A: No. Those run Android 11/12. You need a modern tool. v1.4.3 works only up to Android 8/9 depending on the security patch.
A: No native version. You need VirtualBox or Parallels running Windows 7/10. samfirm tool aio v1.4.3 download gsm classic
However, for modern Samsung devices (2020–present), do not rely on v1.4.3. Treat it as a specialized tool for your classic Samsung repair bench. for modern Samsung devices (2020–present)