for those of you noobs or ones that don't want to risk bricking your phone due to a locked bootloader, let me give you some advice you can download an app call app quarantine it's a free app that let you freeze all of your bloat and also there's an app called Smart Ram Booster Pro which will monitor your RAM and also your cache it will refesh both when they are low mix that in with juice defender or Juice Defender ultimate and youre set.