If Memobird can't connect when you scan the QR code and the error "Don't support the device, please download Memobird" is shown, it means your Memobird device is the China Version which is only working in China. Please be aware that the China Version Memobird is neither supported nor covered by manufacture warranty in North America.
Memobird only sells its North America Version through its exclusive distributor Knectek Labs. and its authorized re-sellers. You can find where to buy Official Memobird North American Version from this article Where to buy the North America version of Memobird?
If you want to know which version you have, here's how to tell the difference between the China version and the North America version.
If you've already bought a China Version Memobird from one of these unauthorized sellers (mostly on Amazon, e-Bay or some China drop-shipping site such Aliexpress), we suggest you to return the China Version ASAP to protect your investment. Or you may try to contact China support as shown below.
Memobird China Support
Official Site: http://www.memobird.cn
Phone: +86 4008-613-222
Monday to Friday (8:00 to 17:30 China time)