Now that you know what RAM is, we’ll show you how to preserve it. In this first part, we focus on tips for non-rooted devices. For those devices you can’t magically add more memory, but you can make better use of what you’ve got. As a rule of thumb, the more your phone is doing the more RAM is being used, so if you can reduce what’s running you can free up more memory for the tasks that really matter.
Limit widgets and live wallpapers
Widgets and live wallpapers are both pretty greedy when it comes to RAM usage. Many refresh often and occupy bandwidth, while some are continuously active. This can also cause your battery to drain faster. So remember to limit the number of them in effect to optimize your current available memory.