Ringtone purchased but can’t download

Hello cigdemeray,

We would like to see how we can help you with redownloading your previously purchased ringtone. Follow the steps in this link and get back to us with your results: Use tones and ringtones with your iPhone or iPad

"Redownload ringtones purchased with your Apple ID

1. Go to Settings > Sounds & Haptics.
2. Under Sounds and Haptic Patterns, tap any sound.
3. Tap Download All Purchased Tones. You might not see this option if you already downloaded all the tones that you purchased or if you haven't purchased any tones.
4. 

You might not be able to redownload some previously purchased tones."

Cheers!