If you have a piece of hardware labeled "Sim Card Reader Writer Sy 386" and you need that is "bootable" — you are likely holding a relic from the GSM 2G era. To "know" (connaitre) it properly, you must build a retro PC running MS-DOS 6.22 or FreeDOS from a bootable floppy.
The user inquiry specifically asks about the "bootable" aspect. This requires interpretation of the term in two contexts. If you have a piece of hardware labeled
Quickly transfer data from a SIM to a PC or clone content from one SIM to another. fragmented technical query
It seems the keyword you provided — — is a highly specific, fragmented technical query, likely combining multiple concepts: likely combining multiple concepts: