
Samsung Galaxy J1
The latest firmware for Samsung Galaxy J1 (SM-J120F) is J120FXXU2ARK1 with Android 5.1.1 (Lollipop), released on January 25, 2019 for 5 regions (CSC). Every official firmware build for SM-J120F, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/J120FXXU2ARK1
All 37 builds in our database run Android 5.1.1 (Lollipop). The newest build, J120FXXU2ARK1, was released on January 25, 2019. No new build has appeared for 94 months, so regular updates for this model have most likely ended.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
- Added new feature
ㆍAdded Facebook application.
- Other bug fixes
ㆍFixes an issue that error of the Service Principal Name when using HKBN SIM card.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
ㆍDevice stability improvements, bug fixes.
ㆍNew and / or enhanced features.
ㆍFurther improvements to performance.
- Increase ringtone volume
- Improve 3G/4G network data performance
- Update GMS applications.
- apply the Andriod regular security patch
- The 'Hangouts Messages' ringtone will be deleted from the Ringtone List.
If you are using this ringtone, it will be changed to default ringtone after upgrade.
Box codes of SM-J120F for different colors and markets. Firmware is chosen by the model code SM-J120F and your region (CSC), not by the SKU.

SM-J120P

SM-J110M

SM-J327VPP

SM-J320VPP

SM-J326AZ
The newest firmware for SM-J120F runs Android 5.1.1 (Lollipop): build J120FXXU2ARK1, released on January 25, 2019.
The latest build for SM-J120F, J120FXXU2ARK1, was released on January 25, 2019 (7 years ago).
SM-J120F has had no new firmware for 94 months, so regular updates have most likely ended.
Yes, all firmware files for SM-J120F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-J120F, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-J120F.