diff --git a/apps/common/mobile/lib/controller/collaboration/Collaboration.jsx b/apps/common/mobile/lib/controller/collaboration/Collaboration.jsx
index 8104543e3..6cb82db7c 100644
--- a/apps/common/mobile/lib/controller/collaboration/Collaboration.jsx
+++ b/apps/common/mobile/lib/controller/collaboration/Collaboration.jsx
@@ -17,6 +17,7 @@ class CollaborationController extends Component {
             api.asc_registerCallback('asc_OnTryUndoInFastCollaborative', this.onTryUndoInFastCollaborative.bind(this));
         });
 
+        Common.Notifications.on('api:disconnect', this.onCoAuthoringDisconnect.bind(this));
         Common.Notifications.on('document:ready', this.onDocumentReady.bind(this));
     }
 
diff --git a/apps/documenteditor/mobile/src/controller/Toolbar.jsx b/apps/documenteditor/mobile/src/controller/Toolbar.jsx
index a0028b81c..79286c70a 100644
--- a/apps/documenteditor/mobile/src/controller/Toolbar.jsx
+++ b/apps/documenteditor/mobile/src/controller/Toolbar.jsx
@@ -1,10 +1,10 @@
 import React, { useEffect, useState } from 'react';
-import { inject } from 'mobx-react';
+import { inject, observer } from 'mobx-react';
 import { f7 } from 'framework7-react';
 import { useTranslation } from 'react-i18next';
 import ToolbarView from "../view/Toolbar";
 
-const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(props => {
+const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(observer(props => {
     const {t} = useTranslation();
     const _t = t("Toolbar", { returnObjects: true });
 
@@ -23,8 +23,6 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(prop
             api.asc_registerCallback('asc_onCanUndo', onApiCanUndo);
             api.asc_registerCallback('asc_onCanRedo', onApiCanRedo);
             api.asc_registerCallback('asc_onFocusObject', onApiFocusObject);
-            api.asc_registerCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
-            Common.Notifications.on('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.on('toolbar:activatecontrols', activateControls);
             Common.Notifications.on('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.on('goback', goBack);
@@ -37,10 +35,15 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(prop
             onDocumentReady();
         }
 
+        if (isDisconnected) {
+            f7.popover.close();
+            f7.sheet.close();
+            f7.popup.close();
+        }
+
         return () => {
             Common.Notifications.off('document:ready', onDocumentReady);
             Common.Notifications.off('setdoctitle', setDocTitle);
-            Common.Notifications.off('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.off('toolbar:activatecontrols', activateControls);
             Common.Notifications.off('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.off('goback', goBack);
@@ -49,7 +52,6 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(prop
             api.asc_unregisterCallback('asc_onCanUndo', onApiCanUndo);
             api.asc_unregisterCallback('asc_onCanRedo', onApiCanRedo);
             api.asc_unregisterCallback('asc_onFocusObject', onApiFocusObject);
-            api.asc_unregisterCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
         }
     });
 
@@ -163,15 +165,6 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(prop
         }
     };
 
-    const onCoAuthoringDisconnect = (enableDownload) => {
-        deactivateEditControls(enableDownload);
-        setCanUndo(false);
-        setCanRedo(false);
-        f7.popover.close();
-        f7.sheet.close();
-        f7.popup.close();
-    };
-
     const [disabledControls, setDisabledControls] = useState(true);
     const activateControls = () => {
         setDisabledControls(false);
@@ -200,8 +193,9 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeReview')(prop
                      readerMode={readerMode}
                      showEditDocument={showEditDocument}
                      onEditDocument={onEditDocument}
+                     isDisconnected={isDisconnected}
         />
     )
-});
+}));
 
 export {ToolbarController as Toolbar};
\ No newline at end of file
diff --git a/apps/documenteditor/mobile/src/view/Toolbar.jsx b/apps/documenteditor/mobile/src/view/Toolbar.jsx
index aa45f2793..6a801fdd1 100644
--- a/apps/documenteditor/mobile/src/view/Toolbar.jsx
+++ b/apps/documenteditor/mobile/src/view/Toolbar.jsx
@@ -4,14 +4,15 @@ import { Device } from '../../../../common/mobile/utils/device';
 import EditorUIController from '../lib/patch'
 
 const ToolbarView = props => {
-    const disableEditBtn = props.isObjectLocked || props.stateDisplayMode || props.disabledEditControls;
+    const isDisconnected = props.isDisconnected;
+    const disableEditBtn = props.isObjectLocked || props.stateDisplayMode || props.disabledEditControls || isDisconnected;
     return (
         <Fragment>
             <NavLeft>
                 {props.isShowBack && <Link className={`btn-doc-back${props.disabledControls && ' disabled'}`} icon='icon-back' onClick={props.onBack}></Link>}
                 {Device.ios && props.isEdit && EditorUIController.getUndoRedo && EditorUIController.getUndoRedo({
-                    disabledUndo: !props.isCanUndo,
-                    disabledRedo: !props.isCanRedo,
+                    disabledUndo: !props.isCanUndo || isDisconnected,
+                    disabledRedo: !props.isCanRedo || isDisconnected,
                     onUndoClick: props.onUndo,
                     onRedoClick: props.onRedo
                 })}
diff --git a/apps/presentationeditor/mobile/src/controller/Toolbar.jsx b/apps/presentationeditor/mobile/src/controller/Toolbar.jsx
index 42a240a7b..87225a53d 100644
--- a/apps/presentationeditor/mobile/src/controller/Toolbar.jsx
+++ b/apps/presentationeditor/mobile/src/controller/Toolbar.jsx
@@ -1,10 +1,10 @@
 import React, { useEffect, useState } from 'react';
-import { inject } from 'mobx-react';
+import { inject, observer } from 'mobx-react';
 import { f7 } from 'framework7-react';
 import { useTranslation } from 'react-i18next';
 import ToolbarView from "../view/Toolbar";
 
-const ToolbarController = inject('storeAppOptions', 'users')(props => {
+const ToolbarController = inject('storeAppOptions', 'users')(observer(props => {
     const {t} = useTranslation();
     const _t = t("Toolbar", { returnObjects: true });
 
@@ -20,9 +20,7 @@ const ToolbarController = inject('storeAppOptions', 'users')(props => {
             api.asc_registerCallback('asc_onCanUndo', onApiCanUndo);
             api.asc_registerCallback('asc_onCanRedo', onApiCanRedo);
             api.asc_registerCallback('asc_onFocusObject', onApiFocusObject);
-            api.asc_registerCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
             api.asc_registerCallback('asc_onCountPages', onApiCountPages);
-            Common.Notifications.on('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.on('toolbar:activatecontrols', activateControls);
             Common.Notifications.on('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.on('goback', goBack);
@@ -35,10 +33,15 @@ const ToolbarController = inject('storeAppOptions', 'users')(props => {
             onDocumentReady();
         }
 
+        if (isDisconnected) {
+            f7.popover.close();
+            f7.sheet.close();
+            f7.popup.close();
+        }
+
         return () => {
             Common.Notifications.off('document:ready', onDocumentReady);
             Common.Notifications.off('setdoctitle', setDocTitle);
-            Common.Notifications.off('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.off('toolbar:activatecontrols', activateControls);
             Common.Notifications.off('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.off('goback', goBack);
@@ -47,7 +50,6 @@ const ToolbarController = inject('storeAppOptions', 'users')(props => {
             api.asc_unregisterCallback('asc_onCanUndo', onApiCanUndo);
             api.asc_unregisterCallback('asc_onCanRedo', onApiCanRedo);
             api.asc_unregisterCallback('asc_onFocusObject', onApiFocusObject);
-            api.asc_unregisterCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
             api.asc_unregisterCallback('asc_onCountPages', onApiCountPages);
         }
     });
@@ -178,15 +180,6 @@ const ToolbarController = inject('storeAppOptions', 'users')(props => {
         setDisabledControls(false);
     };
 
-    const onCoAuthoringDisconnect = (enableDownload) => {
-        deactivateEditControls(enableDownload);
-        setCanUndo(false);
-        setCanRedo(false);
-        f7.popover.close();
-        f7.sheet.close();
-        f7.popup.close();
-    };
-
     const onEditDocument = () => {
         Common.Gateway.requestEditRights();
     };
@@ -210,8 +203,9 @@ const ToolbarController = inject('storeAppOptions', 'users')(props => {
                      displayCollaboration={displayCollaboration}
                      showEditDocument={showEditDocument}
                      onEditDocument={onEditDocument}
+                     isDisconnected={isDisconnected}
         />
     )
-});
+}));
 
 export {ToolbarController as Toolbar};
\ No newline at end of file
diff --git a/apps/presentationeditor/mobile/src/view/Toolbar.jsx b/apps/presentationeditor/mobile/src/view/Toolbar.jsx
index 903d9a05d..42f93da4f 100644
--- a/apps/presentationeditor/mobile/src/view/Toolbar.jsx
+++ b/apps/presentationeditor/mobile/src/view/Toolbar.jsx
@@ -4,13 +4,14 @@ import { Device } from '../../../../common/mobile/utils/device';
 import EditorUIController from '../lib/patch'
 
 const ToolbarView = props => {
+    const isDisconnected = props.isDisconnected;
     return (
         <Fragment>
             <NavLeft>
                 {props.isShowBack && <Link className={`btn-doc-back${props.disabledControls && ' disabled'}`} icon='icon-back' onClick={props.onBack}></Link>}
                 {Device.ios && props.isEdit && EditorUIController.getUndoRedo && EditorUIController.getUndoRedo({
-                    disabledUndo: !props.isCanUndo,
-                    disabledRedo: !props.isCanRedo,
+                    disabledUndo: !props.isCanUndo || isDisconnected,
+                    disabledRedo: !props.isCanRedo || isDisconnected,
                     onUndoClick: props.onUndo,
                     onRedoClick: props.onRedo
                 })}
@@ -18,8 +19,8 @@ const ToolbarView = props => {
             {!Device.phone && <NavTitle>{props.docTitle}</NavTitle>}
             <NavRight>
                 {Device.android && props.isEdit && EditorUIController.getUndoRedo && EditorUIController.getUndoRedo({
-                    disabledUndo: !props.isCanUndo,
-                    disabledRedo: !props.isCanRedo,
+                    disabledUndo: !props.isCanUndo || isDisconnected,
+                    disabledRedo: !props.isCanRedo || isDisconnected,
                     onUndoClick: props.onUndo,
                     onRedoClick: props.onRedo
                 })}
@@ -28,8 +29,8 @@ const ToolbarView = props => {
                     <Link className={props.disabledControls ? 'disabled' : ''} icon='icon-edit' href={false} onClick={props.onEditDocument}></Link>
                 }
                 {props.isEdit && EditorUIController.getToolbarOptions && EditorUIController.getToolbarOptions({
-                    disabledAdd: props.disabledAdd || props.disabledControls,
-                    disabledEdit: props.disabledEdit || props.disabledControls,
+                    disabledAdd: props.disabledAdd || props.disabledControls || isDisconnected,
+                    disabledEdit: props.disabledEdit || props.disabledControls || isDisconnected,
                     onEditClick: () => props.openOptions('edit'),
                     onAddClick: () => props.openOptions('add')
                 })}
diff --git a/apps/spreadsheeteditor/mobile/src/controller/Toolbar.jsx b/apps/spreadsheeteditor/mobile/src/controller/Toolbar.jsx
index ade8d976a..8db15a70a 100644
--- a/apps/spreadsheeteditor/mobile/src/controller/Toolbar.jsx
+++ b/apps/spreadsheeteditor/mobile/src/controller/Toolbar.jsx
@@ -1,10 +1,10 @@
 import React, { useEffect, useState } from 'react';
-import { inject } from 'mobx-react';
+import { inject, observer } from 'mobx-react';
 import { f7 } from 'framework7-react';
 import { useTranslation } from 'react-i18next';
 import ToolbarView from "../view/Toolbar";
 
-const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetInfo')(props => {
+const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetInfo')(observer(props => {
     const {t} = useTranslation();
     const _t = t("Toolbar", { returnObjects: true });
 
@@ -24,9 +24,7 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetIn
             api.asc_registerCallback('asc_onWorkbookLocked', onApiSelectionChanged);
             api.asc_registerCallback('asc_onWorksheetLocked', onApiSelectionChanged);
             api.asc_registerCallback('asc_onActiveSheetChanged', onApiActiveSheetChanged);
-            api.asc_registerCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
 
-            Common.Notifications.on('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.on('toolbar:activatecontrols', activateControls);
             Common.Notifications.on('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.on('goback', goBack);
@@ -39,9 +37,14 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetIn
             onDocumentReady();
         }
 
+        if (isDisconnected) {
+            f7.popover.close();
+            f7.sheet.close();
+            f7.popup.close();
+        }
+
         return () => {
             Common.Notifications.off('document:ready', onDocumentReady);
-            Common.Notifications.off('api:disconnect', onCoAuthoringDisconnect);
             Common.Notifications.off('toolbar:activatecontrols', activateControls);
             Common.Notifications.off('toolbar:deactivateeditcontrols', deactivateEditControls);
             Common.Notifications.off('goback', goBack);
@@ -54,7 +57,6 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetIn
             api.asc_unregisterCallback('asc_onWorkbookLocked', onApiSelectionChanged);
             api.asc_unregisterCallback('asc_onWorksheetLocked', onApiSelectionChanged);
             api.asc_unregisterCallback('asc_onActiveSheetChanged', onApiActiveSheetChanged);
-            api.asc_unregisterCallback('asc_onCoAuthoringDisconnect', onCoAuthoringDisconnect);
         }
     });
 
@@ -179,15 +181,6 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetIn
         setDisabledControls(false);
     };
 
-    const onCoAuthoringDisconnect = (enableDownload) => {
-        deactivateEditControls(enableDownload);
-        setCanUndo(false);
-        setCanRedo(false);
-        f7.popover.close();
-        f7.sheet.close();
-        f7.popup.close();
-    };
-
     const onEditDocument = () => {
         Common.Gateway.requestEditRights();
     };
@@ -208,8 +201,9 @@ const ToolbarController = inject('storeAppOptions', 'users', 'storeSpreadsheetIn
                      displayCollaboration={displayCollaboration}
                      showEditDocument={showEditDocument}
                      onEditDocument={onEditDocument}
+                     isDisconnected={isDisconnected}
         />
     )
-});
+}));
 
 export {ToolbarController as Toolbar};
\ No newline at end of file
diff --git a/apps/spreadsheeteditor/mobile/src/view/Toolbar.jsx b/apps/spreadsheeteditor/mobile/src/view/Toolbar.jsx
index 93c1c7740..0cf7909be 100644
--- a/apps/spreadsheeteditor/mobile/src/view/Toolbar.jsx
+++ b/apps/spreadsheeteditor/mobile/src/view/Toolbar.jsx
@@ -4,9 +4,10 @@ import { Device } from '../../../../common/mobile/utils/device';
 import EditorUIController from '../lib/patch'
 
 const ToolbarView = props => {
+    const isDisconnected = props.isDisconnected;
     const undo_box = props.isEdit && EditorUIController.toolbarOptions ? EditorUIController.toolbarOptions.getUndoRedo({
-            disabledUndo: !props.isCanUndo,
-            disabledRedo: !props.isCanRedo,
+            disabledUndo: !props.isCanUndo || isDisconnected,
+            disabledRedo: !props.isCanRedo || isDisconnected,
             onUndoClick: props.onUndo,
             onRedoClick: props.onRedo
         }) : null;
@@ -23,7 +24,7 @@ const ToolbarView = props => {
                     <Link className={props.disabledControls ? 'disabled' : ''} icon='icon-edit' href={false} onClick={props.onEditDocument}></Link>
                 }
                 {props.isEdit && EditorUIController.toolbarOptions && EditorUIController.toolbarOptions.getEditOptions({
-                    disabled: props.disabledEditControls || props.disabledControls,
+                    disabled: props.disabledEditControls || props.disabledControls || isDisconnected,
                     onEditClick: () => props.openOptions('edit'),
                     onAddClick: () => props.openOptions('add')
                 })}