Every time I come in from work my 2 year old golden retriever will sit infront of me, and she won't move until I give her my iphone. She doesn't try to chew it or anything, she just holds it gently in her mouth then she will take it in the living room and drop it on her bed.
None of my other dogs do this. If you tell her to pick it up, she will (although she won't bring it to me) but she will put it on another bed
Read more: Why does my dog like my iphone so much?