The person can find it on the Nokia website but that sounds fishy its either faulty or he/she found some way to sheg it up, your smart phone usually only starts lagging when you have a very large memory stick and its full or when you have a lot of apps running or a combination of the two.
Intel i5 2300, Gigabyte Z68XP-UD3, 12GB DDR3 @1600 MHZ, XFX 6870 2gb (Stock). All Stock
For in much wisdom is much grief, and increase of knowledge is increase of sorrow | If you love something let it go, if it comes back to you its yours if it doesn't, it never was.