G9810ZCSCHYA1 – Galaxy S20 5G firmware
Build G9810ZCSCHYA1 is a security update for the Galaxy S20 5G (SM-G9810)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Mar 4, 2025 (method) and has reached
1 region so far. It keeps bootloader bit 12, so downgrading to the previous build G9810ZHSCHYA1 is still possible. Samsung still serves this file.
- Model
- SM-G9810
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 12
- First released
- Mar 4, 2025
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G9810ZCSCHYA1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Mar 4, 2025 | day 0 | G9810ZCSCHYA1/G9810OZLCHYA1/G9810ZCSCHYA1 |
Download and release notes
samloader download -m SM-G9810 -r CHC -v G9810ZCSCHYA1/G9810OZLCHYA1/G9810ZCSCHYA1
Samsung's release notes and security patch level for this update: SM-G9810 / CHC on doc.samsungmobile.com. What each part of the build number means: decode G9810ZCSCHYA1.