NSString *dataString =[[NSString alloc]initWithData:resumeData encoding:NSUTF8StringEncoding];

 NSString *string =[self cleanResumeDataWithString:dataString];
-(NSString *)cleanResumeDataWithString:(NSString *)dataString {
  if([dataString containsString:@"<key>NSURLSessionResumeByteRange</key>"]) {
    NSRange rangeKey = [dataString rangeOfString:@"<key>NSURLSessionResumeByteRange</key>"];
    NSString *headStr = [dataString substringToIndex:rangeKey.location];
    NSString *backStr = [dataString substringFromIndex:rangeKey.location];
    
    NSRange rangeValue = [backStr rangeOfString:@"</string>\n\t"];
    NSString *tailStr = [backStr substringFromIndex:rangeValue.location + rangeValue.length];
    dataString = [headStr stringByAppendingString:tailStr];
    
  }
  return dataString;
}

resumeData =[string dataUsingEncoding:NSUTF8StringEncoding];