If you use an iOS, and your product has not been sent after payment,

you can file a request in the following way.

[How to Check App Store Payment History]

1. Turn on iTunes and login

2. Account > Look at My Account

3. Click the right of recently purchased products and then click look at all

4. Click on the arrow of a payment history that has an error and check the detailed history. Take a screenshot. (Keyboard Print Screen Button)

References > https://support.apple.com/ko-kr/HT204088

※ Select the file and you must remember to click the attach button located on the right.

※ File attachment is only possible on PC.

[Go Straight to 1:1 Inquiries]

★ Payment Reference

- Market : App Store

- Payment Date : 

- Payment Amount : 

- Screenshot