Kung ang ibig mong sabihin ay nag hahang cp mo.. eto sulusyon dyan..
Uninstall or disable unuseful/bloatware apps like google play maps,movies,hangouts etc.
Replace heavy apps like Fb,Messenger,Insta. etc. replace with lite version if you need these apps kasi palagi silang nag rarun kahit di mo ginagamit matakaw sila sa ram
Free up some space sa internal storage, delete mo yung not important files
Gamit ka ng greenify na app pang kill ng background apps (optional lang to)