You need to follow some procedure to add a custom ringtone if you are an iphone user.
How to create a ringtone for iphone 8.
Transfer the ringtone to your iphone.
Set the ringtone as your ringer.
Open itunes on the desktop to get started.
Drag and drop the ringtone to your device.
Drag the file to the desktop.
To add the m4r ringtone file to your iphone connect your device to your computer using a lightning to usb cable then select the iphone icon in the upper left corner.
Change the extension to m4r 9.
On a pc open itunes for windows.
Read on to learn how to make ringtones for your iphone.
If you don t want to buy ringtones or use the ones that came with your iphone you can create your own with itunes.
Choose the song you want to use to create a ringtone and click on it.
Connect your iphone ipad or ipod touch to your computer.
Iphone makes it different here too.
Here is an article which will explain the steps to add custom ringtones to iphone 8 and iphone 8 plus.
When most of the android phone has the simplest way of adding new and custom ringtones.
To transfer ringtones to iphone 8 8 plus directly the only tool we need is syncios phone manager a free handy tool helps you customize any piece of audio file including your favorite songs into iphone 8 8 plus ringtones without using itunes you can make as many as ringtones you want totally free and quickly.
On a mac open the finder.
The tones library you could previously sync with your iphone has been removed but you can still manually place ringtone files on your phone.
This process changed a bit with itunes 12 7.