Correspondingly, why won't my Samsung let me download apps?
Open Settings > Apps & Notifications > See all apps and navigate to the Google Play Store's App Info page. Tap on Force Stop and check if the issue gets resolved. If not, click on Clear Cache and Clear Data, then re-open the Play Store and try the download again.
Also Know, why is my phone refusing to install apps? Corrupted storage, especially corrupted SD cards, is one of the most common reasons why Android app not installed error occurs. Unwanted data might contain elements that disturb the storage location, causing Android app can't install error.
Also to know, why the apps are not downloading from Play Store?
If you still can't download after you clear the cache & data of the Play Store, restart your device. Press and hold the Power button until the menu pops up. Tap Power off or Restart if that is an option. If needed, press and hold the Power button until your device turns on again.
Why is my phone not letting me download anything?
Try to clear your cache as well as app data of Google Play store. and restart your device and just open play store and start downloading app. If you have any update recently installed for your google play store uninstall it and restart your phone and try it again it will work. Check for Restricted Background data.