A165NKSS7CZC8 – Galaxy A16 firmware
Build A165NKSS7CZC8 is a security update for the Galaxy A16 (SM-A165N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Apr 20, 2026 (method) and has reached
4 regions 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 A165NKSS6CZB4 is blocked. Samsung still serves this file.
- Model
- SM-A165N
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 7
- First released
- Apr 20, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received A165NKSS7CZC8, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Apr 20, 2026 | day 0 | A165NKSS7CZC8/A165NOKR7CZC8/A165NKSS7CZC8 |
KTC | South Korea (KT) | Apr 20, 2026 | day 0 | A165NKSS7CZC8/A165NOKR7CZC8/A165NKSS7CZC8 |
LUC | South Korea (LG U+) | Apr 20, 2026 | day 0 | A165NKSS7CZC8/A165NOKR7CZC8/A165NKSS7CZC8 |
SKC | South Korea (SKT) | Apr 20, 2026 | day 0 | A165NKSS7CZC8/A165NOKR7CZC8/A165NKSS7CZC8 |
Download and release notes
samloader download -m SM-A165N -r KOO -v A165NKSS7CZC8/A165NOKR7CZC8/A165NKSS7CZC8Samsung's release notes and security patch level for this update: SM-A165N / KOO on doc.samsungmobile.com. What each part of the build number means: decode A165NKSS7CZC8.