J3308ZMS4CTG1 – Galaxy J3 firmware
Build J3308ZMS4CTG1 is a security update for the Galaxy J3 (SM-J3308)
on Android 9. It first appeared on Samsung's servers on Aug 13, 2020 (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 J3308ZMS3CTC1 is blocked. Samsung still serves this file.
- Model
- SM-J3308
- Android
- Android 9
- Type
- Security
- Bootloader bit
- 4
- First released
- Aug 13, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J3308ZMS4CTG1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHM | China (Mobile) | Aug 13, 2020 | day 0 | J3308ZMS4CTG1/J3308CHM4CTG1/J3308ZMS4CTG1 |
Download and release notes
samloader download -m SM-J3308 -r CHM -v J3308ZMS4CTG1/J3308CHM4CTG1/J3308ZMS4CTG1Samsung's release notes and security patch level for this update: SM-J3308 / CHM on doc.samsungmobile.com. What each part of the build number means: decode J3308ZMS4CTG1.