A520KKKU4CSH1 – GALAXY A5 firmware
Build A520KKKU4CSH1 is a feature update for the GALAXY A5 (SM-A520K)
on Android 8. It first appeared on Samsung's servers on Sep 1, 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 A520KKKU3CSD1 is blocked. Samsung still serves this file.
- Model
- SM-A520K
- Android
- Android 8
- Type
- Feature
- Bootloader bit
- 4
- First released
- Sep 1, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A520KKKU4CSH1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KTC | South Korea (KT) | Sep 1, 2019 | day 0 | A520KKKU4CSH1/A520KKTC4CSH1/A520KKKU4CSH1 |
Download and release notes
samloader download -m SM-A520K -r KTC -v A520KKKU4CSH1/A520KKTC4CSH1/A520KKKU4CSH1Samsung's release notes and security patch level for this update: SM-A520K / KTC on doc.samsungmobile.com. What each part of the build number means: decode A520KKKU4CSH1.