private void PlatformInit() { // android default - replaced by callback after request or change Mtu = 20; _gattCallback = new GattCallback(this); _gatt = ((ABluetooth.BluetoothDevice)Device).ConnectGatt(Android.App.Application.Context, AutoConnect, _gattCallback, ABluetooth.BluetoothTransports.Le); _gatt.RequestMtu(512); }