Forward WhatsApp Photos with Captions in WhatsApp 

how to forward a WhatsApp photo with the caption

After that, tap and hold the image you want to share. It may pop up in the response symbols.

But after selecting the image and caption, you must go to the share button on the top right corner.

Click that share button

select contact from your list where you want to forward the image with a caption.

This will show you a preview of the photo before sending

Now on the iPhone, install the latest version of WhatsApp

because if you want to edit the text before sending it, you can do so here.