Mobile operators are financially in good shape. However, there are weak signals, which can be regarded as an early warning about the future prospects of the operators. Examples of the mobile terminal industry have proven that the incumbent mobile actors must be prepared for a new market, which is no longer built on the old achievements. This dissertation proposes two complementing propositions, which can be utilized for the operator renewal process. Open innovation has been one of the main drivers in the success of the internet companies, while the introduction of cloud computing has lowered the risk of entrepreneurship to a new level that has attracted in a vast number of novel startups. The telecom industry can learn from these initiat...