Half display doesn't works

Android Tablets Hi9 Pro
1

IMG_20200608_221610215
IMG_20200608_2216102152304×4096 2.56 MB

today I turn on the tablet and half of the display is black
Help! :frowning:

2

IMG_20200608_223119026
IMG_20200608_2231190262304×4096 1.16 MB

3

Please contact aftersale@chuwi.com.