
Samsung Galaxy
The latest firmware for Samsung Galaxy (SC-04J) is SC04JOMU1BTJ1 with Android 8.0.0 (Oreo), released on November 18, 2020 for 1 region (CSC). Every official firmware build for SC-04J, 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/SC04JOMU1BTJ1
SC-04J started on Android 7 and has received 1 major Android upgrade; it now runs Android 8.0.0 (Oreo). The newest build, SC04JOMU1BTJ1, was released on November 18, 2020. No new build has appeared for 72 months, so regular updates for this model have most likely ended.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

SC-02D

SC-02B

SC-01E

SC-01D

SC-01C

SC-03D

SC-04F

SC-04E
The newest firmware for SC-04J runs Android 8.0.0 (Oreo): build SC04JOMU1BTJ1, released on November 18, 2020.
The latest build for SC-04J, SC04JOMU1BTJ1, was released on November 18, 2020 (5 years ago).
SC-04J has had no new firmware for 72 months, so regular updates have most likely ended.
Yes, all firmware files for SC-04J are 100% official, original, and obtained directly from Samsung servers.
To flash SC-04J, 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 SC-04J.