Screen is great, just can't get lights to come on now, does it need reset? (head and tail light)
Press the ''up'' button for more than 3S, the headlight will automatically turn on
No info on how to work the device, is flawed.
Hello, please refer to our S700 manual. https://haoqiebike.com/pages/unlock-the-s700-controller_download-manual
It was a quick plug and play fir the unit I broke