The Facebook icon looks like a white "f" in a blue square. If you're not automatically signed in to Facebook, enter your email address or phone number and your password to log in. The Search bar is located on a blue bar at the top of your screen. You can search anything by entering a keyword here.  It's in the lower-right corner of your keyboard. Tapping will bring all the search results on a new page. This heading is listed next to an orange-and-white flag icon in the search results. Tapping this button will open a list of all the pages you like. You can view a page by tapping its name or picture on the list here.

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Write a summary of the previous text in Chinese:
在iPhone或iPad上打开Facebook应用程序。 点击搜索字段。 在“搜索”字段中输入页面。 点击键盘上蓝色的搜索按钮。 在“我喜欢的页面”标题下点击查看全部。 点击列表中的页面。