The Apple iPhone 4 is set to go on sale Thursday. Judging by the record demand during the pre-sale period, the newest iPhone will make a huge sales splash, especially with old iPhone owners trading up.

Here are five bruises on the new Apple iPhone that may engender complaint.

No. 5: A Skimpy Camera

As smartphone challengers like HTC, Motorola and Nokia embrace the megapixel race with 8-megapixel and 12-megapixel cameras, Apple's new iPhone keeps it cheap with a 5-megapixel model.

No. 4: No Swype

If you've seen Swype or used it, you know why this omission makes the list. Typing on a touchscreen is a challenge as the flat glass surface offers few clues to where your fat fingers are precisely making contact. It's an error-prone process that gives one a longing for the raised keys of the BlackBerry keyboard from Research In Motion.

No. 3: Video Calling

Okay, it's not totally bait and switch, but Apple's hot new iPhone video calling feature, FaceTime, comes with lots of asterisks and a limited applicability.

No. 2: iPhone 4 Shortages

Strong demand is only half the story for Apple's iPhone sales debut. Limited supply is the other. A shortage of in-plane display panels, the crucial part of Apple's touted retina display screens, has forced Apple's contract manufacturers to cut production rates in half to 1 million iPhones a month.

No. 1: No Verizon iPhone

A new iPhone is big. But a new iPhone at Verizon? Much bigger.

source: yahoo finance