The SY-386 Sim Card Reader Writer is a compact USB 2.0 device designed to interface SIM cards with computers for data management. It typically functions as a "Sim Editor" to back up, sync, and edit contacts or messages directly from a PC. Key Specifications & Features Model: SY-386.

Refer to the specific tool’s .TXT or .DOC file — often in French (since “connaitre” is French, your software may have French prompts).

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Step 3 — Configure serial communication in DOS

Create an AUTOEXEC.BAT on the USB with:

Data Management: Users can read, edit, and back up contacts (ADN), SMS messages, and fixed dialing numbers (FDN) to a PC.

Security Management: Some versions of the software allow for managing PIN codes directly.