Why does my s5 run slower at times

[Android Central Question]

Sometimes take a while to load the contact menu,freezes to

 

[belodion]

Failing hardware? Failing software? Back up your personal data while you still can. Try a Cache Partition wipe. https://forums.androidcentral.com/showthread.php?t=409154

 

[B. Diddy]

Welcome to Android Central! Here are the steps: https://support.t-mobile.com/docs/DOC-28492