To download whatsapp plus rojo apk, make sure your device supports the APK format. After downloading the APK, make sure that your device has a stable internet connection. Also, make sure you have at least 500MB of free space on your phone to accommodate the app. Once installed, it will take a few moments to complete the process. You may want to remove some of your existing apps to free up space. However, you should keep in mind that WhatsApp Plus does consume a significant portion of your storage.