How to troubleshoot Google Play Store download

If there is insufficient storage space, downloading won't work. Check the storage space as shown below.

Step 1. Go to Setting > select Device care.
Step 2. Navigate to and select Storage > tap on Advanced at the bottom of the screen.
Step 3. Check Available space.

If your device has less than 1GB of storage available, you will need to free up some space. For example, you can back up your pictures and videos on the cloud and then delete them, or you can delete unwanted apps for more space. 

Deleting data and cache can help your Google Play Store fix the downloading problem. You may follow below steps to clear data and cache. 

Step 1. Go to Settings and select Apps.
Step 2. From the list of Apps that appears, select Google Play Store.
Step 3. Tap Storage > Clear data or Clear cache. 

Try to login to Google account by following steps below. 

Step 1. Go to Settings > Account and backup
Step 2. Tap Accounts > Google account
Step 3. Tap on Remove account. 

You can restart the device by choosing either method below. 

Method 1. Press and hold the Power button> Tap on Restart on the pop-up menus.
Method 2. Swipe down and slide the menus and press the Power button > Tap on Restart on the pop-up menus.

If you are a S20 user, you can power off by 'Press and hold' the side key and the Volume-down key together.