Once you connect Bolt wifi module
You watch in this video link give blow IoT Project| how to use Bolt IoT device - YouTube
if both lights are on and in stable state, but it still isn’t showing on on your list of devices, this probably means the last step of adding the device to your account wasn’t successful.
While the wifi that your device is connected to is active, there is now way you can reset it, so you’ll have to first turn it off (hotspot or the router), restart the entire process and makes sure the final step completes, the app might stop responding but you’ll have to just wait for it.
I had a similar issue and doing this fixed it quite easily.