If your iPhone isn't responding and you're not able to power it off and then on again, you can force restart it to hopefully fix the issue. So, here's how to force a restart on any iPhone ...
When you see the “Word Cannot Complete the Save” permission error, it means Word can’t save the document. This happens because Word doesn’t have the right permissions to change the file or the folder ...
With the premium version, you can get an alert whenever a watchlist word is mentioned ... then press “Restart Springboard.” Finally, press the “SystemTask” app on your home screen.