• If you can't download or upgrade WhatsApp from the Google Play Store, one of the following error codes is most likely to blame:
• 'There isn't enough room on the gadget.' Tap Apps & notifications > Google Play Store > App details>Storage > CLEAR CACHE in your device's Settings. Clear your data by tapping CLEAR DATA > OK.
• Restart your device, then try again to install WhatsApp.
• 'This app will not run on your Android device.'
• 'You are unable to purchase this item because it is not available in your country.'
• Delete data and programmes that you don't use anymore.
• Transfer your files and apps to an external SD card.

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