This solved my problem with 860 EVO 1TB Using USB Cloning.
Magician says invalid Serial..but this software grabbed this wihtout any issue.
Now cloning is going on..i will update once done or any isssue.
Generally speaking, there are many factors that may lead to Samsung Magician failed on SSD. In a nutshell, the following reasons could be one of the elements.
▸Samsung Magician is not the latest version released.
▸Your Samsung SSD such as 850 EVO does not have the newest firmware.
▸Your computer runs Windows 10 with a GPT formatted partition table. The Secure Erase feature does not support GPT disk.
▸Your SSD TCG Opal/Encrypted Drive feature is enabled.
If you have taken the corresponding measures and the problem is still there, you can try an alternative to Samsung Magician: the AOMEI Partition Assistant software.