I updated the app one of the new Feature for the sparks says

4. Added manual locking for transmission frequencies and channels,

I dont know if im doing something wrong but i do not see or know how to lock my transmission to always broadcast at 2.4ghz wifi i prefer it better than 5.8ghz


If someone knows please let me know THANKS in advance

maybe with new firmware?

Upcoming firmware will enable this option, sit tight -eta soon'ish.