If you have problems with your Samsung Galaxy S4 and that the smartphone isn't working properly, a good solution to this is to wipe the system cache of the phone. You don't even need to do a hard reset. In fact, doing a system cache will NOT delete any of your personal info, but only the background and application cache. Cache is stored data on the phone which allows apps to load quicker, it's like the data is on standby until you need it again. Wiping it simply means that the app will have to reload the data.
How to clear the system cache for the Samsung Galaxy S4
If you have problems with your Samsung Galaxy S4 and that the smartphone isn't working properly, a good solution to this is to wipe the system cache of the phone. You don't even need to do a hard reset. In fact, doing a system cache will NOT delete any of your personal info, but only the background and application cache. Cache is stored data on the phone which allows apps to load quicker, it's like the data is on standby until you need it again. Wiping it simply means that the app will have to reload the data.

