Yes, this trick is real but a little confused. Actually, it is done by virtual phone numbers. You do not want to buy a sim card or phone number from a mobile network. You can create a new one with the help of an App called Text Now.
WhatsApp without a phone number
- As I explained above, first you have to create a virtual phone number. To do this follow the link.
- How to create Virtual Phone Numbers?
- Download and install or Reinstall WhatsApp and Launch it.
- Enter the phone number which you created manually with Text Now.
- A verification call or message will receive on your new number.
- Submit it and use the App.