The original software was designed for Windows XP and 7.
Open your computer's to confirm registration. Look under Ports (COM & LPT) for an entry named Prolific USB-to-Serial Comm Port or USB Serial Port . Note the assigned COM port number (e.g., COM3). Troubleshooting Common Errors "Device Cannot Start (Code 10)" Error
Plug the reader into a USB 2.0 port (older serial bridge chips frequently fail when connected to blue USB 3.0 ports).
Navigate to the extracted folder and launch the driver installer (often named something like USB-Driver Installer.exe or PL2303 Driver.exe ). Simmax USB Serial Sim Card Reader Software Driver .rar
Check the comments below or visit the Prolific driver update page. Remember: The driver isn’t magic; it’s just a bridge between USB and serial. Build that bridge correctly, and your SIM card will talk.
The Simmax reader often uses a Prolific PL2303 USB-to-Serial converter chip. Installing the correct driver is crucial, as the device will not appear in the system without it.
Before proceeding, ensure you use a reputable decompression tool like WinRAR or 7-Zip to extract the .rar file into a dedicated folder on your local drive. Step 1: Install the USB Serial Driver Disconnect the Simmax reader from your computer. The original software was designed for Windows XP and 7
To ensure your computer recognizes the Simmax reader, check the Windows Device Manager: Right-click the and select Device Manager . Scroll down and expand the Ports (COM & LPT) section.
Run the usb-driver installer.exe or PL2303_Prolific_Driver.exe included in the pack.
Software cannot detect any SIM card data. Note the assigned COM port number (e
Open the extracted folder and locate the driver setup file (usually named PL2303_Driver_Setup.exe or Setup.exe ). Right-click the installer and select .
Look for an entry such as Prolific USB-to-Serial Comm Port or USB Serial Port .
Because the Simmax software suite is obsolete, official manufacturer download links no longer exist. Files found under the exact string "Simmax USB Serial Sim Card Reader Software Driver .rar" on public file-sharing forums, media hosting sites, or unverified driver databases carry a high risk of containing malware, trojans, or adware.