My Phone works but screen is black, this may be your question also that i will try to answer in this post. so if you have blank / black screen problem in your Smartphone or you are working as a Smartphone technician, this post may help you to understand and fix black screen problem. Why some phone shows black screen? If a Smartphone stuck on black screen (Nothing on screen but phone is able to receive calls and messages) Blank / Black screen fault in a Smartphone can be appear due to many reasons but some of them will be describe below. System failure (System problems / errors that affect the display of your phone). Disconnection between board and display. Damaged display unit / Screen. I will try to write some details about these three reasons one by one, you should read all or any of them which you think most relevant to your problem. but if you are cellphone technician then i will suggest you to read all post because, different type of reasons...
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