Simplify the following text for a Grade 8 native English-speaking person.
Original: In the first quarter of 2006 Nokia sold over 15 million MP3 capable mobile phones , which means that Nokia is not only the world 's leading supplier of mobile phones and digital cameras ( as most of Nokia 's mobile telephones feature digital cameras , it is also believed that Nokia has recently overtaken Kodak in camera production making it the largest in the world ) , Nokia is now also the leading supplier of digital audio players ( MP3 players ) , outpacing sales of devices such as the iPod from Apple . At the end of the year 2007 , Nokia managed to sell almost 440 million mobile phones which accounted for 40 % of all global mobile phones sales .
Simplified: Nokia Corporation is a company that makes mobile phones .