How to customise Notification panel in Samsung Galaxy Grand2(SM-G7102)?
STEP 1. GETTING STARTED
a). Tap on Apps icon as shown below.
b). Now tap on Settings and then tap on Device as shown below.
STEP 2. CUSTOMISING NOTIFICATION PANEL
c). Now tap on Notification panel as shown below.
d). Tap, drag and drop the Icon from Available buttons to Notification panel (for example: Flight mode) as shown below.