The device shows blue light and everything working correctly but unable to connect the device to app for further coding.
Follow the trouble shooting part of ‘Getting Started with IoT Cloud’ topic in module 1.
Hello!
@shrutipradhan2907 Change the password of your hotspot network and follow the setup process again to link your device to the new wifi network.
Once see this Demo video link 
Check this link : https://info.boltiot.com/how-to-setup-bolt