
In-store trade-in requires presentation of a valid photo ID (local law may require saving this information). Sales tax may be assessed on full value of a new device purchase. Actual value awarded is based on receipt of a qualifying device matching the description provided when estimate was made. Trade-in value may be applied toward qualifying new device purchase, or added to an Apple Gift Card.

You must be at least 18 years old to be eligible to trade in for credit or for an Apple Gift Card. Trade-in values will vary based on the condition, year, and configuration of your eligible trade-in device. You may also need to upgrade to iTunes 10.5.3 if you want to sync the iBooks to an iPad. The iBooks Author icon will probably keep it’s strike through it, but the app opens fine and everything seems to work. Locate keys ProductUserVisibleVersion and ProductVersion again, but change their strings from to “10.7.2” back to “10.6.8”.Almost done! Now go back to the ist file and open it again:.In ist, look for “LSMinimumSystemVersion” and change the accompanying string from “10.7.2” to “10.6.8” and safe the file.Now open the folder “Contents” and locate and open “ist”, you can use nano or your favorite text editor.After iBooks Author is finished downloading – do not launch it yet, instead open /Applications/ and find the app, then right-click on it and choose “Show Package Contents”.Now launch the Mac App Store and find and download iBooks Author.

Locate the keys ProductUserVisibleVersion and ProductVersion and change their strings from “10.6.8” to “10.7.2”.

Sudo nano /System/Library/CoreServices/ist Launch the Terminal and type the following:.Locate ist and make a backup copy of it to the desktop.From the Mac OS X desktop, hit Command+Shift+G and enter /System/Library/CoreServices/.If you plan on publishing with iBooks Author, you should use OS X Lion though. This is not supported by Apple, although the app appears to work fine and if you just want to explore the application it’s more than enough.
