Ensure you are using a USB programming cable compatible with Weierwei/Kenwood (e.g., a or CH340 chip-based cable). 2. Installing USB Drivers
Only if your board has at least 2GB RAM and 16GB eMMC. Check with your vendor for a paid upgrade package – Weierwei offers this for bulk orders, but not always for retail buyers. Weierwei Vev 3288s Software Download