A720SKSU4CSK2 – Galaxy A7 2017 firmware
Build A720SKSU4CSK2 is a feature update for the Galaxy A7 2017 (SM-A720S)
on Android 9. It first appeared on Samsung's servers on Dec 4, 2019 (method) and has reached
1 region so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to A720SKSU3CSH1 is blocked. Samsung still serves this file.
- Model
- SM-A720S
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 4
- First released
- Dec 4, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A720SKSU4CSK2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | Dec 4, 2019 | day 0 | A720SKSU4CSK2/A720SSKC4CSK2/A720NKOU4CSK2 |
Download and release notes
samloader download -m SM-A720S -r SKC -v A720SKSU4CSK2/A720SSKC4CSK2/A720NKOU4CSK2Samsung's release notes and security patch level for this update: SM-A720S / SKC on doc.samsungmobile.com. What each part of the build number means: decode A720SKSU4CSK2.