1. Please check your network connection, such as WiFi or LTE.
2. If you have an older version of the app, please update to the latest version from Google Play/Apple Appstore/Amazon Appstore (Or delete and reinstall).
3. If your payment method is not registered or expired on Google Play/Apple Appstore/Amazon Appstore, please check your account setting page of each store.
4. If you receive an error message, please contact us via the following address.
▶︎ E-mail : cs@pinkfong.com
▶︎ Pinkfong Plus/App Customer Support Page "Contact Us"
※ Information required: App name / device model / OS version / screenshot or detailed description