Download Samsung SM-J400F U6 Flash File (Repair Firmware)
The Samsung Galaxy J4 SM-J400F stock firmware has been updated with the latest January 2020 Android security patch, carrying build number J400FXXU6BTD2. This update runs on Android 9.0 (Pie) and is officially released for the Asian region and Turkey. If you haven’t received the update automatically, go to Settings → Software Update → Download and … Read more