Web.Config
<system.web>
<browserCaps>
<result type="System.Web.Mobile.MobileCapabilities, System.Web.Mobile, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
<filter>isMobileDevice=false</filter>
</browserCaps>
</system.web>
Web.Config
<system.web>
<browserCaps>
<result type="System.Web.Mobile.MobileCapabilities, System.Web.Mobile, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
<filter>isMobileDevice=false</filter>
</browserCaps>
</system.web>
Backup
stsadm -o backup -url http://sharepointsite -filename D:\Backup\backup.bak
Restore
stsadm -o restore -url http://sharepointsite -filename D:\Backup\backup.bak -overwrite
$siteUrl = "http://URL_of_your_SITE";
$site = New-Object Microsoft.SharePoint.SPSite($siteurl);
$web = $site.OpenWeb();
$enumPerms = [Microsoft.SharePoint.SPBasePermissions];
Write-Host $web.AnonymousPermMask64;
$web.AnonymousPermMask64 = $web.AnonymousPermMask64 -bor $enumPerms::OpenItems
$web.Update();
Write-Host $web.AnonymousPermMask64;
$web.Dispose();
$site.Dispose();
http://support.microsoft.com/kb/2498047