E166PXXS7DZG1 – Galaxy F16 5G firmware

Build E166PXXS7DZG1 is a security update for the Galaxy F16 5G (SM-E166P) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 20, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 6 to 7: once installed, the device no longer accepts firmware with bit 6 or lower, so a downgrade to E166PXXS6DZF2 is blocked. Samsung still serves this file.

Model
SM-E166P
Android
Android 16
Type
Security
Bootloader bit
7
First released
Jul 20, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received E166PXXS7DZG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaJul 20, 2026day 0E166PXXS7DZG1/E166PODM7DZG1/E166PXXS7DZG1

Download and release notes

samloader download -m SM-E166P -r INS -v E166PXXS7DZG1/E166PODM7DZG1/E166PXXS7DZG1

Samsung's release notes and security patch level for this update: SM-E166P / INS on doc.samsungmobile.com. What each part of the build number means: decode E166PXXS7DZG1.