After connecting the device Huawei mate x3 and press Read Info I get error message:
Connecting device…
Device connected successfully.
CPU_SN: 0×9F40B7E3
MSM_ID: 0×00000010
Acquiring and downloading remote resource files…
Resources loaded successfully
Verifying resource package…
Resource data verification correct
Initializing connection…
Downloading boot data to phone…
Error; Boot loading failed, data cable or poor contact of the mobile phone tail plug, incorrect mobile phone model selection will cause this error, error code:04