The first 12mp camera captures color information while the seconds 12mp camera capture black and white information. Phone freezes, or displays a black/blue/white screen. Huawei P9 Lite De Leukste Hoesjes Online Black And White Sony Xperia Z3 Phone Cases Step 2 proceed further and click on repair now. Why is my phone black and white huawei . Fix white screen on android phone/tablet due to software issue. Recommended answerrecommended answers ( 1) scottg_tc. Open settings, and tap accessibility. The smartphone will be powered by a 3800mah (typ) battery which supports 22.5w huawei super charge fast charging. If your phone displays white text on a black background, you may have enabled color inversion which will change the color of the text and background on the screen. To resolve this issue, forcibly restart your phone by pressing and holding the power button for more than 10 seconds (for phones running emui 11.0, press and hold both the volume down button and power button fo...