1. When faced with App Store related issues or errors, a simple fix that works for most problems is to log out and log back into the app store using your Apple ID
2. Tap on Settings > iTunes & App Store
3. Next, tap on your Apple ID and choose Sign Out
4. Next, sign back in again and try downloading an app
1. Set the date manually to a year ahead
2. Next, try to download an app from the app store and see if it works
3. Come back to these same settings and switch the date and time back to Set Automatically
1. Tap on Settings > Wi-Fi and choose the wi-fi network you are using
2. Scroll down to the DNS field and enter 8.8.8.8 or 8.8.4.4 next to DNS overriding the value that you have there–this is for Google’s public DNS–you can also enter other third-party DBS servers.