Hi @Edgar1, It's a very long time since you posted, but I'm hoping you might answer my questions: Do you remember which ESP32 module you were using? (e.g. was it an ESP32-WROOM-32 ?) Did you have to re-flash the ESP32 to add Classic Bluetooth functions? Or did the module come with Classic bluetooth ...

I'm trying to work out the right sequence of AT commands to initialise BLE on my Sparkfun Micromod ESP32 Function Board ( https://www.sparkfun.com/products/18430 ) that uses the ESP32-WROOM-32E. Hoping for expert guidance after trying many, many AT sequences with minimal progress success :? If I ent...