G9300ZCS5CTA1 – Galaxy S7 firmware
Build G9300ZCS5CTA1 is a security update for the Galaxy S7 (SM-G9300)
on Android 8. It first appeared on Samsung's servers on Jan 22, 2020 (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 G9300ZCU4CSK1 is blocked. Samsung still serves this file.
- Model
- SM-G9300
- Android
- Android 8
- Type
- Security
- Bootloader bit
- 5
- First released
- Jan 22, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G9300ZCS5CTA1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Jan 22, 2020 | day 0 | G9300ZCS5CTA1/G9300CHC5CTA1/G9300ZCS5CTA1 |
Download and release notes
samloader download -m SM-G9300 -r CHC -v G9300ZCS5CTA1/G9300CHC5CTA1/G9300ZCS5CTA1Samsung's release notes and security patch level for this update: SM-G9300 / CHC on doc.samsungmobile.com. What each part of the build number means: decode G9300ZCS5CTA1.