India, June 20 -- Nokia has reacted to criticism about the commercial readiness of its 5G systems by claiming that five operators are now providing 5G services over its networks.

The companies include all three of South Korea's mobile operators -- KT, SK Telecom and LGU+ -- as well as Vodafone Italy and du in the United Arab Emirates.

The details were shared with Light Reading after Nokia blamed software issues and interoperability problems for a ?200 million ($226 million) revenue shortfall in the first quarter. "Our revenue recognition policies and contractual terms require reasonable commercial availability and customer acceptance of our own system software before we can recognize revenue related to a new generation of mobile technolog...