Step by step
- Open web.haydai.com on the computer (or Haydai on the tablet) and choose Sign in with your phone. A code appears on that screen.
- On your phone: tap the H at the top left, then Settings, then Linked devices, then Link a device.
- Point the camera at the code. The second screen signs in at once — no SMS, no WhatsApp code.
- Calls ring on every linked device; answering on one stops the others. Sign a device out from the same page.
More questions
How do I create a Haydai account?
You sign up with your phone number and a one-time code — no password to remember. It takes about a…
How do I see my call and message statistics?
Tap the statistics on the Calls page: talk time, reply time, busiest days, people and more.
Web & linked devices
Use Haydai in your browser at web.haydai.com or on a second device. Scan a code with your phone to…
Haydai Help Center
Quick answers, step by step.