Ryan Powell

Yes, the attributes cannot be changed while there are active connections because the handles need to be changed.

Thanks, seems there may be a bug in this case. I will need to look into this.

Could you post some logs at debug level? That would help a lot.

Thanks, looks like an android issue, or app issue there. The client device should subscribe to the service changed indication and request the database from the peripheral when it receives...

When the device bonds the esp32 stores the subscription in NVS and will send the notification upon reconnecting

@sanastasiou There might be some improvement to this in #763 if you'd like to test.

Is your phone bonded to the esp32?

This should be resolved by commit a12f3d4

The extended advertising components of this library were developed separately from the core BLE library so this is not exactly backward compatible in that area. What I think you are...

There is a callback that is called when the notification is sent. Also your connection interval parameter will determine the rate that you can send packets, minimum 7.5ms.