Here's a detailed guide showing how to change the firmware of new Sonoff products using BL602 WiFi module. In this case we will program the E27 B05-BL-A60 bulb and setup the BP5758 LED driver, but the similar approach can be used for many other BL602-based products.
Here's the guide:
Thank you for watching. We would also like to thank our user for sending us this bulb - this video wouldn't be created without your support! If anyone also wants to support us, consider doing a donation at: https://www.paypal.com/paypalme/openshwprojects
Feel free to ask any questions, we're here to help you with device setup and pairing with HA.