@dave1152000 Your better off asking in the Xperia thread https://forums.ubports.com/topic/3229/sony-xperia-x-suzu-f5121 for now as this is specific to the Xeperia and probably down to on going porting work. If not a porting issue there is a specific arm64 app thread https://forums.ubports.com/topic/3323/arm64-apps-and-testing/54
