When your H Band device continuously prompts you for a 4-digit password, follow these steps to address the issue.

1. Verify the Default Password:
Check if the H Band device has a default password. Many devices use "0000" as the initial password. Try entering this to see if it resolves the prompt - learn more.

2. Reset the Device Password:
If the default password does not work, you may need to reset the password. Follow these steps:
a. Open the H Band app.
b. Navigate to "My" and then "My Equipment."
c. Look for an option to "Reset the Device Password."
d. Set a new password as required - learn more.

3. Syncing Issues:
Sometimes the password prompt appears due to syncing problems. Ensure that both your H Band and the app are updated. To resolve syncing issues:
a. Close the H Band app completely.
b. Restart your phone and open the app again.
c. Attempt to sync your device once more.

4. Use the 'Forgot Password' Feature (If Applicable):
If you're experiencing issues logging into the app rather than the device requesting a password, you can reset your account password:
a. On the login page, select "Forgot your password?"
b. Tap "Get Code" and check your registered email for a 4-digit code.
c. Enter the code to reset your password - learn more.

5. Contact Customer Support:
If the problem persists after trying the above methods, consider reaching out to H Band customer support for personalized assistance. They may provide guidance specific to your device or app version.

Implement these steps, and the issue of repeated password requests should be resolved. If further issues arise, updating your device's firmware or the app itself could also be beneficial - learn more.