The firmware combination is used by engineers and developers so that it can read and test the functionality of the entire device, There are several features that can be used when using Samsung's firmware combination.
-The firmware combination can be used to bypass google account(FRP).
-The firmware combination can be used to bypass samsung account some models only.
-Downgrade the Android version without problems taking into account the binary of the device.
-Help enable the USB debugging option.
-Fix imei problems, If the problem is related to software.
-Solve the problems of flashing the official firmware.
-Fix problems standing on Samsung logo.
-Fix the problems of standing on the recovery mode.
-Solve the problems of rebooting the device automatically.
-The combination firmware cannot be used in modern devices if it is protected by KG:Prenormal.
-As we said before, the firmware combination is used by professionals and developers so the firmware combination cannot be used for normal use but only for maintenance.
Firmware combination Link
How To Flash Combination Firmware J400G
- Download and install Samsung Driver USB.
- Download the Odin tool 3.13 and then extract it.
- Download the Firmware and extract it.
- Open odin tool And from the AP box we choose the file Combination.
- Now boot the device into download mode with Volume Down + Home + Power.
- Connect the device to the computer and press Start.
- The process will take a few minutes so be patient and never disconnect the cable.
- After the flash is finished, the device will automatically restart.
- It will take about 5 minutes to boot the Android device so don't worry.
- After the boot process is finished, Then it will show you the firmware combination (Factory Binary).