diff --git a/apps/common/mobile/resources/less/common.less b/apps/common/mobile/resources/less/common.less
index 1ccb1fc63..fa988e672 100644
--- a/apps/common/mobile/resources/less/common.less
+++ b/apps/common/mobile/resources/less/common.less
@@ -878,7 +878,7 @@ input[type="number"]::-webkit-inner-spin-button {
 }
 
 .functions-list {
-    height: 175px;
+    max-height: 175px;
     width: 360px;
     overflow-y: auto;
     overflow-x: hidden;
diff --git a/apps/documenteditor/mobile/locale/en.json b/apps/documenteditor/mobile/locale/en.json
index b561fedfe..832014405 100644
--- a/apps/documenteditor/mobile/locale/en.json
+++ b/apps/documenteditor/mobile/locale/en.json
@@ -581,7 +581,12 @@
     "txtScheme6": "Concourse",
     "txtScheme7": "Equity",
     "txtScheme8": "Flow",
-    "txtScheme9": "Foundry"
+    "txtScheme9": "Foundry",
+    "textPages": "Pages",
+    "textParagraphs": "Paragraphs",
+    "textWords": "Words",
+    "textSymbols": "Symbols",
+    "textSpaces": "Spaces"
   },
   "Toolbar": {
     "dlgLeaveMsgText": "You have unsaved changes. Click 'Stay on this Page' to wait for autosave. Click 'Leave this Page' to discard all the unsaved changes.",
diff --git a/apps/documenteditor/mobile/src/view/settings/DocumentInfo.jsx b/apps/documenteditor/mobile/src/view/settings/DocumentInfo.jsx
index a8d9b1993..21f4fb3f0 100644
--- a/apps/documenteditor/mobile/src/view/settings/DocumentInfo.jsx
+++ b/apps/documenteditor/mobile/src/view/settings/DocumentInfo.jsx
@@ -57,11 +57,11 @@ const PageDocumentInfo = (props) => {
             ) : null}
             <BlockTitle>{_t.textStatistic}</BlockTitle>
             <List> 
-                <ListItem title="Pages" after={isLoaded ? String(pageCount) : _t.textLoading}></ListItem>
-                <ListItem title="Paragraphs" after={isLoaded ? String(paragraphCount) : _t.textLoading}></ListItem>
-                <ListItem title="Words" after={isLoaded ? String(wordsCount) : _t.textLoading}></ListItem>
-                <ListItem title="Symbols" after={isLoaded ? String(symbolsCount) : _t.textLoading}></ListItem>
-                <ListItem title="Spaces" after={isLoaded ? String(symbolsWSCount) : _t.textLoading}></ListItem>
+                <ListItem title={t('Settings.textPages')} after={isLoaded ? String(pageCount) : _t.textLoading}></ListItem>
+                <ListItem title={t('Settings.textParagraphs')} after={isLoaded ? String(paragraphCount) : _t.textLoading}></ListItem>
+                <ListItem title={t('Settings.textWords')} after={isLoaded ? String(wordsCount) : _t.textLoading}></ListItem>
+                <ListItem title={t('Settings.textSymbols')} after={isLoaded ? String(symbolsCount) : _t.textLoading}></ListItem>
+                <ListItem title={t('Settings.textSpaces')} after={isLoaded ? String(symbolsWSCount) : _t.textLoading}></ListItem>
             </List>
             {props.title ? (
                 <Fragment>
diff --git a/apps/spreadsheeteditor/mobile/locale/en.json b/apps/spreadsheeteditor/mobile/locale/en.json
index e29907491..aa0f2a74f 100644
--- a/apps/spreadsheeteditor/mobile/locale/en.json
+++ b/apps/spreadsheeteditor/mobile/locale/en.json
@@ -224,7 +224,8 @@
     "unknownErrorText": "Unknown error.",
     "uploadImageExtMessage": "Unknown image format.",
     "uploadImageFileCountMessage": "No images uploaded.",
-    "uploadImageSizeMessage": "The image is too big. The maximum size is 25 MB."
+    "uploadImageSizeMessage": "The image is too big. The maximum size is 25 MB.",
+    "errorChangeOnProtectedSheet": "The cell or chart you are trying to change is on a protected sheet. To make a change, unprotect the sheet. You might be requested to enter a password."
   },
   "LongActions": {
     "applyChangesTextText": "Loading data...",
diff --git a/apps/spreadsheeteditor/mobile/src/controller/Error.jsx b/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
index 7447d436a..c372fbb96 100644
--- a/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
+++ b/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
@@ -304,7 +304,7 @@ const ErrorController = inject('storeAppOptions')(({storeAppOptions, LoadingDocu
                 break;
             
             case Asc.c_oAscError.ID.ChangeOnProtectedSheet:
-                config.msg = _t.errorChangeOnProtectedSheet;
+                config.msg = t('Error.errorChangeOnProtectedSheet');
                 break;
 
             case Asc.c_oAscError.ID.LoadingFontError:
diff --git a/apps/spreadsheeteditor/mobile/src/controller/Statusbar.jsx b/apps/spreadsheeteditor/mobile/src/controller/Statusbar.jsx
index 51d75b610..9455ee9e0 100644
--- a/apps/spreadsheeteditor/mobile/src/controller/Statusbar.jsx
+++ b/apps/spreadsheeteditor/mobile/src/controller/Statusbar.jsx
@@ -19,6 +19,9 @@ const StatusbarController = inject('sheets', 'storeFocusObjects', 'users')(obser
                 sheets.setWorksheetLocked(index, locked);
                 storeFocusObjects.setIsLocked(api.asc_getCellInfo());
             });
+            api.asc_registerCallback('asc_onChangeProtectWorkbook', () => {
+                sheets.setProtectedWorkbook(api.asc_isProtectedWorkbook());
+            });
             api.asc_registerCallback('asc_onSheetsChanged', onApiSheetsChanged);
             api.asc_registerCallback('asc_onActiveSheetChanged', onApiActiveSheetChanged);
             api.asc_registerCallback('asc_onHidePopMenu', onApiHideTabContextMenu);
@@ -123,6 +126,7 @@ const Statusbar = inject('sheets', 'storeAppOptions', 'users')(observer(props =>
     const _t = t('Statusbar', {returnObjects: true});
     const isEdit = storeAppOptions.isEdit;
     const isDisconnected = users.isDisconnected;
+    const isProtectedWorkbook = sheets.isProtectedWorkbook;
 
     useEffect(() => {
         const on_main_view_click = e => {
@@ -180,7 +184,7 @@ const Statusbar = inject('sheets', 'storeAppOptions', 'users')(observer(props =>
 
         if (index == api.asc_getActiveWorksheetIndex()) {
             if (!opened) {
-                if (isEdit && !isDisconnected && !model.locked) {
+                if (isEdit && !isDisconnected && !model.locked && !isProtectedWorkbook) {
                     api.asc_closeCellEditor();
                     f7.popover.open('#idx-tab-context-menu-popover', target);
                 }
@@ -229,7 +233,7 @@ const Statusbar = inject('sheets', 'storeAppOptions', 'users')(observer(props =>
             let current = api.asc_getWorksheetName(api.asc_getActiveWorksheetIndex());
 
             f7.dialog.create({
-                title: _t.textRenameSheet,
+                title: _t.textSheetName,
                 content: Device.ios ?
                     '<div class="input-field"><input type="text" name="modal-sheet-name" maxlength="31" value="' + current + '" placeholder="' + _t.textSheetName + '" class="modal-text-input"></div>' : 
                     '<div class="item-content item-input" style="margin-top: 15px; position: relative; padding-bottom: 10px;"><div class="item-inner"><div class="item-input-wrap" style="min-height: initial; width: 100%;"><input type="text" style="width: 100%;" name="modal-sheet-name" value="' + current + '" maxlength="31" placeholder="' + _t.textSheetName + '" /></div></div></div>',
diff --git a/apps/spreadsheeteditor/mobile/src/store/sheets.js b/apps/spreadsheeteditor/mobile/src/store/sheets.js
index 54e04a34b..3a9f98ac9 100644
--- a/apps/spreadsheeteditor/mobile/src/store/sheets.js
+++ b/apps/spreadsheeteditor/mobile/src/store/sheets.js
@@ -33,7 +33,10 @@ export class storeWorksheets {
             setWorkbookLocked: action,
 
             isWorksheetLocked: observable,
-            setWorksheetLocked: action
+            setWorksheetLocked: action,
+
+            isProtectedWorkbook: observable,
+            setProtectedWorkbook: action
         });
         this.sheets = [];
     }
@@ -89,4 +92,9 @@ export class storeWorksheets {
             model.locked = locked;
         this.isWorkbookLocked = locked;
     }
+
+    isProtectedWorkbook = false;
+    setProtectedWorkbook(value) {
+        this.isProtectedWorkbook = value;
+    }
 }
diff --git a/apps/spreadsheeteditor/mobile/src/view/Statusbar.jsx b/apps/spreadsheeteditor/mobile/src/view/Statusbar.jsx
index 6ae773384..f31277e63 100644
--- a/apps/spreadsheeteditor/mobile/src/view/Statusbar.jsx
+++ b/apps/spreadsheeteditor/mobile/src/view/Statusbar.jsx
@@ -16,15 +16,16 @@ const StatusbarView = inject('storeAppOptions', 'sheets', 'users')(observer(prop
     const {sheets, storeAppOptions, users} = props;
     const allSheets = sheets.sheets;
     const hiddenSheets = sheets.hiddenWorksheets();
-    // const isWorkbookLocked = sheets.isWorkbookLocked;
+    const isWorkbookLocked = sheets.isWorkbookLocked;
+    const isProtectedWorkbook = sheets.isProtectedWorkbook;
     const isEdit = storeAppOptions.isEdit;
     const isDisconnected = users.isDisconnected;
 
     return (
         <Fragment>
             <View id="idx-statusbar" className="statusbar" style={viewStyle}>
-                <div id="idx-box-add-tab" className={`${isDisconnected ? 'disabled' : ''}`}>
-                    <Link href={false} id="idx-btn-addtab" className={`tab${isDisconnected ? ' disabled' : ''}`} onClick={props.onAddTabClicked}>
+                <div id="idx-box-add-tab" className={`${isDisconnected || isWorkbookLocked || isProtectedWorkbook ? 'disabled' : ''}`}>
+                    <Link href={false} id="idx-btn-addtab" className={`tab${isDisconnected || isWorkbookLocked || isProtectedWorkbook  ? ' disabled' : ''}`} onClick={props.onAddTabClicked}>
                         <Icon className="icon icon-plus" />
                     </Link>
                 </div>
diff --git a/apps/spreadsheeteditor/mobile/src/view/settings/ApplicationSettings.jsx b/apps/spreadsheeteditor/mobile/src/view/settings/ApplicationSettings.jsx
index 56a34f4c1..1059f894f 100644
--- a/apps/spreadsheeteditor/mobile/src/view/settings/ApplicationSettings.jsx
+++ b/apps/spreadsheeteditor/mobile/src/view/settings/ApplicationSettings.jsx
@@ -47,7 +47,7 @@ const PageApplicationSettings = props => {
                     </List>
                     <BlockTitle>{_t.textFormulaLanguage}</BlockTitle>
                     <List mediaList>
-                        <ListItem title={currentFormulaLang.displayValue} subtitle={`Example: ${currentFormulaLang.exampleValue}`} link="/formula-languages/" 
+                        <ListItem title={currentFormulaLang.displayValue} subtitle={`${t('View.Settings.textExample')}: ${currentFormulaLang.exampleValue}`} link="/formula-languages/" 
                             routeProps={{
                                 onFormulaLangChange: props.onFormulaLangChange
                             }}>
@@ -147,7 +147,7 @@ const PageFormulaLanguage = props => {
             <List mediaList>
                 {dataLang.map((elem, index) => {
                     return (
-                        <ListItem radio key={index} title={elem.displayValue} subtitle={`Example: ${elem.exampleValue}`} checked={elem.value === formulaLang}
+                        <ListItem radio key={index} title={elem.displayValue} subtitle={`${t('View.Settings.textExample')}: ${elem.exampleValue}`} checked={elem.value === formulaLang}
                             onChange={() => {
                                 storeApplicationSettings.changeFormulaLang(elem.value);
                                 props.onFormulaLangChange(elem.value);