issues with the latest s5 update

[AC Question]

The whole system has slowed down it doesn't respond so quickly at touch especially the home button
it swap from 4G to wireless every few seconds
I get very often notifications that some android app has stopped working
please help

 

[B. Diddy]

Welcome to Android Central! Try wiping the cache partition: http://support.t-mobile.com/docs/DOC-10404

For the wi-fi issue, go to Settings>Wi-fi, tap Menu>Advanced, and turn off Smart Network Switch.

 

[metomax]

A factory reset usually helps. you might want to read My Android is slow: 5 things you can do to speed your phone back up