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Many Android phones come with unnecessary software that eats into the phone’s limited supply of memory. In all, about 20 percent of my new phone’s 32 gigabytes of memory were already occupied before I switched it on.
The 10 million people who have bought Samsung Corp.’s best-selling Galaxy S4 have it even tougher. The S4 comes with just 16 gigs of memory — and over half of it is consumed by Android and bloatware. To make the best of the memory you’ve got, start by deleting any apps you don’t really need. Also, clear the cache. You can save hundreds of megabytes by simply erasing this cache on a regular basis. A free app called Clean Master does a fine job of this.