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AT&T Application Resource Optimizer (ARO) is a free diagnostic tool for analyzing the performance of your mobile applications. It can help your app run faster and smarter by providing recommendations to help optimize your mobile application's performance, speed, network impact and battery utilization.

To download AT&T ARO, Join the AT&T Developer Program, or if you're already a member, Sign in. Need more information? Learn more about the AT&T Developer Program Features.

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