A165MUBSADZF2 – Galaxy A16 firmware

Build A165MUBSADZF2 is a security update for the Galaxy A16 (SM-A165M) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 1, 2026 (method) and has reached 27 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to A165MUBS9DZF1 is blocked. Samsung still serves this file.

Model
SM-A165M
Android
Android 16
Type
Security
Bootloader bit
10
First released
Jul 1, 2026
Regions
27

Rollout timeline by region

The date each region code (CSC) first received A165MUBSADZF2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
BVOBoliviaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
CGUGuatemala (Claro)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
CHOChileJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
COOColombiaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
CTIArgentina (Claro)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
GTOGuatemalaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
PGUGuatemalaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
PSNArgentina (Personal)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
TGPParaguayJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
TPAPanamaJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
UFNArgentina (Movistar)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
UPOUruguayJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
UYOUruguayJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
ZTMBrazil (TIM)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
ZTOBrazilJul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
ZVVBrazil (Vivo)Jul 1, 2026day 0A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
PEOPeruJul 6, 2026+5 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
PETPeru (Movistar)Jul 6, 2026+5 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
PNTPanamaJul 6, 2026+5 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
SAMOceaniaJul 6, 2026+5 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
EBEEcuadorJul 8, 2026+7 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
ECOEcuadorJul 8, 2026+7 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
IUSMexico (AT&T)Jul 9, 2026+8 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
MXOMexicoJul 9, 2026+8 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
TCEMexico (Telcel)Jul 9, 2026+8 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2
TMMMyanmarJul 9, 2026+8 daysA165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2

Download and release notes

samloader download -m SM-A165M -r ARO -v A165MUBSADZF2/A165MOWOADZF2/A165MUBSADZF2

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 A165MUBSADZF2.