diff --git a/res/css/_components.scss b/res/css/_components.scss
index a2cfc94c79..2b513474c9 100644
--- a/res/css/_components.scss
+++ b/res/css/_components.scss
@@ -66,6 +66,7 @@
 @import "./views/dialogs/_IncomingSasDialog.scss";
 @import "./views/dialogs/_InviteDialog.scss";
 @import "./views/dialogs/_MessageEditHistoryDialog.scss";
+@import "./views/dialogs/_NewSessionReviewDialog.scss";
 @import "./views/dialogs/_RoomSettingsDialog.scss";
 @import "./views/dialogs/_RoomUpgradeDialog.scss";
 @import "./views/dialogs/_RoomUpgradeWarningDialog.scss";
diff --git a/res/css/views/dialogs/_NewSessionReviewDialog.scss b/res/css/views/dialogs/_NewSessionReviewDialog.scss
new file mode 100644
index 0000000000..7e35fe941e
--- /dev/null
+++ b/res/css/views/dialogs/_NewSessionReviewDialog.scss
@@ -0,0 +1,37 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_NewSessionReviewDialog_header {
+    display: flex;
+    align-items: center;
+    margin-top: 0;
+}
+
+.mx_NewSessionReviewDialog_headerIcon {
+    width: 24px;
+    height: 24px;
+    margin-right: 4px;
+    position: relative;
+}
+
+.mx_NewSessionReviewDialog_deviceName {
+    font-weight: 600;
+}
+
+.mx_NewSessionReviewDialog_deviceID {
+    font-size: 12px;
+    color: $notice-secondary-color;
+}
diff --git a/src/components/views/dialogs/NewSessionReviewDialog.js b/src/components/views/dialogs/NewSessionReviewDialog.js
new file mode 100644
index 0000000000..2d2bcc8f35
--- /dev/null
+++ b/src/components/views/dialogs/NewSessionReviewDialog.js
@@ -0,0 +1,91 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import { _t } from '../../../languageHandler';
+import Modal from '../../../Modal';
+import { replaceableComponent } from '../../../utils/replaceableComponent';
+import DeviceVerifyDialog from './DeviceVerifyDialog';
+import BaseDialog from './BaseDialog';
+import DialogButtons from '../elements/DialogButtons';
+
+@replaceableComponent("views.dialogs.NewSessionReviewDialog")
+export default class NewSessionReviewDialog extends React.PureComponent {
+    static propTypes = {
+        userId: PropTypes.string.isRequired,
+        device: PropTypes.object.isRequired,
+        onFinished: PropTypes.func.isRequired,
+    }
+
+    onCancelClick = () => {
+        this.props.onFinished(false);
+    }
+
+    onContinueClick = () => {
+        const { userId, device } = this.props;
+        Modal.createTrackedDialog('New Session Verification', 'Starting dialog', DeviceVerifyDialog, {
+            userId,
+            device,
+        }, null, /* priority = */ false, /* static = */ true);
+    }
+
+    render() {
+        const { device } = this.props;
+
+        const icon = <span className="mx_NewSessionReviewDialog_headerIcon mx_E2EIcon_warning"></span>;
+        const titleText = _t("New session");
+
+        const title = <h2 className="mx_NewSessionReviewDialog_header">
+            {icon}
+            {titleText}
+        </h2>;
+
+        return (
+            <BaseDialog
+                title={title}
+                onFinished={this.props.onFinished}
+            >
+                <div className="mx_NewSessionReviewDialog_body">
+                    <p>{_t(
+                        "Use this session to verify your new one, " +
+                        "granting it access to encrypted messages:",
+                    )}</p>
+                    <div className="mx_NewSessionReviewDialog_deviceInfo">
+                        <div>
+                            <span className="mx_NewSessionReviewDialog_deviceName">
+                                {device.getDisplayName()}
+                            </span> <span className="mx_NewSessionReviewDialog_deviceID">
+                                ({device.deviceId})
+                            </span>
+                        </div>
+                    </div>
+                    <p>{_t(
+                        "If you didn’t sign in to this session, " +
+                        "your account may be compromised.",
+                    )}</p>
+                    <DialogButtons
+                        cancelButton={_t("This wasn't me")}
+                        cancelButtonClass="danger"
+                        primaryButton={_t("Continue")}
+                        onCancel={this.onCancelClick}
+                        onPrimaryButtonClick={this.onContinueClick}
+                    />
+                </div>
+            </BaseDialog>
+        );
+    }
+}
diff --git a/src/components/views/elements/DialogButtons.js b/src/components/views/elements/DialogButtons.js
index ee15bfc3f2..9223b5ade8 100644
--- a/src/components/views/elements/DialogButtons.js
+++ b/src/components/views/elements/DialogButtons.js
@@ -83,7 +83,7 @@ export default createReactClass({
                 // primary in the DOM so will get form submissions unless we make it not a submit.
                 type="button"
                 onClick={this._onCancelClick}
-		className={this.props.cancelButtonClass}
+                className={this.props.cancelButtonClass}
                 disabled={this.props.disabled}
             >
                 { this.props.cancelButton || _t("Cancel") }
diff --git a/src/components/views/toasts/NewSessionToast.js b/src/components/views/toasts/NewSessionToast.js
index 3b60f59131..80564f3494 100644
--- a/src/components/views/toasts/NewSessionToast.js
+++ b/src/components/views/toasts/NewSessionToast.js
@@ -16,12 +16,15 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import * as sdk from "../../../index";
 import { _t } from '../../../languageHandler';
 import Modal from "../../../Modal";
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import DeviceListener from '../../../DeviceListener';
+import NewSessionReviewDialog from '../dialogs/NewSessionReviewDialog';
+import FormButton from '../elements/FormButton';
+import { replaceableComponent } from '../../../utils/replaceableComponent';
 
+@replaceableComponent("views.toasts.VerifySessionToast")
 export default class VerifySessionToast extends React.PureComponent {
     static propTypes = {
         toastKey: PropTypes.string.isRequired,
@@ -34,18 +37,16 @@ export default class VerifySessionToast extends React.PureComponent {
 
     _onReviewClick = async () => {
         const cli = MatrixClientPeg.get();
-        const DeviceVerifyDialog = sdk.getComponent('views.dialogs.DeviceVerifyDialog');
 
         const device = await cli.getStoredDevice(cli.getUserId(), this.props.deviceId);
 
-        Modal.createTrackedDialog('New Session Verify', 'Starting dialog', DeviceVerifyDialog, {
+        Modal.createTrackedDialog('New Session Review', 'Starting dialog', NewSessionReviewDialog, {
             userId: MatrixClientPeg.get().getUserId(),
             device,
         }, null, /* priority = */ false, /* static = */ true);
     };
 
     render() {
-        const FormButton = sdk.getComponent("elements.FormButton");
         return (<div>
             <div className="mx_Toast_description">{_t("Review & verify your new session")}</div>
             <div className="mx_Toast_buttons" aria-live="off">
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 23ca730d97..7ccce9e7f6 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1508,6 +1508,10 @@
     "Are you sure you want to sign out?": "Are you sure you want to sign out?",
     "Your homeserver doesn't seem to support this feature.": "Your homeserver doesn't seem to support this feature.",
     "Message edits": "Message edits",
+    "New session": "New session",
+    "Use this session to verify your new one, granting it access to encrypted messages:": "Use this session to verify your new one, granting it access to encrypted messages:",
+    "If you didn’t sign in to this session, your account may be compromised.": "If you didn’t sign in to this session, your account may be compromised.",
+    "This wasn't me": "This wasn't me",
     "If you run into any bugs or have feedback you'd like to share, please let us know on GitHub.": "If you run into any bugs or have feedback you'd like to share, please let us know on GitHub.",
     "To help avoid duplicate issues, please <existingIssuesLink>view existing issues</existingIssuesLink> first (and add a +1) or <newIssueLink>create a new issue</newIssueLink> if you can't find it.": "To help avoid duplicate issues, please <existingIssuesLink>view existing issues</existingIssuesLink> first (and add a +1) or <newIssueLink>create a new issue</newIssueLink> if you can't find it.",
     "Report bugs & give feedback": "Report bugs & give feedback",