How to clear cache from Safari for iPhone Finally, we’ll take a look at system level settings that may fix some common issues you may have. Then, we’ll tell you how to clear cache from individual apps.
First, we’ll clear cache in Safari - the default browser on iOS devices. To clear cache on iPhone, we’ll take a three-pronged approach. What you can do is clear the cache individually from various apps, if they support that feature.
There is no such thing as a system level cache cleaner on iOS, so you can’t really clear cache on your iPhone in one shot. If your iPhone is slowing down or facing intermittent issues, you might want to try clearing cache to fix it.