The background of Huawei mate9 notification information is white, and no text can be seen.

Enter the notification and control center page in mobile phone settings, click the notification display setting option, and check the classic mode to solve the problem that the background is white.

Operation method: 1 Open the settings of the mobile phone, and click the option of notification and control center. 2 Click the notification display settings option. 3 Click the Classic Style option. Reopen the notification bar and successfully restore it to black words on a white background. Pay attention to switching several times to solve it.

Huawei mate9 is a new generation of business flagship mobile phone launched by Huawei, equipped with Kirin 960 Hisilicon processor and Android 7.0 operating system. It was officially released in Munich, Germany at 9: 00 pm Beijing time (20 16, 1.3), among which Huawei mate9 was released on 20 1.4. 2018 On September 29th, Huawei mate9 launched the WeChat fingerprint payment function.