here i am getting strange issue like i can able to make request into simulator but in real device gave error like "unable to read data" also attached screen shot
My Code :
let urlPath: String = url_to_request
let url:NSURL = NSURL(string: urlPath)!
let session = URLSession.shared
let request = NSMutableURLRequest(url: url as URL)
request.httpMethod = "POST"
request.cachePolicy = NSURLRequest.CachePolicy.reloadIgnoringCacheData