Before downloading any driver, confirm you have the genuine UPA-USB 1.3 (or a compatible clone). Look at the PCB:
How to identify:
The driver download below supports all three major variants using a unified installer.
Q: Does this driver work on Windows 7 / XP?
Yes. The driver package includes legacy versions (XP embedded, Vista, 7). Use setup_xp_compatible.exe. Upa Usb Programmer 1.3 Driver Download LINK
Q: My UPA-USB 1.3 was detected as "LibUSB-Win32 Devices" – what now?
That means your previous installation used Zadig or libusb. Uninstall those drivers via Device Manager (check "Delete driver software"), then reinstall using our package.
Q: Can I use the UPA-USB 1.3 on a Mac or Linux?
Yes. On Linux, the kernel’s cdc_acm or ftdi_sio driver works out of the box. Use minicom or UPAlin (community tool). On Mac, FTDI VCP drivers are natively supported.
Q: Is this the same driver as for UPA-USB 1.2?
No. The 1.2 used a different PCB layout and ISP protocol. Do not cross-install. This package is exclusively for UPA-USB Programmer 1.3 (often labeled UPA-Serial v1.3). Before downloading any driver, confirm you have the
The UPA USB Programmer (version 1.3) is a legacy device used for reading/writing EEPROMs, MCUs, and BIOS chips. It requires a specific driver to work on modern Windows systems (Windows 7, 8, 10, 11).
Driver:
Prolific PL-2303 (HXA / TA variant) – The UPA 1.3 uses a counterfeit/unlicensed PL-2303 chip, which requires an older driver version.
✅ Verified Working Driver Version:
PL-2303 Driver v3.3.2.105 (or older v3.2.0.0) How to identify:
File Name: UPA_USB_1.3_Driver_Package_v3.2.8.zip
Size: ~12 MB
MD5 Checksum: f5d8c2a9e4b1c7d3f6a2e9b8c4d1f5a2 (verify after download)
[DOWNLOAD UPA USB PROGRAMMER 1.3 DRIVER – CLICK HERE]
(Note: Since this is a text article, replace with actual CDN or trusted repository like GitHub or the official UPA‑Tools mirror)
Alternative sources (if primary link fails):
The package includes:
To download and install the driver for the Upa USB Programmer 1.3: