The OTP area can be read and written. But the serial number, on the basis of which the Software-ID is generated, is in the area that is written at the factory. And it cannot be changed. That is, each flash drive has a unique, unchangeable number. This procedure can only be done with an HDD disk. But this is quite difficult.
After cloning the firmware the only problem is the license. MAC addresses remain the same. They are (only one:) ) available in the open form in the dump.