M156SKSS8CZD1 – Galaxy Wide7 firmware
Build M156SKSS8CZD1 is a security update for the Galaxy Wide7 (SM-M156S)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 5, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to M156SKSS7CZB2 is blocked. Samsung still serves this file.
- Model
- SM-M156S
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 8
- First released
- May 5, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received M156SKSS8CZD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | May 5, 2026 | day 0 | M156SKSS8CZD1/M156SSKC8CZD1/M156SKSS8CZD1 |
Download and release notes
samloader download -m SM-M156S -r SKC -v M156SKSS8CZD1/M156SSKC8CZD1/M156SKSS8CZD1Samsung's release notes and security patch level for this update: SM-M156S / SKC on doc.samsungmobile.com. What each part of the build number means: decode M156SKSS8CZD1.