The arrival of the iPhone 5 and its ability to handle Long-Term Evolution-based data will put the carriers' 4G networks to the test, industry executives say. "The iPhone is going to be the first big catalyst for adoption of LTE," said Murali Nemani, a Cisco Systems marketing director. The carriers say their networks are ready for the extra traffic. Another question analysts raise: In consuming ever more data, will consumers get surprised by the heavier bills?
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