Samsung J320 - Phone Number; Airplane Mode

Basic Operations 22
Phone Number
Follow the instructions below to display your phone’s wireless phone number.
From home, tap Apps > Settings > About device . 1.
Tap Status > Sim card status. 2.
 You will see the number listed under My phone number.
Airplane Mode
Airplane mode turns off all functions that emit or receive signals, while leaving your phone on so you can
use apps that do not require a signal or data.