| Build / PDA | Bit | Region (CSC) | Rating | Android | Date | Download Link |
|---|---|---|---|---|---|---|
|
J330FNXXU4CZC1
Feature update
|
4 | PHN | v9 |
2026-04-16 | Download | |
|
J330FNXXS4CUF1
Security update
|
4 | 3IE | v9 |
2021-06-22 | Download | |
|
J330FNXXS4CUF1
Security update
|
4 | H3G | v9 |
2021-06-22 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | BOG | v9 |
2021-06-21 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | OPT | v9 |
2021-06-21 | Download | |
|
J330FNXXS4CUD4
Security update
|
4 | XEU | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD4
Security update
|
4 | BTU | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD4
Security update
|
4 | EVR | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | SFR | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | MEO | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | MSR | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | PHN | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | PAN | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | XEF | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | TOP | v9 |
2021-06-17 | Download | |
|
J330FNXXS4CUD5
Security update
|
4 | MOT | v9 |
2021-06-09 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | TSI | v9 |
2021-06-09 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | TIM | v9 |
2021-06-09 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | HUI | v9 |
2021-06-09 | Download | |
|
J330FNXXS4CUD3
Security update
|
4 | MET | v9 |
2021-06-09 | Download |
Samsung Galaxy J3 (SM-J330FN) Firmware Overview
The archive lists 20 official builds for the Samsung Galaxy J3 across 19 regions (CSC). The newest one is J330FNXXU4CZC1, released April 16, 2026 with Android 9. It is a feature update on bootloader binary 4: once a phone runs it, firmware with a lower binary can no longer be flashed (how to read a build number).
Latest SM-J330FN Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| 3IE | J330FNXXS4CUF1 | 4 | 9 | 2021-06-22 |
| BOG | J330FNXXS4CUD3 | 4 | 9 | 2021-06-21 |
| BTU | J330FNXXS4CUD4 | 4 | 9 | 2021-06-17 |
| EVR | J330FNXXS4CUD4 | 4 | 9 | 2021-06-17 |
| H3G | J330FNXXS4CUF1 | 4 | 9 | 2021-06-22 |
| HUI | J330FNXXS4CUD3 | 4 | 9 | 2021-06-09 |
| MEO | J330FNXXS4CUD3 | 4 | 9 | 2021-06-17 |
| MET | J330FNXXS4CUD3 | 4 | 9 | 2021-06-09 |
| MOT | J330FNXXS4CUD5 | 4 | 9 | 2021-06-09 |
| MSR | J330FNXXS4CUD5 | 4 | 9 | 2021-06-17 |
| OPT | J330FNXXS4CUD3 | 4 | 9 | 2021-06-21 |
| PAN | J330FNXXS4CUD5 | 4 | 9 | 2021-06-17 |
| PHN | J330FNXXU4CZC1 | 4 | 9 | 2026-04-16 |
| SFR | J330FNXXS4CUD3 | 4 | 9 | 2021-06-17 |
| TIM | J330FNXXS4CUD3 | 4 | 9 | 2021-06-09 |
| TOP | J330FNXXS4CUD5 | 4 | 9 | 2021-06-17 |
| TSI | J330FNXXS4CUD3 | 4 | 9 | 2021-06-09 |
| XEF | J330FNXXS4CUD5 | 4 | 9 | 2021-06-17 |
| XEU | J330FNXXS4CUD4 | 4 | 9 | 2021-06-17 |
How to Flash SM-J330FN Firmware
Put the Samsung Galaxy J3 into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with the same or a higher Bit than the one installed — a lower bootloader binary will be rejected.