As of early 2026, is the most widely documented version available through standard channels. While users often search for a "v1.6" download, Quectel support forums indicate that the tool has not been actively maintained for several years, with support representatives increasingly recommending the use of QCOM as a modern alternative for sending AT commands. Official Download Sources
Choose the "Quectel USB AT Port" from the dropdown menu within the app. Baud Rate: Most modern modules default to 115200 . ❓ Frequently Asked Questions
When the next update came from the mainstream vendor, it was glossy and sleek and had a dozen features Ari couldn’t care less about. People still used it, and there was a place for it. But there was also a place for something else: an app that encouraged you to slow down, to read the margin notes left by others and leave some of your own.