By Keerthi Chandrashekar (staff@latinospost.com) | First Posted: Sep 07, 2012 03:36 PM EDT

The iPhone 5 has a lot of people excited. Never has a handset seen so much hype that some analysts are expecting it to be the biggest electronics device launch of all time. Phone trade-ins are growing increasingly popular as handset owners are looking to upgrade to the next-gen iPhone. 

After Apple sent out official press invitations to a press conference on September 12 with the vague hint of discussing something related to "5" (most likely the iPhone 5), phone retailers reported a surge in trade-ins.

"News of the Apple event invitation triggered a lot of activity," said Jeff Trachsel from NextWorth, a company that buys used smartphones from consumers. "The number of quotes generated compared to the previous week was up 190 percent."

"Immediately after the news, we saw a 300% week-over-week jump in the number of people going online to check prices for their current iPhones," said Bob Kilinski, the chief marketing officer of CExchange.

Since the iPhone 5 seems to be generating so much interest. LatinosPost conducted a poll asking readers which phones they would be upgrading to the iPhone 5 from.

From our poll, it seems that iPhone users may be the most excited about the next-gen iPhone.

Out of 414 participants, 29 percent stated they would be upgrading from the iPhone 4, while 19 percent said they were planning on replacing their iPhone 4S with the iPhone 5. A total of 71 people responded that they would be switching over to Apple's next-gen handset from the Motorola Droid.

The Apple press conference on September 12 should lead to an iPhone 5 release date nine days later on September 21.

The iPhone 5 will have a 4-inch screen, 4G capability, and be running iOS 6. It should also feature a smaller, 9-pin dock connector as well as an NFC chip that could make wireless payments a thing of the future.

Carriers AT&T, Verizon, and Sprint should be carrying the phone when it launches late-September.

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