nokia lumia 520 is better
You didn't specify which Nokia Lumina, it would be difficult to compare. That being said, there is a new Lumia coming out (Lumia 1020) that has better specs all around on paper vs. the Xperia L.
Nokia lumia 900 is better
The Nokia Lumia 900 is better than the IPhone 4s because it is cheaper and has better apps. It also has a bigger screen so if you like watching videos it works better than the IPhone 4s. I have had both the IPhone 4s and the Nokia Lumia 900 and the Nokia Lumia 900 wins by far.
The latest Nokia Lumia smartphone is the Nokia Lumia 630. It has yet to be released.
BBM on Nokia Lumia
The Nokia Lumia versions in order is: Lumia 800,Lumia 710,Lumia 610,Lumia 900 and Lumia 510.
Some of the features of the Nokia Lumia 1020 are much better than those of the iPhone 4S, so I believe you should go with the Lumia.
The latest Nokia Lumia phone can be seen on the Nokia homepage. This phone is the Lumia 1520 as of January of 2014.
You cannot get the Google Play store on a Nokia Lumia 520 phone. The Nokia Lumia 520 is a Windows phone.
The best cheap mobile phones is, Samsung Galaxy S III with 16gb from wirefly. Another cheap mobile phones is, Nokia Lumia 520, Orange San Diego, Huawei Ascend G330, Sony Xperia U, Nokia Lumia 620, and HTC Desire C.
Nokia Lumia was created in 2011.
Lol, Samsung Galaxy S2!