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The 5 biggest gripes so far about the iPhone 4S

CNN Online :

Nobody's perfect. And despite generally strong reviews and record early sales, the iPhone 4S is no exception.
Apple's new phone went on sale Friday in the U.S. and six other countries, and maybe no rollout this massive (Apple reported selling 4 million of the new phones over the weekend) could be expected to be without problems.
So far, there's been no 4S equivalent to the iPhone 4's "Antennagate." But as folks put their new gadget through its paces, some early complaints have appeared on online message boards.
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Some of these may be early-run blips (that's how we're going to categorize the problems that some customers had activating their phones over the weekend). Whether they become enduring causes of headaches remains to be seen. (Apple did not immediately respond to our request for comment.)
But here are five of the most frequent complaints we've heard about the iPhone 4S:
The big news on the carrier front for the iPhone 4S was that Sprint would be added as an approved mobile carrier, joining AT&T and Verizon. But some Sprint customers didn't get off to a very good start. Many users were reporting slow data speed for the first couple of days. A thread on the Sprint community forum has 23 pages of people talking about slow data speed.
"Sprint, we need some answer. Are you guys doing iPhone specific throttling?" one person posted. "You will lose your customer if the customer finding their iPhone unusable ... "
This isn't the first time Sprint's speed has come into question. In PCMag's June survey of the fastest mobile networks, Sprint trailed Verizon and AT&T in most regions of the country.
A Sprint news release said Friday was the biggest sales day of a mobile device in its history, surpassing expectations.