There are six solutions by which you can resolve the "Download pending" error, let's break down to resolve the error.
Solution 1: check the internet and Wi-Fi connection
Solution 2: turn off the VPN app if it is enabled
Solution 3: restart your device
Solution 4: clear Google Play Store data
Solution 5: uninstall Play Store and reinstall updates
Solution 6: factory reset your device
There are chances that your mobile internet is down or running very slow for some reason. Your Wi-Fi is not working as expected or is terribly slow due to some bug. How To Fix Google Play Store Download Pending Error if by toggling the Wi-Fi button guide, you download the app using your mobile data plan.
In that case, connect to a different Wi-Fi network or ask someone you know to start your mobile hotspot. I also suggest that you disable the data plan and go back and see if the error is fixed.
Since VPNs basically spoof your location, the Google Play Store may think that you are not in the country where you should be based on your device, and may pause your downloads. If that's the case, there really isn't much you need to do to fix the problem. All you need to do is disable the VPN app on your phone and you should be good to go.
In most applications, however, you will find a large button on the main interface that allows you to turn the service on and off. Maybe you can get the solution by fixing this too.
Sometimes you get the solution easily by restarting your device. You should try restarting your Android phone or tablet. Sometimes this little step shows wonderful results without touching any other settings. So, try this too.
Play Store downloads only one app at a time, adding to the "Download pending" error. To allow the download to begin, you will need to clear the queue for all scheduled downloads before they can be stopped. You have to clear the entire cache of the Play Store application.
Note that sometimes if you clear the Play Store cache data, it can also help to restore balance in the universe.
Sometimes if you uninstall the app and reinstall it, in that case, the associated services will reset and once the Google Play Store is updated again, you should no longer have any pending download issues.
The main cause of this problem is the outdated version of the Google Play Store. In many cases, users also reported that they were able to fix the problem by going to the previous versions of the Play Store. Try updating the version of the Play Store app.
If nothing goes well, then there is only one solution left, which is to factory reset your device. " If nothing works and you still have the Play Store download pending issue on your phone, your last resort should be to reset your phone to factory settings. It will erase all your settings, settings, data and allow you to configure your phone from scratch. "
Don't forget to back up your device files before starting to factory data reset your device. Otherwise, all important data will be lost.