Samsung Galaxy J1 (SM-J100Y) Firmware Overview
What is the latest SM-J100Y firmware?
J100YDXU0AQB1, released April 12, 2017 with Android 4.4.4. It is a feature update on bootloader binary 0. The archive holds 20 official builds across 5 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy J1 still getting updates?
Most likely not: there has been no new firmware since April 2017, so Android 4.4.4 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-J100Y firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 0:
- Binary 0 — since Mar 2015
All SM-J100Y firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
J100YDXU0AQB1
Feature update
|
0 | OPP | 4.4.4 |
2017-04-12 | Download |
|
J100YDXU0AQB1
Feature update
|
0 | XSA | 4.4.4 |
2017-04-12 | Download |
|
J100YDXU0AQB1
Feature update
|
0 | XSA | 4.4.4 |
2017-02-20 | Download |
|
J100YDXU0AQB1
Feature update
|
0 | OPP | 4.4.4 |
2017-02-20 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | TNX | 4.4.4 |
2015-05-18 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | 2DX | 4.4.4 |
2015-05-18 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | SKY | 4.4.4 |
2015-05-18 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | TNX | 4.4.4 |
2015-04-01 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | SKY | 4.4.4 |
2015-04-01 | Download |
|
J100YDXU0AOD1
Feature update
|
0 | 2DX | 4.4.4 |
2015-04-01 | Download |
|
J100YDXU0AOC3
Feature update
|
0 | SKY | 4.4.4 |
2015-03-21 | Download |
|
J100YDXU0AOC3
Feature update
|
0 | SKY | 4.4.4 |
2015-03-21 | Download |
|
J100YDXU0AOC2
Feature update
|
0 | TNX | 4.4.4 |
2015-03-12 | Download |
|
J100YDXU0AOC1
Feature update
|
0 | OPP | 4.4.4 |
2015-03-04 | Download |
|
J100YDXU0AOC1
Feature update
|
0 | OPP | 4.4.4 |
2015-03-04 | Download |
|
J100YDXU0AOC1
Feature update
|
0 | XSA | 4.4.4 |
2015-03-04 | Download |
|
J100YDXU0AOC1
Feature update
|
0 | XSA | 4.4.4 |
2015-03-04 | Download |
|
J100YDXU0AQB1
Feature update
|
0 | 2DX | 4.4.4 |
N/A | Download |
|
J100YDXU0AQB1
Feature update
|
0 | SKY | 4.4.4 |
N/A | Download |
|
J100YDXU0AQB1
Feature update
|
0 | TNX | 4.4.4 |
N/A | Download |
Latest SM-J100Y 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 |
|---|---|---|---|---|
| 2DX | J100YDXU0AOD1 | 0 | 4.4.4 | 2015-05-18 |
| OPP | J100YDXU0AQB1 | 0 | 4.4.4 | 2017-04-12 |
| SKY | J100YDXU0AOD1 | 0 | 4.4.4 | 2015-05-18 |
| TNX | J100YDXU0AOD1 | 0 | 4.4.4 | 2015-05-18 |
| XSA | J100YDXU0AQB1 | 0 | 4.4.4 | 2017-04-12 |
How to Flash SM-J100Y Firmware
Put the Samsung Galaxy J1 into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 0 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.