A520SKSU8CTK1 – GALAXY A5 firmware
Build A520SKSU8CTK1 is a feature update for the GALAXY A5 (SM-A520S)
on Android 8. It first appeared on Samsung's servers on Nov 23, 2020 (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 A520SKSU7CTG1 is blocked. Samsung still serves this file.
- Model
- SM-A520S
- Android
- Android 8
- Type
- Feature
- Bootloader bit
- 8
- First released
- Nov 23, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A520SKSU8CTK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | Nov 23, 2020 | day 0 | A520SKSU8CTK1/A520SSKC8CTK1/A520SKSU8CTK1 |
Download and release notes
samloader download -m SM-A520S -r SKC -v A520SKSU8CTK1/A520SSKC8CTK1/A520SKSU8CTK1
Samsung's release notes and security patch level for this update: SM-A520S / SKC on doc.samsungmobile.com. What each part of the build number means: decode A520SKSU8CTK1.