⚡Quick answer -

Enable Heyo app notifications in your phone’s settings (Android or iOS). WhatsApp alerts ride on those permissions—no extra toggle required.

1. Android steps 

Settings → Apps → Heyo → Notifications → Allow (toggle all categories on if desired).

2. iOS steps

Settings → Heyo → Notifications → Allow Notifications; enable banners, sounds, badges.

3. Send a test message 

Send a WhatsApp message to your Heyo number and confirm the alert.

4. Support 

Still silent? Chat in-app or e-mail connect@heyophone.com.