
Samsung Galaxy J4
The latest firmware for Samsung Galaxy J4 (SM-J400F) is J400FXXS9CVF2 with Android 10, released on June 28, 2022 for 5 regions (CSC). Every official firmware build for SM-J400F, 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/J400FXXS9CVF2
SM-J400F started on Android 8 and has received 2 major Android upgrades; it now runs Android 10. The newest build, J400FXXS9CVF2, was released on June 28, 2022 with the February 2022 security patch. No new build has appeared for 52 months, so regular updates for this model have most likely ended.
• The security of your device has been improved.
• The security of your device has been improved.
· The security of your device has been improved.
• The security of your device has been improved.
• An emergency alert (Emergency Cell Broadcast) feature has been added in Ukraine.
· The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
· The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
· The security of your device has been improved.
One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
We recommend that you back up your important data to keep it safe during the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health and Samsung Notes, need to be updated individually after you update your OS.
Here's what's new.
Dark mode
- Enhanced image, text, and color adjustments for day and night environments.
- Dark...
· The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
Box codes of SM-J400F for different colors and markets. Firmware is chosen by the model code SM-J400F and your region (CSC), not by the SKU.

SM-J327VPP

SM-J100VPP

SM-J260A

SM-J120P

SM-J737A

SM-J727A

SM-J727VPP

SM-J327A
The newest firmware for SM-J400F runs Android 10: build J400FXXS9CVF2, released on June 28, 2022.
The latest build for SM-J400F, J400FXXS9CVF2, was released on June 28, 2022 (4 years ago).
SM-J400F has had no new firmware for 52 months, so regular updates have most likely ended.
Yes, all firmware files for SM-J400F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-J400F, 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-J400F.