Prefer the Old School? If you do, you can definitely downgrade, but be sure check the chart below to downgrade properly. Follow the steps outlined and you will have a brand new old iDevice for your Jailbreaking pleasure or just for bragging to your friends that your model ain’t the latest, but the longest in the tooth.
In an effort to stem the high prices of its laptop line, Apple announced overhauled MacBool Pro models. The series received the most immediately noticeable upgrade in a return to a smaller form factor which has long been overdue. The 12 inch PowerBook replacement received these updates over its prior incarnation as a mere MacBook: a MacBook Pro quality screen, the reintroduction of a FireWire port and an SD card port. However, the 15-inch model was made redundant. Unless you need the speakers and the larger screen, there is no reason to opt for the more expensive middling model.