Hi everyone, as we all know smartphones are now very essential part of our life. All our businesses, banking apps, entertainment, etc. all are now controlled by our smartphones. But sometimes we face some situations in which battery does not last for a whole day or sometimes we face performance issues. So, here is my article explaining everything to provide best battery life along with boost in performance for your android device. 1. Uninstall or Disable Unused Apps: Most android devices came with some preloaded apps which are not useful to us. These apps work in the background and eats both battery and processing power of smartphones.  to disable these apps just press and hold on these apps and just click on 'i' and search for an option for uninstall or disable the app. 2. Restrict Background Usage For Apps: Most of the apps consume battery and processing power of a processor in the background, which can be restricted by just visiting settings > Search Battery Option > B