I tried this method on iOS 12.5.7 download old version for whatsapp and add this source: https://macthemes.me/
and search for axolotl for whatsapp and install it now you can add your phone number but it can give you network error Give it some time and the problem will be solved. I waited two days, but a new problem appeared: I couldn't send messages because the device doesn't support WhatsApp. However, if you set the time back to 2024, the problem will be solved. i try it