nRF Connect, 2022-06-20 My_Device (F3:AD:40:4F:4C:4C) V 09:56:28.189 Connecting to F3:AD:40:4F:4C:4C... D 09:56:28.189 gatt = device.connectGatt(autoConnect = false, TRANSPORT_LE, preferred PHY = LE 1M) D 09:56:28.719 [Callback] Connection state changed with status: 0 and new state: CONNECTED (2) I 09:56:28.719 Connected to F3:AD:40:4F:4C:4C D 09:56:28.719 wait(1600ms) D 09:56:28.726 [Broadcast] Action received: android.bluetooth.device.action.ACL_CONNECTED I 09:56:29.165 Connection parameters updated (interval: 7.5ms, latency: 0, timeout: 5000ms) I 09:56:29.274 PHY updated (TX: LE 2M, RX: LE 2M) I 09:56:29.704 Connection parameters updated (interval: 45.0ms, latency: 0, timeout: 5000ms) V 09:56:30.321 Discovering services... D 09:56:30.321 gatt.discoverServices() D 09:56:30.332 [Callback] Services discovered with status: 0 I 09:56:30.332 Services discovered V 09:56:30.353 Generic Attribute (0x1801) - Service Changed [I] (0x2A05)    Client Characteristic Configuration (0x2902) - Client Supported Features [R W] (0x2B29) - Database Hash [R] (0x2B2A) Generic Access (0x1800) - Device Name [R] (0x2A00) - Appearance [R] (0x2A01) - Peripheral Preferred Connection Parameters [R] (0x2A04) Unknown Service (75c276c3-8f97-20bc-a143-b354244886d4) - Unknown Characteristic [W WNR] (6acf4f08-cc9d-d495-6b41-aa7e60c4e8a6) - Unknown Characteristic [N] (d3d46a35-4394-e9aa-5a43-e7921120aaed)    Client Characteristic Configuration (0x2902) - Unknown Characteristic [W WNR] (6acf4f08-cc9d-d495-6b41-aa7e60c4e8a6) - Unknown Characteristic [N] (d3d46a35-4394-e9aa-5a43-e7921120aaed)    Client Characteristic Configuration (0x2902) SMP Service (8d53dc1d-1db7-4cd3-868b-8a527460aa84) - SMP Characteristic [N WNR] (da2e7828-fbce-4e01-ae9e-261174997c48) - SMP Characteristic [N WNR] (da2e7828-fbce-4e01-ae9e-261174997c48)    Client Characteristic Configuration (0x2902) D 09:56:30.353 gatt.setCharacteristicNotification(00002a05-0000-1000-8000-00805f9b34fb, true) D 09:56:30.355 gatt.setCharacteristicNotification(d3d46a35-4394-e9aa-5a43-e7921120aaed, true) D 09:56:30.357 gatt.setCharacteristicNotification(d3d46a35-4394-e9aa-5a43-e7921120aaed, true) I 09:56:33.934 Connection parameters updated (interval: 45.0ms, latency: 0, timeout: 420ms) V 09:56:34.799 [McuMgr] Connecting... D 09:56:34.804 [McuMgr] gatt = device.connectGatt(autoConnect = false, TRANSPORT_LE, LE 1M) D 09:56:34.836 [McuMgr] [Callback] Connection state changed with status: 0 and new state: 2 (CONNECTED) I 09:56:34.839 [McuMgr] Connected to F3:AD:40:4F:4C:4C D 09:56:34.843 [McuMgr] wait(1600) V 09:56:36.453 [McuMgr] Discovering services... D 09:56:36.462 [McuMgr] gatt.discoverServices() I 09:56:36.470 [McuMgr] Services discovered V 09:56:36.475 [McuMgr] Primary service found V 09:56:36.481 [McuMgr] Requesting new MTU... D 09:56:36.485 [McuMgr] gatt.requestMtu(498) I 09:56:36.544 [McuMgr] MTU changed to: 247 A 09:56:36.551 [McuMgr] Sending (10 bytes) Header (Op: 0, Flags: 0, Len: 2, Group: 1, Seq: 0, Command: 0) CBOR {} V 09:56:36.555 [McuMgr] Writing characteristic da2e7828-fbce-4e01-ae9e-261174997c48 (WRITE COMMAND) D 09:56:36.559 [McuMgr] gatt.writeCharacteristic(da2e7828-fbce-4e01-ae9e-261174997c48) I 09:56:36.568 [McuMgr] Data written to da2e7828-fbce-4e01-ae9e-261174997c48, value: (0x) 00-00-00-02-00-01-00-00-BF-FF V 09:57:06.583 [McuMgr] Disconnecting... D 09:57:06.590 [McuMgr] gatt.disconnect() D 09:57:06.597 [McuMgr] [Callback] Connection state changed with status: 0 and new state: 0 (DISCONNECTED) I 09:57:06.603 [McuMgr] Disconnected D 09:57:06.610 [McuMgr] gatt.close()