J3300ZCS4CTG1 – Galaxy J3 firmware

Build J3300ZCS4CTG1 is a security update for the Galaxy J3 (SM-J3300) 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 J3300ZCS3CTC1 is blocked. Samsung still serves this file.

Model
SM-J3300
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 J3300ZCS4CTG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CHCChinaAug 13, 2020day 0J3300ZCS4CTG1/J3300CHC4CTG1/J3300ZCS4CTG1

Download and release notes

samloader download -m SM-J3300 -r CHC -v J3300ZCS4CTG1/J3300CHC4CTG1/J3300ZCS4CTG1

Samsung's release notes and security patch level for this update: SM-J3300 / CHC on doc.samsungmobile.com. What each part of the build number means: decode J3300ZCS4CTG1.