iOS 5 has seen 2 beta releases so far, and if you are part of Apple’s Developer Program (like me) then you’ve been able to install this new version on your device. But what if you are not a developer and want to get your hands on the new version of iOS 5. Well, there is a way!
DISCLAIMER: iThinkDifferent is not responsible for any damage you may do to your phone during this process.
Step 1: Download iOS 5 Beta 2 for your device, as well as iTunes 10.5 Beta 2. Having the new iTunes will allow the device to upgrade and will give you the new feature of Wireless Syncing!
Step 2: Now we need to jailbreak the ISPW we just downloaded. This can be done with redsn0w or sn0wbreeze. This is only for iPhone, iPod and the original iPad. The iPad 2 will not work currently for this jailbreak.
Step 3: Now We need to browse the local filesystem of our device. You can do this with iPhone Explorer for Mac or i-Funbox for Windows. Go the the path: filesystem/library/coreservices/systemversion.plist. Right Click on the file and open it in notepad or textedit. Find the string: <key>ReleaseType</key> <string>beta</string>. Remove this key and string and save the plist file.
Step 4: Restart your device and connect it to iTunes. It will now sync easily with iTunes without having to register your UDID. iPhone users will still be able to use 3G as well. If you use a jailbroken/Unlocked iPhone, DO NOT upgrade to iOS 5. You will lose your unlock, possibly indefinitely.
That’s it. Enjoy the new Beta and enjoy Wireless Syncing!