Gain Coin — Account Support
If you got a "This device is already linked" error when trying to log in, fill out this form. Our admin will review your request and reset your device within 24–48 hours.
Open the Gain Coin app and try to log in with Google.
You will see a red/blue error message at the bottom of the login screen.
Tap the "Copy" button next to your Device ID.
Paste it in the Device ID field below and submit this form.
Your device reset request has been received. Our admin will review and reset your device within 24–48 hours. Please check the app again after that time.