A720SKSU5CTL2 – Galaxy A7 2017 firmware
Build A720SKSU5CTL2 is a feature update for the Galaxy A7 2017 (SM-A720S)
on Android 9. It first appeared on Samsung's servers on Jan 24, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to A720SKSU4CTF2 is blocked. Samsung still serves this file.
- Model
- SM-A720S
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 5
- First released
- Jan 24, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A720SKSU5CTL2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | Jan 24, 2021 | day 0 | A720SKSU5CTL2/A720SSKC5CTL2/A720NKOU5CTL2 |
Download and release notes
samloader download -m SM-A720S -r SKC -v A720SKSU5CTL2/A720SSKC5CTL2/A720NKOU5CTL2Samsung'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 A720SKSU5CTL2.