
Samsung Galaxy J4+
The latest firmware for Samsung Galaxy J4+ (SM-J415FN) is J415FNXXU6BZB2 with Android 9, released on April 16, 2026 for 3 regions (CSC). Every official firmware build for SM-J415FN, 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/J415FNXXU6BZB2
SM-J415FN started on Android 8 and has received 1 major Android upgrade; it now runs Android 9. The newest build, J415FNXXU6BZB2, was released on April 16, 2026 with the December 2020 security patch. No new build has appeared for 6 months, so regular updates for this model have most likely ended.
Specifications of SM-J415F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
• An emergency alert (Emergency Cell Broadcast) feature has been added in Ukraine.
• The security of your device has been improved.
• The stability of Messages has been improved.
• The stability of Calendar has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The stability of Messages has been improved.
• The stability of Calendar has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The stability of Night mode has been improved.
• The performance of Camera has been improved
• The security of your device has been improved.
• Call stability has been improved.
• The stability of Brightness has been improved.
• The security of your device has been improved.
· The security of your device has been improved.

SM-J415N

SM-J410G

SM-J510UN

SM-J3119S

SM-J400M
The newest firmware for SM-J415FN runs Android 9: build J415FNXXU6BZB2, released on April 16, 2026.
The latest build for SM-J415FN, J415FNXXU6BZB2, was released on April 16, 2026 (6 months ago).
SM-J415FN has had no new firmware for 6 months, so regular updates have most likely ended.
Yes, all firmware files for SM-J415FN are 100% official, original, and obtained directly from Samsung servers.
To flash SM-J415FN, 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-J415FN.