NEW YORK — Research In Motion Ltd. on Wednesday unveiled five new BlackBerry phones with touch screens, as it hopes to revive the line’s dwindling appeal in the face of competition from the iPhone and Android smartphones. The new phones had been expected earlier this year, but were delayed. Though the company is profitable and seeing growing sales, it is increasingly seen as a has-been that missed the chance to parlay the BlackBerry’s popularity as a corporate email device into mass-market dominance.

RIM, which is based in Waterloo, Ontario, is updating its high-end Bold models to include touch screens. It’s also launching two Torch models with big screens but no physical keyboards, mimicking the basic design of the iPhone.

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