my galaxy s 3 keep turning on wifi i off it .what should i do

[AC Question]

an also freezing the phone

 

[B. Diddy]

Welcome to Android Central! Do you see the wi-fi icon appear in the status bar when this happens, or do you only see it in the Settings>Battery graph?

When does the phone freeze? Is it random?

Try wiping the cache partition: http://forums.androidcentral.com/sa...ing-into-recovery-mode-galaxy-s2-s3-tab2.html