By David Adams MIAMI (Reuters) - Authorities did not violate a south Florida man's rights when his cell phone location data was used as evidence to convict him for his role in a string of armed robberies, a federal appeals court ruled on Tuesday. Lawyers for Quartavious Davis, who is serving a prison sentence of almost 162 years, argued at his 2012 trial that prosecutors had no right to use cell phone location data as they had not obtained a search warrant. The case is being closely watched as courts around the country wrestle with cell phone privacy issues. "The government did not seek, nor did it obtain, any GPS or real-time ... location information," the ruling said.

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