diff --git a/app/js/lib/aes_worker.js b/app/js/lib/aes_worker.js
index 4fb69b50..2b89c847 100644
--- a/app/js/lib/aes_worker.js
+++ b/app/js/lib/aes_worker.js
@@ -7,7 +7,7 @@
 
 importScripts(
   '../../vendor/console-polyfill/console-polyfill.js',
-  'mtproto.js',
+  'bin_utils.js',
   '../../vendor/jsbn/jsbn_combined.js',
   '../../vendor/cryptoJS/crypto.js'
 );
diff --git a/app/js/lib/mtproto_wrapper.js b/app/js/lib/mtproto_wrapper.js
index a53809c5..bf564263 100644
--- a/app/js/lib/mtproto_wrapper.js
+++ b/app/js/lib/mtproto_wrapper.js
@@ -422,7 +422,7 @@ angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
         deferred.resolve(cachedDownloads[fileName] = FileManager.getUrl(blob, mimeType));
       }
     }, function () {
-      var fileWriterPromise = toFileEntry ? $q.when(toFileEntry) : fileStorage.getFileWriter(fileName, mimeType);
+      var fileWriterPromise = toFileEntry ? FileManager.getFileWriter(toFileEntry) : fileStorage.getFileWriter(fileName, mimeType);
 
       fileWriterPromise.then(function (fileWriter) {
         cacheFileWriter = fileWriter;
diff --git a/app/js/lib/ng_utils.js b/app/js/lib/ng_utils.js
index be46726b..dd6654a8 100644
--- a/app/js/lib/ng_utils.js
+++ b/app/js/lib/ng_utils.js
@@ -140,20 +140,14 @@ angular.module('izhukov.utils', [])
   $window.BlobBuilder = $window.BlobBuilder || $window.WebKitBlobBuilder || $window.MozBlobBuilder;
 
   function fileCopyTo (fromFileEntry, toFileEntry) {
-    var deferred = $q.defer();
-
-    toFileEntry.createWriter(function (fileWriter) {
-      fileWriteData(fileWriter, fromFileEntry).then(function () {
-        deferred.resolve(fileWriter);
-      }, function (e) {
-        deferred.reject(e);
+    return getFileWriter(toFileEntry).then(function (fileWriter) {
+      return fileWriteData(fileWriter, fromFileEntry).then(function () {
+        return fileWriter;
+      }, function (error) {
+        return $q.reject(error);
         fileWriter.truncate(0);
       });
-    }, function (e) {
-      deferred.reject(e);
     });
-
-    return deferred.promise;
   }
 
   function fileWriteData(fileWriter, bytes) {
@@ -166,9 +160,15 @@ angular.module('izhukov.utils', [])
       deferred.reject();
     };
 
-    if (bytes instanceof Blob) { // is file bytes
+    if (bytes instanceof FileEntry) {
+      bytes.file(function (file) {
+        fileWriter.write(file);
+      }, fileWriter.onerror);
+    }
+    else if (bytes instanceof Blob) { // is file bytes
       fileWriter.write(bytes);
-    } else {
+    }
+    else {
       fileWriter.write(new Blob([bytesToArrayBuffer(bytes)]));
     }
 
@@ -195,6 +195,18 @@ angular.module('izhukov.utils', [])
     return deferred.promise;
   }
 
+  function getFileWriter (fileEntry) {
+    var deferred = $q.defer();
+
+    fileEntry.createWriter(function (fileWriter) {
+      deferred.resolve(fileWriter);
+    }, function (error) {
+      deferred.reject(error);
+    });
+
+    return deferred.promise;
+  }
+
   function getFakeFileWriter (mimeType, saveFileCallback) {
     var blobParts = [],
         fakeFileWriter = {
@@ -259,6 +271,7 @@ angular.module('izhukov.utils', [])
   return {
     copy: fileCopyTo,
     write: fileWriteData,
+    getFileWriter: getFileWriter,
     getFakeFileWriter: getFakeFileWriter,
     chooseSave: chooseSaveFile,
     getUrl: getUrl,
@@ -429,7 +442,7 @@ angular.module('izhukov.utils', [])
         fileEntry.file(function(file) {
           // console.log(dT(), 'aa', file);
           if (file.size >= size) {
-            deferred.resolve(fileEntry);
+            deferred.resolve(file);
           } else {
             deferred.reject(new Error('FILE_NOT_FOUND'));
           }
@@ -457,11 +470,10 @@ angular.module('izhukov.utils', [])
     return requestFS().then(function () {
       var deferred = $q.defer();
       cachedFs.root.getFile(fileName, {create: true}, function (fileEntry) {
-        fileEntry.createWriter(function (fileWriter) {
+        FileManager.getFileWriter(fileEntry).then(function (fileWriter) {
           fileWriter.finalize = function () {
             return fileEntry;
           }
-          // console.log(dT(), 'got writer');
           deferred.resolve(fileWriter);
         }, function (error) {
           deferred.reject(error);
diff --git a/app/js/lib/pq_worker.js b/app/js/lib/pq_worker.js
index 2e7adab2..a54af723 100644
--- a/app/js/lib/pq_worker.js
+++ b/app/js/lib/pq_worker.js
@@ -7,7 +7,7 @@
 
 importScripts(
   '../../vendor/console-polyfill/console-polyfill.js',
-  'mtproto.js',
+  'bin_utils.js',
   '../../vendor/closure/long.js',
   '../../vendor/jsbn/jsbn_combined.js'
 );
diff --git a/app/js/lib/sha1_worker.js b/app/js/lib/sha1_worker.js
index f99aa3ba..bdcd198e 100644
--- a/app/js/lib/sha1_worker.js
+++ b/app/js/lib/sha1_worker.js
@@ -7,7 +7,7 @@
 
 importScripts(
   '../../vendor/console-polyfill/console-polyfill.js',
-  'mtproto.js',
+  'bin_utils.js',
   '../../vendor/cryptoJS/crypto.js'
 );
 
diff --git a/app/partials/phonebook_modal.html b/app/partials/phonebook_modal.html
index a3c85566..f22d8832 100644
--- a/app/partials/phonebook_modal.html
+++ b/app/partials/phonebook_modal.html
@@ -1,7 +1,11 @@
 <div class="contacts_modal_wrap" my-modal-position>
 
+  <a class="modal-close-button visible-xs" ng-click="$dismiss()"><i></i></a>
+
   <div class="modal-body">
 
+    <h4 class="modal_simple_header visible-xs">Phonebook</h4>
+
     <div class="contacts_modal_search">
       <input class="form-control contacts_modal_search_field" my-focused type="search" placeholder="Search" ng-model="search.query"/>
       <a class="contacts_modal_search_clear" ng-click="search.query = ''" ng-show="search.query.length"></a>