The search function will be located at the top of your screen. To access it, simply press anywhere within the dark blue box and start to write and hit "Search".
How does the search bar function?
The word or words that you put into the search bar becomes keywords, locating anything previously written with those words which you have access to. Underneath the search function, a list will be automated which contains all search result and is scroll able. In the app, on your left side, you will also be able to see in what category the search falls into, whether it is a chat, news, profile, group or activity.
Please note, that no scrolling is necessary as the search function would automatically land you on the specific content that matches your keyword.
Now that you know more about search on mobile, have a look at our desktop article about the function How does the Search function work (Desktop).