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
