Upgrade for windows 7.8

I think there is an upgrade available already for several weeks, connect our phone to the computer via usb cable and fire up Zune, there should detect an upgrade. Then, just follow the on-screen instructions. That's it :).
 
As far as I know, Lumia 510 came with 7.8 out of the box

Sent from my Lumia 510 using Tapatalk
 

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