Hello! It sounds like you're experiencing some difficulty when trying to cash out on Survey Spin, with the screen blinking and then freezing. Let's figure this out together.

1. Check Your Internet Connection: Sometimes, a weak or unstable internet connection can cause these issues. Could you please check if you have a stable Wi-Fi or mobile data connection?

2. Restart the App: Try closing the Survey Spin app completely and then reopening it. This can help reset any session issues that might be causing the freeze.

3. Restart Your iPad: Since you're using an iPad, sometimes a fresh start can resolve strange behaviors. Just hold down the power button until you see the slider to turn off your device, and then turn it back on after a few seconds.

4. Update the App: Ensure that you have the latest version of Survey Spin. You can check for updates in the App Store. Sometimes bugs and freezing issues are fixed in newer versions.

5. Reinstall the App: If the problem persists after updating, as a last resort, you could uninstall Survey Spin and then reinstall it. This can often clear out any corrupted files that may be causing the freeze.

If you've already tried some of these steps, please let me know which ones, and we can explore deeper options, including checking for any app-specific issues or server outages.

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