Sprint has joined T-Mobile, Verizon, and AT&T in offering a free service with basic protection against fraud and spam callers. Like the free services already offered by other carriers, Sprint's new Call Screener Basic can block the highest-risk fraud calls, and identify other likely spam calls as they ring. Sprint's new free service also include caller-ID for businesses. A premium version, called Call Screener Plus, runs $3/month and includes advanced caller-ID for personal lines, plus options to automatically block lower-risk spam calls. Users of Sprint Call Screener will receive a free 15-day trial of Sprint Call Screener Plus. Android phones sold by Sprint should already have the app. iPhone users can download the app from the App Store.


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