You should also check that your internet plan is active and that you haven't run out of data. In that case, you can save the photos you need to your iPhone as follows: Find the WhatsApp photo that you want to save and tap on it. If you aren’t a big fan of clutter, you might not want to use the automatic option to save photos from WhatsApp.
If that doesn't help, enable Airplane mode and change back to regular mode. All the photos that you download will be under the WhatsApp section of your iPhone photos app. Try turning off cellular (or mobile) data and then switching it back on again. If the connectivity issue persists when the router comes back on, refer to our guide detailing how to fix slow Wi-Fi connections. Start by switching your Wi-Fi router off and then back on. If other applications are also experiencing similar connectivity issues, check that you're connected to the internet. Try connecting to mobile data if youre on Wi-Fi or Wi-Fi if youre on mobile data. We recommend you: Restart your phone, or turn it off and on. You can also try visiting a webpage on your preferred browser. If you can’t download, open, or send media files, the most common reason why is a weak internet connection.
Try using other apps on your phone and check if they can access the internet. This could be the reason why your WhatsApp images are not downloading. When you're having difficulties using an app that requires an internet connection, you should check that your Wi-Fi or cellular data connection is working correctly.