This is the most direct software method if your Galaxy A7 repack firmware retains the stock or modified Android recovery partition.
adb devices adb shell getprop ro.boot.mode
the button combination:
No fancy UI. No menu. Just a command line waiting in the dark.
: If your flashing software (like Odin) does not show a blue or yellow communication port indicator, swap your USB cable, try a different USB port on your PC (preferably a USB 2.0 port on the back of the motherboard), and reinstall the Samsung USB drivers. how to open fastboot mode on samsung galaxy a7 repack
1234567890ABCDEF fastboot
Press the button to confirm and enter Download Mode. For Galaxy A7 Models without a Physical Home Button (2018) Turn off your device completely. This is the most direct software method if
Press and hold the and Power buttons simultaneously.
While holding those buttons, insert the USB cable into your phone. Just a command line waiting in the dark
The screen stayed black for a terrifying three seconds. Then, tiny yellow text appeared in the corner.