Zi Corp., a provider of predictive text solutions, has renewed a multi-year supply agreement with Nokia Corp. that will see the Calgary-based company experience 100% increase in revenue in the first year of the contract. "This renewal expresses Nokia’s confidence in Zi as a key supplier and opens the door for further opportunities to work with Nokia on other projects," Milos Djokovic, president and CEO of Zi, said in a statement on Wednesday.