diff --git a/src/api/flash/defyFlasher/NRf52833-flasher.js b/src/api/flash/defyFlasher/NRf52833-flasher.js
index f57f4c074..4df629309 100644
--- a/src/api/flash/defyFlasher/NRf52833-flasher.js
+++ b/src/api/flash/defyFlasher/NRf52833-flasher.js
@@ -102,8 +102,8 @@ async function read_cb(callback) {
  * Closes the connection to the bootloader.
  * @param {function} cb - An optional callback to run once all the functions have completed.
  */
-function disconnect_cb(cb) {
-  focus.close();
+async function disconnect_cb(cb) {
+  await focus.close();
   cb(null, "");
 }
 
diff --git a/src/api/flash/index.js b/src/api/flash/index.js
index 3cc0d1bfb..75b8be2af 100644
--- a/src/api/flash/index.js
+++ b/src/api/flash/index.js
@@ -1,4 +1,4 @@
 import { FlashRaise } from "./raiseFlasher/flash";
-import { FlashDefyWired, FlashDefyWireless } from "./defyFlasher/flash";
+import { FlashDefyWireless } from "./defyFlasher/flash";
 
-export { FlashRaise, FlashDefyWired, FlashDefyWireless };
+export { FlashRaise, FlashDefyWireless };
diff --git a/src/api/flash/raiseFlasher/arduino-flasher.js b/src/api/flash/raiseFlasher/arduino-flasher.js
index 50e419c33..ddf073aa9 100644
--- a/src/api/flash/raiseFlasher/arduino-flasher.js
+++ b/src/api/flash/raiseFlasher/arduino-flasher.js
@@ -101,8 +101,8 @@ async function read_cb(callback) {
  * Closes the connection to the bootloader.
  * @param {function} cb - An optional callback to run once all the functions have completed.
  */
-function disconnect_cb(cb) {
-  focus.close();
+async function disconnect_cb(cb) {
+  await focus.close();
   cb(null, "");
 }
 
diff --git a/src/api/focus/index.js b/src/api/focus/index.js
index cd3ccc8ef..72838bb48 100644
--- a/src/api/focus/index.js
+++ b/src/api/focus/index.js
@@ -25,7 +25,6 @@ global.focus_instance = null;
 
 class Focus {
   constructor() {
-    this.delay = ms => new Promise(res => setTimeout(res, ms));
     if (!global.focus_instance) {
       global.focus_instance = this;
       this.commands = {
@@ -39,6 +38,8 @@ class Focus {
     return global.focus_instance;
   }
 
+  delay = ms => new Promise(res => setTimeout(res, ms));
+
   debugLog(...args) {
     if (!this.debug) return;
     console.log(...args);
@@ -83,63 +84,28 @@ class Focus {
       return true;
     }
 
-    console.warn("Warning! device being opened", device.isOpen, device, info);
-    let count = 0;
-    while (device._eventsCount < 5 && count < 8) {
-      console.log("waiting for device");
-      await this.delay(250);
-      count++;
+    if (this._port !== undefined && this._port.isOpen === false) {
+      this.close();
     }
-    if (count == 8) return;
-    if (this._port) this._port.close();
-    if (typeof device == "string") {
-      if (!info) throw new Error("Device descriptor argument is mandatory");
-      this._port = new SerialPort(
-        {
-          path: device,
-          baudRate: 115200
-        },
-        err => {
-          if (err !== null) {
-            console.error(err);
-          }
-        }
-      );
-    } else if (typeof device == "object") {
-      if (device.hasOwnProperty("binding")) {
-        if (!info) throw new Error("Device descriptor argument is mandatory");
-        const path = device.path;
-        await device.close();
-        this._port = new SerialPort(
-          {
-            path: path,
-            baudRate: 115200
-          },
-          err => {
-            if (err !== null) {
-              console.error(err);
-            }
-          }
-        );
+
+    // console.log("Warning! device being opened");
+    // console.log("port status opened?", this._port ? this._port.isOpen : "unknown");
+    // console.log("received device", device);
+    // console.log("received info: ", info);
+
+    try {
+      let path = undefined;
+      if (typeof device == "string") path = device;
+      if (typeof device == "object") path = device.settings.path;
+      if (path !== undefined) {
+        await SerialPort.list();
+        this._port = new SerialPort({ path: path, baudRate: 115200, autoOpen: true });
       } else {
-        let devices = await this.find(device);
-        if (devices && devices.length >= 1) {
-          this._port = new SerialPort(
-            {
-              path: devices[0].path,
-              baudRate: 115200
-            },
-            err => {
-              if (err !== null) {
-                console.error(err);
-              }
-            }
-          );
-        }
-        info = device;
+        throw Error("device not a string or object!");
       }
-    } else {
-      throw new Error("Invalid argument");
+    } catch (error) {
+      console.error("found this error!", error);
+      throw new Error("Unable to connect");
     }
 
     this.device = info;
@@ -182,53 +148,52 @@ class Focus {
       }
     }
 
-    // Setup close port alert
-    this._port.on("close", function (error) {
-      if (error !== null && error.disconnected === true) {
-        console.error("Error: device disconnected without control");
-        this.closed = true;
-      } else {
-        console.warn("Warning: device disconnected by user interaction");
-        this.closed = true;
-      }
-    });
     // Setup error port alert
-    this._port.on("error", function (err) {
+    this._port.on("error", async function (err) {
       console.error("Error on SerialPort: " + err);
+      await this._port.close();
     });
     this.closed = false;
     return this._port;
   }
 
-  async close() {
-    // if (this._port) {
-    //   console.log("closing port data >>");
-    //   console.log(inspect(this._port));
-    //   console.log(this._port._eventsCount);
-    //   console.log(
-    //     "Port State: ",
-    //     this._port ? this._port.isOpen : "unable to open"
-    //   );
-    // }
-    try {
-      console.log("CLOSING!!", this._port);
-      if (this._port && this._port.isOpen) {
-        await this._port.close();
-      }
-    } catch (error) {
-      console.log(error);
-    }
-
+  clearContext() {
     this.result = "";
     this.callbacks = [];
-    this._port = null;
     this.device = null;
     this.supportedCommands = [];
-    this.closed = true;
     this.file = false;
     this.fileData = null;
   }
 
+  async close() {
+    if (this.file !== false) {
+      this.clearContext();
+      this.closed = true;
+      return true;
+    }
+    let result;
+    try {
+      if (this._port) {
+        while (this._port.isOpen === true) {
+          // console.log("Closing device port!!", this._port);
+          result = await this._port.close();
+          // console.log("is it still open? ", this._port.isOpen, result);
+          await this._port.removeAllListeners();
+          await this._port.destroy();
+          // console.log("is it destroyed?", this._port.destroyed);
+        }
+        delete this._port;
+        this.closed = true;
+      }
+    } catch (error) {
+      console.error("error when closing", error);
+    }
+
+    this.clearContext();
+    return result;
+  }
+
   async isDeviceAccessible(port) {
     if (process.platform !== "linux") return true;
 
@@ -240,12 +205,12 @@ class Focus {
     return true;
   }
 
-  async isDeviceSupported(port) {
-    if (!port.device.isDeviceSupported) {
+  async isDeviceSupported(device) {
+    if (!device.device.isDeviceSupported) {
       return true;
     }
-    const supported = await port.device.isDeviceSupported(port);
-    this.debugLog("focus.isDeviceSupported: port=", port, "supported=", supported);
+    const supported = await device.device.isDeviceSupported(device);
+    this.debugLog("focus.isDeviceSupported: port=", device, "supported=", supported);
     return supported;
   }
 
diff --git a/src/api/hardware-dygma-defy-wired/index.js b/src/api/hardware-dygma-defy-wired/index.js
index b348d2e1a..3b3099440 100644
--- a/src/api/hardware-dygma-defy-wired/index.js
+++ b/src/api/hardware-dygma-defy-wired/index.js
@@ -66,12 +66,12 @@ const Defy_wired = {
   },
 
   isDeviceSupported: async port => {
-    let focus = new Focus();
+    const focus = new Focus();
     focus._port && focus._port.path === port.path
       ? await focus.open(focus._port, port.device, null)
       : await focus.open(port.path, port.device, null);
     port.serialNumber = await focus.command("hardware.chip_id");
-    focus.close();
+    let result = await focus.close();
     return true;
   }
 };
diff --git a/src/api/hardware-dygma-defy-wireless/index.js b/src/api/hardware-dygma-defy-wireless/index.js
index 9adc78ad8..7b690faff 100644
--- a/src/api/hardware-dygma-defy-wireless/index.js
+++ b/src/api/hardware-dygma-defy-wireless/index.js
@@ -67,12 +67,12 @@ const Defy_wireless = {
   },
 
   isDeviceSupported: async port => {
-    let focus = new Focus();
+    const focus = new Focus();
     focus._port && focus._port.path === port.path
       ? await focus.open(focus._port, port.device, null)
       : await focus.open(port.path, port.device, null);
     port.serialNumber = await focus.command("hardware.chip_id");
-    focus.close();
+    let result = await focus.close();
     return true;
   }
 };
diff --git a/src/api/hardware-dygma-raise-ansi/index.js b/src/api/hardware-dygma-raise-ansi/index.js
index bfcf7bc47..785930da2 100644
--- a/src/api/hardware-dygma-raise-ansi/index.js
+++ b/src/api/hardware-dygma-raise-ansi/index.js
@@ -66,17 +66,13 @@ const Raise_ANSI = {
   },
 
   isDeviceSupported: async port => {
-    let focus = new Focus();
-    let layout = localStorage.getItem(port.serialNumber);
-    if (!layout) {
-      focus._port && focus._port.path === port.path
-        ? await focus.open(focus._port, port.device, null)
-        : await focus.open(port.path, port.device, null);
-      port.serialNumber = await focus.command("hardware.chip_id");
-      layout = await focus.command("hardware.layout");
-      focus.close();
-      localStorage.setItem(port.serialNumber, layout);
-    }
+    const focus = new Focus();
+    focus._port && focus._port.path === port.path
+      ? await focus.open(focus._port, port, null)
+      : await focus.open(port.path, port.device, null);
+    port.serialNumber = await focus.command("hardware.chip_id");
+    let layout = await focus.command("hardware.layout");
+    await focus.close();
     return layout.trim() === "ANSI";
   }
 };
diff --git a/src/api/hardware-dygma-raise-iso/index.js b/src/api/hardware-dygma-raise-iso/index.js
index 310c50ed3..7a095f45e 100644
--- a/src/api/hardware-dygma-raise-iso/index.js
+++ b/src/api/hardware-dygma-raise-iso/index.js
@@ -66,17 +66,13 @@ const Raise_ISO = {
   },
 
   isDeviceSupported: async port => {
-    let focus = new Focus();
-    let layout = localStorage.getItem(port.serialNumber);
-    if (!layout) {
-      focus._port && focus._port.path === port.path
-        ? await focus.open(focus._port, port.device, null)
-        : await focus.open(port.path, port.device, null);
-      port.serialNumber = await focus.command("hardware.chip_id");
-      layout = await focus.command("hardware.layout");
-      focus.close();
-      localStorage.setItem(port.serialNumber, layout);
-    }
+    const focus = new Focus();
+    focus._port && focus._port.path === port.path
+      ? await focus.open(focus._port, port.device, null)
+      : await focus.open(port.path, port.device, null);
+    port.serialNumber = await focus.command("hardware.chip_id");
+    let layout = await focus.command("hardware.layout");
+    await focus.close();
     return layout.trim() === "ISO";
   }
 };
diff --git a/src/renderer/App.js b/src/renderer/App.js
index 65b1b841a..c71fe8cbe 100644
--- a/src/renderer/App.js
+++ b/src/renderer/App.js
@@ -53,7 +53,7 @@ const { ipcRenderer } = require("electron");
 const path = require("path");
 
 let focus = new Focus();
-focus.debug = false;
+focus.debug = true;
 focus.timeout = 5000;
 
 class App extends React.Component {
@@ -289,7 +289,7 @@ class App extends React.Component {
   };
 
   onKeyboardDisconnect = async () => {
-    focus.close();
+    await focus.close();
     this.setState({
       connected: false,
       device: null,
diff --git a/src/renderer/views/SelectKeyboard.js b/src/renderer/views/SelectKeyboard.js
index 39c5dd4cb..da4546dc5 100644
--- a/src/renderer/views/SelectKeyboard.js
+++ b/src/renderer/views/SelectKeyboard.js
@@ -255,6 +255,7 @@ class SelectKeyboard extends Component {
           let supported_devices = [];
           for (const device of devices) {
             device.accessible = await focus.isDeviceAccessible(device);
+            console.log("before checking device supported", device, focus);
             if (device.accessible && (await focus.isDeviceSupported(device))) {
               supported_devices.push(device);
             } else if (!device.accessible) {
@@ -334,12 +335,12 @@ class SelectKeyboard extends Component {
   }
 
   selectVirtualKeyboard = event => {
-    console.log(event);
+    // console.log(event);
     this.setState({ selectedVirtualKeyboard: event });
   };
 
   selectPort = event => {
-    console.log(event);
+    // console.log(event);
     this.setState({ selectedPortIndex: event });
   };