Nokia (NYSE: NOK) gave the world a dose of nostalgia at the Mobile World Congress in Barcelona by relaunching one of the most popular phones in its history — the Nokia 3310. HMD Global, which designs and manufactures Nokia’s phones under a licensing agreement, has rebooted the 17 year-old device in a move that has turned a lot of heads. But will it be meaningful to Nokia investors, given how much phones have evolved in all those years?