Source : http://www.nokiausa.com/find-products/phones/nokia-n81-8gb .... Explore the Nokia N81 8GB, packing dozens of powerful functions into one sleek, stylish mobile device. It’s your mobile phone and more.

Source : http://www.thaimobilecenter.com/spec/Nokia_N81_8GB.asp .... มือถือNokia N81 8GB ข้อมูลโทรศัพท์มือถือ Nokia-โนเกีย Nokia N81 8GB พร้อม ...

Source : http://en.wikipedia.org/wiki/Nokia_N81_8GB .... The Nokia N81 is a smartphone announced by Nokia on August 29 2007. The phone is compatible with the N-Gage 2.0 mobile gaming service.