diff --git a/apps/spreadsheeteditor/mobile/locale/en.json b/apps/spreadsheeteditor/mobile/locale/en.json
index c0fa31b41..cd34092f3 100644
--- a/apps/spreadsheeteditor/mobile/locale/en.json
+++ b/apps/spreadsheeteditor/mobile/locale/en.json
@@ -226,7 +226,8 @@
     "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.",
+    "textErrorPasswordIsNotCorrect": "The password you supplied is not correct.<br>Verify that the CAPS LOCK key is off and be sure to use the correct capitalization."
   },
   "LongActions": {
     "applyChangesTextText": "Loading data...",
@@ -262,7 +263,12 @@
     "txtEditingMode": "Set editing mode...",
     "uploadImageTextText": "Uploading image...",
     "uploadImageTitleText": "Uploading Image",
-    "waitText": "Please, wait..."
+    "waitText": "Please, wait...",
+    "textErrorWrongPassword": "The password you supplied is not correct.",
+    "textUnlockRange": "Unlock Range",
+    "textUnlockRangeWarning": "A range you are trying to change is password protected.",
+    "advDRMPassword": "Password",
+    "textCancel": "Cancel"
   },
   "Statusbar": {
     "notcriticalErrorTitle": "Warning",
diff --git a/apps/spreadsheeteditor/mobile/src/controller/Error.jsx b/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
index c372fbb96..fc0b1108a 100644
--- a/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
+++ b/apps/spreadsheeteditor/mobile/src/controller/Error.jsx
@@ -311,6 +311,10 @@ const ErrorController = inject('storeAppOptions')(({storeAppOptions, LoadingDocu
                 config.msg = _t.errorLoadingFont;
                 break;
 
+            case Asc.c_oAscError.ID.PasswordIsNotCorrect:
+                config.msg = t('Error.textErrorPasswordIsNotCorrect');
+                break;
+
             default:
                 config.msg = _t.errorDefaultMessage.replace('%1', id);
                 break;
diff --git a/apps/spreadsheeteditor/mobile/src/controller/LongActions.jsx b/apps/spreadsheeteditor/mobile/src/controller/LongActions.jsx
index 34d2f7d8f..c7617d8fd 100644
--- a/apps/spreadsheeteditor/mobile/src/controller/LongActions.jsx
+++ b/apps/spreadsheeteditor/mobile/src/controller/LongActions.jsx
@@ -2,6 +2,7 @@ import React, { useEffect } from 'react';
 import { f7 } from 'framework7-react';
 import { useTranslation } from 'react-i18next';
 import IrregularStack from "../../../../common/mobile/utils/IrregularStack";
+import { Device } from '../../../../common/mobile/utils/device';
 
 const LongActionsController = () => {
     const {t} = useTranslation();
@@ -181,7 +182,9 @@ const LongActionsController = () => {
 
     };
 
-    const onConfirmAction = (id, apiCallback) => {
+    const onConfirmAction = (id, apiCallback, data) => {
+        const api = Common.EditorApi.get();
+
         if (id === Asc.c_oAscConfirm.ConfirmReplaceRange || id === Asc.c_oAscConfirm.ConfirmReplaceFormulaInTable) {
             f7.dialog.create({
                 title: _t.notcriticalErrorTitle,
@@ -208,6 +211,27 @@ const LongActionsController = () => {
                         }},
                 ],
             }).open();
+        } else if (id == Asc.c_oAscConfirm.ConfirmChangeProtectRange) {
+            f7.dialog.create({
+                title: t('LongActions.textUnlockRange'),
+                text: t('LongActions.textUnlockRangeWarning'),
+                content: Device.ios ?
+                    '<div class="input-field"><input type="password" class="modal-text-input" name="modal-password" placeholder="' + _t.advDRMPassword + '" id="modal-password"></div>' : '<div class="input-field"><div class="inputs-list list inline-labels"><ul><li><div class="item-content item-input"><div class="item-inner"><div class="item-input-wrap"><input type="password" name="modal-password" id="modal-password" placeholder=' + _t.advDRMPassword + '></div></div></div></li></ul></div></div>',
+                buttons: [
+                    {
+                        text: t('LongActions.textOk'),
+                        onClick: () => {
+                            let password = document.getElementById('modal-password').value;
+                            if(apiCallback) {
+                                apiCallback(true ? api.asc_checkProtectedRangesPassword(password, data) : false, false);
+                            }
+                        }
+                    }, 
+                    {
+                        text: t('LongActions.textCancel')
+                    }
+                ]
+            }).open();
         }
     };