DroidKit fixes all the Samsung system issues you may encounter without data loss with ease like your Samsung phone is on but the screen is black, Android recovery mode not working, crashes, samsung touch not working, freezes, and boot loops, etc. All you need to do is to free install DroidKit and connect your phone to the computer equipped with DroidKit, and then it will scan all the possible system errors such as Samsung Galaxy black screen issue on your phone. After that, you just need to fix the issues by following the tutorial below.