how bolt is updating its code over the air . As gone through the whole course but there is nothing mention about how cloud is sending (updating ) the over the air code to the bolt module, which is uploaded on bolt cloud or code which run through vps .In the course only information about the connecting bolt to cloud and vps is given, but second part is not explained how cloud sending ota update to bolt module by which protocol by which method .please explained above my query .
And Also which firmware bolt is using .There is no information about the firmware is given. please give some information about firmware we are using on bolt .
please give your valuable time to solve my query .
thanking you .