diff --git a/src/js/app.js b/src/js/app.js
index 4623896..edeb0ec 100644
--- a/src/js/app.js
+++ b/src/js/app.js
@@ -17,7 +17,7 @@ require([
 ], function(angular, AccountCtrl, LoginCtrl, LoginInitialCtrl, LoginNewDeviceCtrl, LoginExistingCtrl, MailListCtrl, ReadCtrl, WriteCtrl, NavigationCtrl) {
     'use strict';
 
-    var app = angular.module('mail', ['ngRoute', 'ngTouch', 'navigation', 'mail-list', 'write', 'read']);
+    var app = angular.module('mail', ['ngRoute', 'ngTouch', 'navigation', 'mail-list', 'write', 'read', 'login-new-device']);
 
     // set router paths
     app.config(function($routeProvider) {
diff --git a/src/js/controller/account.js b/src/js/controller/account.js
index d155ad2..ca2d2d3 100644
--- a/src/js/controller/account.js
+++ b/src/js/controller/account.js
@@ -37,13 +37,19 @@ define(function(require) {
 
         function download(content, filename, contentType) {
             contentType = contentType || 'application/octet-stream';
-            var a = document.createElement('a');
-            var blob = new Blob([content], {
-                'type': contentType
+            chrome.fileSystem.chooseEntry({
+                type: 'saveFile',
+                suggestedName: filename
+            }, function(file) {
+                if (!file) {
+                    return;
+                }
+                file.createWriter(function(writer) {
+                    writer.onerror = console.error;
+                    writer.onwriteend = function() {};
+                    writer.write(new Blob([content], { type: contentType }));
+                }, console.error);
             });
-            a.href = window.URL.createObjectURL(blob);
-            a.download = filename;
-            a.click();
         }
 
     };
diff --git a/src/js/controller/login-new-device.js b/src/js/controller/login-new-device.js
index 783b06c..cb4f6ce 100644
--- a/src/js/controller/login-new-device.js
+++ b/src/js/controller/login-new-device.js
@@ -1,13 +1,87 @@
-define(function() {
+define(function(require) {
     'use strict';
 
-    var LoginExistingCtrl = function($scope) {
-        
+    var angular = require('angular'),
+        appController = require('js/app-controller');
+
+    var LoginExistingCtrl = function($scope, $location) {
         $scope.confirmPassphrase = function() {
-            window.alert('Not implemented yet!');
+            var passphrase = $scope.passphrase,
+                emailDao = appController._emailDao;
+
+            if (!passphrase) {
+                return;
+            }
+
+            unlockCrypto(imapLogin);
+
+            function unlockCrypto(callback) {
+                var userId = emailDao._account.emailAddress;
+                emailDao._keychain.getUserKeyPair(userId, function(err, keypair) {
+                    if (err) {
+                        callback(err);
+                        return;
+                    }
+
+                    keypair.privateKey = {
+                        _id: keypair.publicKey._id,
+                        userId: userId,
+                        encryptedKey: $scope.key
+                    };
+                    emailDao.unlock(keypair, passphrase, function(err) {
+                        if (err) {
+                            callback(err);
+                            return;
+                        }
+
+                        emailDao._keychain.putUserKeyPair(keypair, callback);
+                    });
+                });
+            }
+
+            function imapLogin(err) {
+                if (err) {
+                    console.error(err);
+                    return;
+                }
+
+                // login to imap backend
+                appController._emailDao.imapLogin(function(err) {
+                    if (err) {
+                        console.error(err);
+                        return;
+                    }
+                    onLogin();
+                });
+            }
         };
 
+        function onLogin() {
+            $location.path('/desktop');
+            $scope.$apply();
+        }
     };
 
+    var ngModule = angular.module('login-new-device', []);
+    ngModule.directive('fileReader', function() {
+        return function(scope, elm) {
+            elm.bind('change', function(e) {
+                var files = e.target.files,
+                    reader = new FileReader();
+
+                if (files.length === 0) {
+                    return;
+                }
+
+                reader.onload = (function(scope) {
+                    return function(e) {
+                        scope.key = e.target.result;
+                    };
+                })(scope);
+                reader.readAsText(files[0]);
+            });
+        };
+    });
+
     return LoginExistingCtrl;
 });
\ No newline at end of file
diff --git a/src/js/controller/login.js b/src/js/controller/login.js
index 0e0efb0..9ed17da 100644
--- a/src/js/controller/login.js
+++ b/src/js/controller/login.js
@@ -40,7 +40,7 @@ define(function(require) {
 
         function redirect(availableKeys) {
             // redirect if needed
-            if (!availableKeys.publicKey) {
+            if (typeof availableKeys === 'undefined') {
                 // no public key available, start onboarding process
                 $location.path('/login-initial');
             } else if (!availableKeys.privateKey) {
diff --git a/src/js/dao/cloudstorage-dao.js b/src/js/dao/cloudstorage-dao.js
index a265d31..7ce4ed7 100644
--- a/src/js/dao/cloudstorage-dao.js
+++ b/src/js/dao/cloudstorage-dao.js
@@ -19,6 +19,9 @@ define(['jquery', 'js/app-config'], function($, app) {
 			url: uri,
 			type: 'GET',
 			dataType: 'json',
+			headers: {
+				'Accept': 'application/json',
+			},
 			success: function(res) {
 				callback(null, res);
 			},
diff --git a/src/manifest.json b/src/manifest.json
index 0a39aa8..829b3ad 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -7,7 +7,9 @@
   "icons": {
     "128": "img/icon.png"
   },
-  "permissions": [
+  "permissions": [{
+      "fileSystem": ["write"]
+    },
     "https://keys.whiteout.io/",
     "identity", {
       "socket": [
diff --git a/src/tpl/login-new-device.html b/src/tpl/login-new-device.html
index 9b5ebcc..292f10c 100644
--- a/src/tpl/login-new-device.html
+++ b/src/tpl/login-new-device.html
@@ -1 +1,18 @@
-<p>not implemented yet...</p>
+<div class="view-login">
+
+  <div class="logo-wrapper">
+    <div class="logo"></div>
+  </div><!--/logo-->
+
+  <div class="content">
+    <h1>Import keyfile</h1>
+
+    <p>You are already registered on another device. To access your communication on this device, please import the encrypted key file.</p>
+    
+    <form>
+      <div><input type="file" file-reader tabindex="1"></div>
+      <div><input type="password" ng-model="passphrase" placeholder="Passphrase" tabindex="2"></div>
+      <div><button type="submit" ng-click="confirmPassphrase()" class="btn" ng-disabled="!key" tabindex="3">Import</button>
+    </form>
+  </div>
+</div>
\ No newline at end of file