After you download a copy of Firefox portable, make sure to enable Flash support, customize your portable Firefox, and learn how to sync your Firefox installations.

在你下载完便携式的Firefox浏览器之后，确保支持Flash动化自定义你的版本，并了解如何同步Firefox安装。

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Features of Firefox 4 Beta include Firefox sync, so that browsing history, bookmarks, tabs, and passwords are synced across your mobile and desktop devices.

Be ta版火狐4包含火狐同步特性，以致于您浏览的历史记录、书签、标签和密码等信息将在您的移动和桌面设备之间同步。

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Feature-wise, preferences and other desktop settings imported easily with Firefox Sync's shared password system, and the unfortunately named "Awesome Screen" is the new home page shown above, from which it's fairly simple to launch your preferred sites.

ENGADGET: Native Firefox Android browser adds speed, Flash, HTML5 and a fresh look (hands-on)