How to set your ID LINE and add your friend by searching their ID LINE

 

Press "Setting" gear above.

Press "Edit profile" button in "My info" section.

Press "ID" button. (Make sure "Allow others to add me by ID" button is on, so your friend can add you by searching for your ID.)

Insert your LINE ID, press "Check" button.

If this appear, that means your ID LINE is ready to go!

And that's how you set your ID LINE! Next is how to add your friend by searching their ID LINE.

Press "Add friend" button.

Press "Search" button.

Insert your friend's ID LINE, you can also search your friend by searching their phone number.

And you're done! ^^