M146BXXSFDZI1 |
COO | Colombia | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BOWOFDZI1/M146BXXSFDZI1 |
PEO | Peru | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BOWOFDZI1/M146BXXSFDZI1 |
ZTO | Brazil | Oct 7, 2026 | +9 days | M146BXXSFDZI1/M146BOWOFDZI1/M146BXXSFDZI1 |
BKD | Bangladesh | Oct 22, 2026 | +24 days | M146BXXSFDZI1/M146BODMFDZI1/M146BXXSFDZI1 |
Download and release notes
samloader download -m SM-M146B -r INS -v M146BXXSFDZI1/M146BODMFDZI1/M146BXXSFDZI1Samsung's release notes and security patch level for this update: SM-M146B / INS on doc.samsungmobile.com. What each part of the build number means: decode M146BXXSFDZI1.