Laird Connectivity is now EzurioAnswer
I am using stock firmware version (9.1.10).I sometimes I got unknown BLE message value, but I can't find the reference in the manual. There are 3 BLE message values have not been documented in the manual, but already existed in the firmware. These values were later added to the extension guide for FW 9.1.12. 22 Attempt to add a new bonding to the bonding database failed 23 On a BLE connection to a bonded device, if the current GATT table schema does not match wha existed at the last connection, then a GATT Service Change Indication is automatically sent and the app is informed via this event 24 On a BLE connection to a bonded device, if the current GATT table schema does not match wha existed at the last connection, then a GATT Service Change Indication is automatically sent and the app is informed when the client acknowledges that indication