Sony unveiled a new waterproof phone that can take ultra-high-definition video. Nokia introduced three Android smartphones aimed at emerging markets. And Lenovo announced one with an all-glass exterior.
Yet the spotlight Monday was on Samsung, which unveiled a successor to its flagship Galaxy S4 smartphone. The Galaxy S5 will feature a heart-rate monitor, a fingerprint sensor for security, and a sharper camera with faster autofocus.
Samsung’s glitzy announcement during the Mobile World Congress wireless show in Barcelona made it harder for other phone makers to get noticed. Samsung had several times the attendance of either Sony’s or Nokia’s event Monday. An orchestra opened Samsung’s event as blue spotlights moved up and down the aisles. Full story for BostonGlobe.com subscribers.