Why does my phone constantly turn off and on when I turn on the internet connection?

[AC Question]

why is does my phone constantly turn off and on when i turn on the internet connecton.

i have an irulu vi android phone and when ever i add data connection or connect to wifi it freeze,turn off and on and it keep saying adobe air and measures stop working, why is this so. i find this to be very annoying. in order for me to use the phone i have to turn off the data connection or wifi...i need the internet connectionin order to use whatspp and facebook and even to access my mails.