iOS 4.1 . As all of the time, you ask to accept a jail broken iPhone or iPod Touch to be able to instal and apply cracked sw.If you've an iPhone 3GS device with the previous version bootrom, you'll be able to jailbreak your iPhone.
install AppSync 4.1 ???? in such easy steps
1. Activate Cydia.
2. Add together these fresh source: http://cydia.hackulo.us
3. Look for AppSync for OS 4.1 in Cydia.
4. Instal AppSync for OS 4.1.
5. Instal a free of cost app from iTunes before tasting the cracked applications.