Apple will begin mass producing a new CDMA iPhone by the end of 2010 and begin selling the device in early 2011, according to a new report.

[ad#Google Adsense 300×250 in story]Citing people who have been briefed by Apple on the new device, the WSJ said the new iPhone would be similar in design to the current iPhone 4.

Apple is also said to be developing a new iPhone model, making it the 5th generation model. There is no details in the report whether this will come out sooner than expected or if it will be replacing the iPhone 4 next summer, during Apple’s normal release schedule.

People who said they were briefed by Apple on the 5th generation iPhone said it would be a different form factor than those currently available.