Nokia revolutionized the mobile phone market in the 1990s but then lost significant market share to Apple and Android manufacturers in the late 2000s/early 2010s as their Symbian OS fell behind and they failed to adopt Android. In 2011, Nokia partnered with Microsoft to use Windows Phone, but by then their market position had severely declined. The document discusses Nokia's history, mistakes like sticking with Symbian for too long, and potential strategies like focusing on innovation, selling patents/businesses, relocating, and bringing Windows Phone to more price points.