How to clear the cache on your Android phone or tablet (and why you should)
ZDNet -

Over time, your Android device might start to slow down a bit and that can be frustrating. Fortunately, if you're experiencing slow performance on a smartphone or tablet, there are common steps you can take to troubleshoot and oftentimes fix the issues. Simply restarting your device can take care of a lot of problems. Another common way to improve performance, or at the very least free up extra storage space, on an Android phone is to clear an app's cached data and clear Chrome's cached data for...

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