Verizon Wireless Customer Support wrote:
Let's speed things up a notch! What's your ZIP code and phone model? We'll check the area provide troubleshooting options to resolve.
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zip code 10001
GALAXY S 3
no troubleshooting will be able to resolve this. the area is over saturated. LTE IN MANHATTAN IS NON EXISTENT AND MY PHONE KEEP SWITCHING BETWEEN 3G AND 1X ALL THE TIME.