Do Multithreaded copies with n threads (default is eight) -> if your technique is nearly it, then it is best to take into account Placing this larger. The more you are able to do in parallel, the faster you will be out of the Threat zone Solitary-Use Menu PrintingSingle-use or https://www.essentialsoundproductions.com/question/the-definitive-guide-to-copy-messages-from-iphone-to-android/