Sdwebimage:nsurlerrordomain-code = 406

Solution:overriding Request headers in Sdwebimage

Looking for the file "SDWEBIMAGEDOWNLOADER.M"

Replace

#ifdef SD_WEBP         = [@{@ "Accept"@ "image/webp,image/*;q=0.8"} mutablecopy ]; #else = [@{@ "Accept" @ "image/*;q=0.8"            } mutablecopy]; #endif

To

#ifdef SD_WEBP         = [@{@ "Accept"@ "image/webp,image/*;q=0.8"} mutablecopy ]; #else  = [@{@ "Accept" @ "image/*;q=0.8;q=0.9,*/*          " } Mutablecopy]; #endif

Sdwebimagedownloader is a Singleton object in IOS

So we could set a custom header value to ' Accept ' header to override the default header.

[Sdwebimagedownloader.shareddownloader setValue:@ "text/html,application/xhtml+xml,application/xml; q=0.9,image/webp,*/*;q=0.8"                             Forhttpheaderfield:@"Accept" ]; [Self.imageview sd_setimagewithurl:[self Imageurlforid:imageid] placeholderimage:image];

Sdwebimage:nsurlerrordomain-code = 406