WhatsApp needs permission to access your phone’s storage to save files. If these permissions were accidentally revoked, downloads will fail.

Note: Do not select "Clear Data" unless you have a backup, as this will delete your chat history. Check App Permissions

Search for WhatsApp and check if an "Update" button is available.

The most common culprit is a shaky internet connection. WhatsApp requires a stable signal to pull files from its servers to your device.

Here is a comprehensive guide on how to solve the WhatsApp download problem and get your media flowing again. Check Your Internet Connection