My phone is just black nothing .

Hello ~ Click on the following link and work through the steps there…

If your iPhone won't turn on or is frozen - Apple Support

If this doesn’t help you may need to have your iPhone checked out…

Genius Bar Reservation and Apple Support Options - Apple

~Katana-San~

قم بتحميل تطبيق itunes على الكمبيوتر ثم قم بتوصيل هاتفك عن طريق usp وسوف يظهر لك ماذا يحتاج جهازك