Some apps, like Safari, allow you to clear cache and website data directly from the iPhone settings. For others, look for options within the app to manage or delete files, such as in the Documents by Readdle app or similar file management applications.
Step 5: Tap "Clear Data". That's it. Clear Facebook Cache from Settings App The other manual way to Facebook cache in iOS is to uninstall Facebook app from your iPhone and then install it again. For doing this, simply follow the steps: Tap on Settings > General > Usage > Manage Storage > Facebook > Delete App.
The other option is to go to Settings > General > iPhone Storage and see if you can find the app. When you tap on it, you should see how much data is being stored and a button to Delete the app. Below that button it says the app and all of its data will be deleted and it cannot be undone.
Here are 3 locations that apps can store data: iPhone Storage - Using Settings > General > iPhone Storage > [the app] > Delete App, will delete its data. I understand that you want to keep the app, but you will need to delete the app to remove its data from the phone. The app can be easily downloaded again for free from the App Store.
Is there a way to clear an app’s data and… - Apple Community
To completely delete WhatsApp documents and data from iPhone, you can follow these simple steps: 1. Open your WhatsApp application on your iPhone. 2. Tap on "Settings" on the bottom right corner of your screen. 3. Tap on "Storage and Data". 4. Tap on "Manage Storage". 5. You will see a list of all conversations with their respective media sizes. Tap on the conversation that you want to delete ...