A736BXXSBGZB2 – Galaxy A73 5G firmware
Build A736BXXSBGZB2 is a security update for the Galaxy A73 5G (SM-A736B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 4, 2026 (method) and has reached
51 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 A736BXXSAGZA1 is blocked. Samsung still serves this file.
- Model
- SM-A736B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 11
- First released
- Mar 4, 2026
- Regions
- 51
Rollout timeline by region
The date each region code (CSC) first received A736BXXSBGZB2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XME | Malaysia | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XNZ | New Zealand | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XTC | Philippines | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XXV | Vietnam | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XID | Indonesia | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLEBGZB2/A736BXXSBGZB2 |
GLB | Philippines (Globe) | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
MYM | Myanmar | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
THL | Thailand | Mar 4, 2026 | day 0 | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
MM1 | Singapore (M1) | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
SIN | Singapore (Singtel) | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
STH | Singapore (StarHub) | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
TEL | Australia (Telstra) | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
VAU | Australia (Vodafone) | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XSA | Australia | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
XSP | Singapore | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOLMBGZB2/A736BXXSBGZB2 |
CAU | Caucasus | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOXEBGZB2/A736BXXSBGZB2 |
SEK | Ukraine | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOXEBGZB2/A736BXXSBGZB2 |
SER | Russia | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOXEBGZB2/A736BXXSBGZB2 |
SKZ | Kazakhstan | Mar 8, 2026 | +4 days | A736BXXSBGZB2/A736BOXEBGZB2/A736BXXSBGZB2 |
ACR | Ghana | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
AFG | Afghanistan | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
AFR | Africa | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
DKR | Senegal | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
ECT | Nigeria | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
EGY | Egypt | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
ILO | Israel | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
KSA | Saudi Arabia | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
LYS | Libya | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
MID | Middle East | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
MWD | Morocco | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
PAK | Pakistan | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
PKD | Pakistan | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
TUN | Tunisia | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
TUR | Turkey | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
XFA | South Africa | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
XFE | South Africa | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
XFV | South Africa (Vodacom) | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
XSG | United Arab Emirates | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOJMBGZB2/A736BXXSBGZB2 |
BVO | Bolivia | Mar 9, 2026 | +5 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
GTO | Guatemala | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
BKD | Bangladesh | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BODMBGZB1/A736BXXSBGZB2 |
INS | India | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BODMBGZB1/A736BXXSBGZB2 |
ZTA | Brazil (Claro) | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
ZTM | Brazil (TIM) | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
ZTO | Brazil | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
ZVV | Brazil (Vivo) | Mar 11, 2026 | +7 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
CHE | Chile (Entel) | Mar 16, 2026 | +12 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
CHL | Chile (Claro) | Mar 16, 2026 | +12 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
CHO | Chile | Mar 16, 2026 | +12 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
CHT | Chile (Movistar) | Mar 16, 2026 | +12 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
CHX | Chile | Mar 16, 2026 | +12 days | A736BXXSBGZB2/A736BOWOBGZB1/A736BXXSBGZB2 |
Download and release notes
samloader download -m SM-A736B -r INS -v A736BXXSBGZB2/A736BODMBGZB1/A736BXXSBGZB2Samsung's release notes and security patch level for this update: SM-A736B / INS on doc.samsungmobile.com. What each part of the build number means: decode A736BXXSBGZB2.