DengFX201015421

and READ_PHONE_STATE the same. i have allowed READ_PHONE_STATE permission,but it still crashed,with exception: java.lang.RuntimeException: Failure delivering result ResultInfo{who=@android:requestPermissions:, request=0, result=-1, data=Intent { act=android.content.pm.action.REQUEST_PERMISSIONS (has extras) }} to activity {com.centchain.changyo.speeder/com.centchain.changyo.ui.SpeederActivity}: java.lang.SecurityException:...

from /Fornjot/tools/export-validator/lib3mf/README.md, just download [lib3mf_sdk_v2.2.0.zip](https://github.com/3MFConsortium/lib3mf/releases/download/v2.2.0/lib3mf_sdk_v2.2.0.zip),unzip it, copy(overwrites needs maybe)lib files in /Bin to Fornjot/tools/export-validator/lib3mf/libs/, this issue resolved.

求教你的mx250咋驱动的？