Firmware Top | Zwnav

: Before downloading, you must check the barcode on the back of the unit. For 12.1-inch screens, if the barcode contains the letter

While no custom firmware is without risk, the performance gains offered by the "Top" build are undeniable. For enthusiasts willing to spend fifteen minutes with a USB drive, the reward is a faster, smarter, and more reliable driving experience. zwnav firmware top

Plug the media into the unit. Most ZWNAV units will automatically detect the file and prompt: "Update found. Do you want to install?" : Before downloading, you must check the barcode