First, read the English article below.

This button has 9 squares in a 3x3 grid.   It can be found at the bottom of the Home screen. It generally has an icon that resembles a person on it.  Tap the icon in your Apps menu to open the Contacts app. Alternatively, you can open the Phone app and tap the Contacts tab at the bottom of the screen. It's at the top of the page below your profile image if you have set one.  You can also tap your profile image. If you are viewing your contacts through the Phone app, tap your name below the "Me" label at the top. It's the middle tab at the bottom of the screen.  It has an icon that resembles a pencil. It's the first option at the top fo the section for personal information. Use the number pad at the bottom of the screen to enter your full phone number with country and area code. It's the second tab at the bottom of the screen.  This saves your phone number.  Your phone number should appear in the Settings menu. If your phone number is still not appearing or is incorrect in the Settings menu, make sure your SIM Card is properly installed.  If your phone number still does not appear or is incorrect in the Settings menu.  Contact your mobile service provider. 

Now, please write a short abstract for it in Indonesian. Abstract:
Sentuh tombol “Apps”. Buka aplikasi Contacts. Sentuh nama Anda. Sentuh Edit. Geser layar dan sentuh tombol tanda tambah berwarna hijau + di samping "Phone". Masukkan nomor telepon Anda secara lengkap. Sentuh Save.