A165MUBSBDZH6 – Galaxy A16 firmware

Build A165MUBSBDZH6 is a security update for the Galaxy A16 (SM-A165M) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 16, 2026 (method) and has reached 27 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 A165MUBSADZG3 is blocked. Samsung still serves this file.

Model
SM-A165M
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 16, 2026
Regions
27

Rollout timeline by region

The date each region code (CSC) first received A165MUBSBDZH6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
BVOBoliviaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
CGUGuatemala (Claro)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
CHOChileSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
COOColombiaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
CTIArgentina (Claro)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
EBEEcuadorSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
ECOEcuadorSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
GTOGuatemalaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
IUSMexico (AT&T)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
MXOMexicoSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
PEOPeruSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
PETPeru (Movistar)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
PGUGuatemalaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
PNTPanamaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
PSNArgentina (Personal)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
SAMOceaniaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
TCEMexico (Telcel)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
TGPParaguaySep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
TMMMyanmarSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
TPAPanamaSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
UFNArgentina (Movistar)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
UPOUruguaySep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
UYOUruguaySep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
ZTMBrazil (TIM)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
ZTOBrazilSep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3
ZVVBrazil (Vivo)Sep 16, 2026day 0A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3

Download and release notes

samloader download -m SM-A165M -r ARO -v A165MUBSBDZH6/A165MOWOBDZH6/A165MUBSBDZH3

Samsung's release notes and security patch level for this update: SM-A165M / ARO on doc.samsungmobile.com. What each part of the build number means: decode A165MUBSBDZH6.