The cache is the storage area of a device where all the used and most requested data are stored. In this way, they recover faster when required. All electronic devices have it, so you access passwords, search results and frequent items faster. And although it is very useful, if the cache memory becomes saturated, it can cause applications and devices, in general, to become slow. How to delete WhatsApp cache? To have more space available, that is, clear or delete the WhatsApp cache, follow these steps: Go to 'Settings' of your phone. Select 'Applications' Search WhatsApp Go to 'Storage' Clear cache NOTE: you must select 'Clear Cache Memory' and not 'Clear Data'. If you do this, your account and app chats will be deleted.