diff --git a/assets/icon/app_icon.png b/assets/icon/app_icon.png
index 3f97791..54c3dd6 100644
Binary files a/assets/icon/app_icon.png and b/assets/icon/app_icon.png differ
diff --git a/assets/icon/app_icon_foreground.png b/assets/icon/app_icon_foreground.png
index 7d68d7b..54c3dd6 100644
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diff --git a/assets/icon/app_icon_ios.png b/assets/icon/app_icon_ios.png
index 6d70b8d..c056e70 100644
Binary files a/assets/icon/app_icon_ios.png and b/assets/icon/app_icon_ios.png differ
diff --git a/assets/img/login_bg.png b/assets/img/login_bg.jpg
similarity index 100%
rename from assets/img/login_bg.png
rename to assets/img/login_bg.jpg
diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
index 55c0cae..2876738 100644
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -38,7 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="500" height="500"/>
         <image name="LaunchBackground" width="1" height="1"/>
     </resources>
 </document>
diff --git a/web/splash/img/dark-1x.png b/web/splash/img/dark-1x.png
new file mode 100644
index 0000000..7640263
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diff --git a/web/splash/img/dark-2x.png b/web/splash/img/dark-2x.png
new file mode 100644
index 0000000..87d4a2f
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diff --git a/web/splash/img/dark-3x.png b/web/splash/img/dark-3x.png
new file mode 100644
index 0000000..ede9677
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diff --git a/web/splash/img/dark-4x.png b/web/splash/img/dark-4x.png
new file mode 100644
index 0000000..fd73c39
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diff --git a/web/splash/img/light-1x.png b/web/splash/img/light-1x.png
new file mode 100644
index 0000000..7640263
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diff --git a/web/splash/img/light-2x.png b/web/splash/img/light-2x.png
new file mode 100644
index 0000000..87d4a2f
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diff --git a/web/splash/img/light-3x.png b/web/splash/img/light-3x.png
new file mode 100644
index 0000000..ede9677
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diff --git a/web/splash/img/light-4x.png b/web/splash/img/light-4x.png
new file mode 100644
index 0000000..fd73c39
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