In talks with Mr Choe, Wang Jiarui is likely to have conveyed a warning to North Korea not to be a "trouble-maker", Mr Zhan tells Ta Kung Pao, a Beijing-backed Hong Kong newspaper.
The BlackBerry maker remains in serious trouble: it continues to lose market share to both Apple and Android phones, and Nokia is just coming to market with its first phones running the latest version of Windows Phone.
The company raised Skr18.8 billion a year ago when it sold 55% of Scania, a lorry maker that had been in trouble only a few years earlier though Scania's shares have since underperformed the Swedish market by 23%.