Can't find 'Hey cortana' option ?

[crunchieb]

I just got my 640 today but I can't find anywhere to enable voice control "hey cortana".

Is this not supported on the 640?

 

[Likwidz]

re:

Nope. 930 , Icon, and 1520's only support it.

 

[Nathan-NL]

re:

microsoft.com/en-us/mobile/support/product/lumia640/smartguidance/?action=singleTopic&topic=GUID-38646146-B87D-4D41-9E85-806824D474BA-8_10_2 ?

 

[Nagoyablue]

re:

Hey COrtana needs a 8xx SoC. 640 and 640XL only have a 400 SoC, so no.