A166PXXU7DZE2 – Galaxy A16 5G firmware
Build A166PXXU7DZE2 is a feature update for the Galaxy A16 5G (SM-A166P)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 24, 2026 (method) and has reached
26 regions so far. It keeps bootloader bit 7, so downgrading to the previous build A166PXXS7CZD2 is still possible. Samsung still serves this file.
- Model
- SM-A166P
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 7
- First released
- May 24, 2026
- Regions
- 26
Rollout timeline by region
The date each region code (CSC) first received A166PXXU7DZE2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XME | Malaysia | May 24, 2026 | day 0 | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
ACR | Ghana | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
AFR | Africa | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
DKR | Senegal | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
ECT | Nigeria | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
XFA | South Africa | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
XFV | South Africa (Vodacom) | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POJM7DZE2/A166PXXU7DZE2 |
GLB | Philippines (Globe) | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
MM1 | Singapore (M1) | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
SIN | Singapore (Singtel) | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
STH | Singapore (StarHub) | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
THL | Thailand | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XSP | Singapore | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XTC | Philippines | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XXV | Vietnam | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XID | Indonesia | May 27, 2026 | +3 days | A166PXXU7DZE2/A166POLE7DZE2/A166PXXU7DZE2 |
BKD | Bangladesh | May 28, 2026 | +4 days | A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2 |
BNG | Belgium | May 28, 2026 | +4 days | A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2 |
INS | India | May 28, 2026 | +4 days | A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2 |
NPB | Nepal | May 28, 2026 | +4 days | A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2 |
SLK | Sri Lanka | May 28, 2026 | +4 days | A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2 |
OPS | Australia (Optus) | May 31, 2026 | +7 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
TEL | Australia (Telstra) | May 31, 2026 | +7 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
VAU | Australia (Vodafone) | May 31, 2026 | +7 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XSA | Australia | May 31, 2026 | +7 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
XNZ | New Zealand | Jun 8, 2026 | +15 days | A166PXXU7DZE2/A166POLM7DZE2/A166PXXU7DZE2 |
Download and release notes
samloader download -m SM-A166P -r INS -v A166PXXU7DZE2/A166PODM7DZE2/A166PXXU7DZE2Samsung's release notes and security patch level for this update: SM-A166P / INS on doc.samsungmobile.com. What each part of the build number means: decode A166PXXU7DZE2.