Nokia reports its spring quarter on Thursday — and the stakes are very high, indeed. The.substantial spring.revenue weakness from.BlackBerry and HTC implies that many second-tier brands are now in serious trouble with their brand new product launches. Samsung’s earnings miss was a shocker because the South Korean giant was supposed to have a wide open shot at dominating spring sales, particularly.because Apple’s iPhone sales started slowing down significantly in the March quarter. The industry is now staring at the possibility of the entire high-end smartphone market slowing down much faster than expected..But Nokia is not dependent on high-end smartphones to the extent that BlackBerry and HTC are — and that makes Nokia’s spring report absolutely riveting. Nokia has two black

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