diff --git a/public/android-chrome-192x192.png b/public/android-chrome-192x192.png
index 67fa2c78a..5a0775a9a 100644
Binary files a/public/android-chrome-192x192.png and b/public/android-chrome-192x192.png differ
diff --git a/public/android-chrome-384x384.png b/public/android-chrome-384x384.png
index 93e6e1b89..6aa931609 100644
Binary files a/public/android-chrome-384x384.png and b/public/android-chrome-384x384.png differ
diff --git a/public/android-chrome-512x512.png b/public/android-chrome-512x512.png
new file mode 100644
index 000000000..519b6317d
Binary files /dev/null and b/public/android-chrome-512x512.png differ
diff --git a/public/site.webmanifest b/public/site.webmanifest
index d3a7c445d..87acd78a6 100644
--- a/public/site.webmanifest
+++ b/public/site.webmanifest
@@ -1,6 +1,7 @@
 {
-    "name": "Telegram T",
-    "short_name": "Telegram T",
+    "name": "Telegram WebZ",
+    "short_name": "Telegram WebZ",
+    "start_url": "/",
     "icons": [
         {
             "src": "android-chrome-192x192.png",
@@ -11,6 +12,11 @@
             "src": "android-chrome-384x384.png",
             "sizes": "384x384",
             "type": "image/png"
+        },
+        {
+            "src": "android-chrome-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png"
         }
     ],
     "theme_color": "#ffffff",