diff --git a/actions/post_actions.jsx b/actions/post_actions.jsx
index dd3aecb9daf2..abe2e8bc3cf4 100644
--- a/actions/post_actions.jsx
+++ b/actions/post_actions.jsx
@@ -22,6 +22,7 @@ import {getSelectedPostId} from 'selectors/rhs';
 
 import {ActionTypes, Constants} from 'utils/constants.jsx';
 import {EMOJI_PATTERN} from 'utils/emoticons.jsx';
+import * as UserAgent from 'utils/user_agent';
 
 const dispatch = store.dispatch;
 const getState = store.getState;
@@ -121,7 +122,12 @@ export async function createPost(post, files, success) {
         }
     }
 
-    await PostActions.createPost(post, files)(dispatch, getState);
+    if (UserAgent.isIosClassic()) {
+        await PostActions.createPostImmediately(post, files)(dispatch, getState);
+    } else {
+        await PostActions.createPost(post, files)(dispatch, getState);
+    }
+
     if (post.root_id) {
         PostStore.storeCommentDraft(post.root_id, null);
     } else {
diff --git a/package.json b/package.json
index 99a334367f97..92e449e6c212 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "localforage-observable": "1.4.0",
     "marked": "mattermost/marked#802e981ade71149a497cbe79d12b8a3f82f7657e",
     "match-at": "0.1.1",
-    "mattermost-redux": "mattermost/mattermost-redux.git#3688abb1a0b820305e371dfda38017b66ccf232e",
+    "mattermost-redux": "mattermost/mattermost-redux.git#b5ebee257af03af32ec00c6d4d2a442bdf34cb04",
     "object-assign": "4.1.1",
     "pdfjs-dist": "2.0.106",
     "perfect-scrollbar": "0.8.1",
diff --git a/utils/user_agent.jsx b/utils/user_agent.jsx
index c16d61d4597b..299311167ecb 100644
--- a/utils/user_agent.jsx
+++ b/utils/user_agent.jsx
@@ -79,6 +79,10 @@ export function isAndroidWeb() {
     return isAndroidChrome();
 }
 
+export function isIosClassic() {
+    return isMobileApp() && isIos();
+}
+
 // Returns true if and only if the user is using a Mattermost mobile app. This will return false if the user is using the
 // web browser on a mobile device.
 export function isMobileApp() {
diff --git a/yarn.lock b/yarn.lock
index 8e31381105dd..265e90b00e79 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5614,10 +5614,10 @@ math-expression-evaluator@^1.2.14:
   version "1.2.16"
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.16.tgz#b357fa1ca9faefb8e48d10c14ef2bcb2d9f0a7c9"
 
-mattermost-redux@mattermost/mattermost-redux.git#3688abb1a0b820305e371dfda38017b66ccf232e:
+mattermost-redux@mattermost/mattermost-redux.git#b5ebee257af03af32ec00c6d4d2a442bdf34cb04:
   version "1.1.0"
-  uid "3688abb1a0b820305e371dfda38017b66ccf232e"
-  resolved "https://codeload.github.com/mattermost/mattermost-redux/tar.gz/3688abb1a0b820305e371dfda38017b66ccf232e"
+  uid "b5ebee257af03af32ec00c6d4d2a442bdf34cb04"
+  resolved "https://codeload.github.com/mattermost/mattermost-redux/tar.gz/b5ebee257af03af32ec00c6d4d2a442bdf34cb04"
   dependencies:
     deep-equal "1.0.1"
     form-data "2.3.1"