diff --git a/Andro2UWP/Andro2UWP.Shared/MainPage.xaml b/Andro2UWP/Andro2UWP.Shared/MainPage.xaml
index c003e48..35d5cc7 100644
--- a/Andro2UWP/Andro2UWP.Shared/MainPage.xaml
+++ b/Andro2UWP/Andro2UWP.Shared/MainPage.xaml
@@ -111,7 +111,7 @@
     </Grid>
     <Page.BottomAppBar>
         <win:CommandBar>
-            <AppBarButton Icon="Refresh" x:Uid="uiRefresh" Label="Refresh list" Click="uiRefreshList_Click"/>
+            <AppBarButton Icon="Refresh" x:Uid="uiRefresh" Name="uiRefresh" Label="Refresh list" Click="uiRefreshList_Click"/>
             
             <AppBarToggleButton Icon="Clock" x:Uid="uiAutoRefresh" Name="uiAutoRefresh" Label="Auto refresh" Click="uiAutoRefresh_Click" />
             
diff --git a/Andro2UWP/Andro2UWP.Shared/MainPage.xaml.cs b/Andro2UWP/Andro2UWP.Shared/MainPage.xaml.cs
index 1657162..9af433c 100644
--- a/Andro2UWP/Andro2UWP.Shared/MainPage.xaml.cs
+++ b/Andro2UWP/Andro2UWP.Shared/MainPage.xaml.cs
@@ -636,8 +636,8 @@ private async void uiCreateFilter_Click(object sender, RoutedEventArgs e)
         // uiRefreshList_Click
         private async void uiRefreshList_Click(object sender, RoutedEventArgs e)
         {
-            // obsolete button
-            //uiRefreshList.IsEnabled = false;
+            // Refresh button
+            uiRefresh.IsEnabled = false;
 
             if (p.k.GetPlatform("uwp"))
             {
@@ -652,8 +652,8 @@ private async void uiRefreshList_Click(object sender, RoutedEventArgs e)
                 //await App.WczytajNowe();
             }
 
-            // obsolete button
-            //uiRefreshList.IsEnabled = true;
+            // Refresh button
+            uiRefresh.IsEnabled = true;
 
             //if (sender != null)   // there is no call other than from event button, so always sender < > null?
             //{
@@ -756,7 +756,7 @@ private async void uiAutoRefresh_Click(object sender, RoutedEventArgs e)
                     new Windows.ApplicationModel.Background.SystemCondition
                     (Windows.ApplicationModel.Background.SystemConditionType.InternetAvailable);
 
-                p.k.RegisterTimerTrigger("Andro2UWP_Timer", 15, false, oCondition);
+                p.k.RegisterTimerTrigger("Andro2UWP_Timer", 15, false, oCondition); // 15 - 15 minutes
             }
             else
             {
diff --git a/Andro2UWP/Andro2UWP.Shared/pkModuleShared.cs b/Andro2UWP/Andro2UWP.Shared/pkModuleShared.cs
index a835f9c..2cbaea0 100644
--- a/Andro2UWP/Andro2UWP.Shared/pkModuleShared.cs
+++ b/Andro2UWP/Andro2UWP.Shared/pkModuleShared.cs
@@ -230,17 +230,24 @@ public static async System.Threading.Tasks.Task<bool> CanRegisterTriggersAsync()
 
             return false;
         }
+        
+        
+        // TODO : REDO IT!! Bad timer
 
         public static Windows.ApplicationModel.Background.BackgroundTaskRegistration RegisterTimerTrigger(string sName, uint iMinutes, bool bOneShot = false, Windows.ApplicationModel.Background.SystemCondition oCondition = null)
         {
             try
             {
-                var builder = new Windows.ApplicationModel.Background.BackgroundTaskBuilder();
+                Windows.ApplicationModel.Background.BackgroundTaskBuilder builder = new Windows.ApplicationModel.Background.BackgroundTaskBuilder();
 
                 builder.SetTrigger(new Windows.ApplicationModel.Background.TimeTrigger(iMinutes, bOneShot));
+                
                 builder.Name = sName;
+
                 if (oCondition is object) builder.AddCondition(oCondition);
+                
                 var oRet = builder.Register();
+                
                 return oRet;
             }
             catch
diff --git a/Andro2UWP/Andro2UWP.UWP/Andro2UWP.UWP.csproj b/Andro2UWP/Andro2UWP.UWP/Andro2UWP.UWP.csproj
index 31ec9ad..cff582e 100644
--- a/Andro2UWP/Andro2UWP.UWP/Andro2UWP.UWP.csproj
+++ b/Andro2UWP/Andro2UWP.UWP/Andro2UWP.UWP.csproj
@@ -16,9 +16,6 @@
     <PackageReference Include="Microsoft.OneDriveSDK.Authentication">
       <Version>1.0.10</Version>
     </PackageReference>
-    <PackageReference Include="Microsoft.UI.Xaml">
-      <Version>2.7.0</Version>
-    </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
       <Version>9.0.1</Version>
     </PackageReference>
@@ -46,7 +43,7 @@
     <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
     <AppxAutoIncrementPackageRevision>False</AppxAutoIncrementPackageRevision>
     <AppxBundle>Always</AppxBundle>
-    <AppxBundlePlatforms>arm</AppxBundlePlatforms>
+    <AppxBundlePlatforms>x86|x64|arm</AppxBundlePlatforms>
     <AppInstallerUpdateFrequency>0</AppInstallerUpdateFrequency>
     <AppInstallerCheckForUpdateFrequency>OnApplicationRun</AppInstallerCheckForUpdateFrequency>
     <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
diff --git a/Andro2UWP/Andro2UWP.UWP/Package.appxmanifest b/Andro2UWP/Andro2UWP.UWP/Package.appxmanifest
index fbbc037..f84c7e2 100644
--- a/Andro2UWP/Andro2UWP.UWP/Package.appxmanifest
+++ b/Andro2UWP/Andro2UWP.UWP/Package.appxmanifest
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" IgnorableNamespaces="uap mp">
+<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"  xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3"  xmlns:uap4="http://schemas.microsoft.com/appx/manifest/uap/windows10/4"  xmlns:iot="http://schemas.microsoft.com/appx/manifest/iot/windows10" IgnorableNamespaces="uap mp uap3 uap4 iot">
   <Identity Name="Andro2UWP1" Publisher="CN=media" Version="1.0.12.0" />
   <mp:PhoneIdentity PhoneProductId="d0cc5bdd-f438-4335-a112-49cb246ce412" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
   <Properties>
@@ -28,5 +28,9 @@
   </Applications>
   <Capabilities>
     <Capability Name="internetClient" />
+    <uap3:Capability Name="backgroundMediaPlayback"/>
+    <uap4:Capability Name="offlineMapsManagement"/>
+    <iot:Capability Name="lowLevelDevices"/>
+    <DeviceCapability Name="lowLevel"/>
   </Capabilities>
 </Package>
\ No newline at end of file