Apple has released the iOS 5 Beta 4 OTA Update

Apple has released the iOS 5 Beta 4 OTA Update for the iPhone, iPad, and iPod touch.

This new version is available over the air for those of you already running the last version of the beta and brings a lot of new features, bug fixes and improvements over the older versions. Some of these goodies includes:

– an Android-like notification bar
– system-wide integration with Twitter
– the iMessage service
– you can now sync either automatically when charging or manually when wireless
– the “Documents and Data” toggle for iCloud, which allows you to turn on/off the ability for apps to save data and documents to the iCloud. The Apps will save their data and user data to the iCloud, and it will be available across devices, and backed up into the cloud.

Before to hit the OTA update you should know that the iPhone must have 50% charge or be plugged into a power source in order to download the iOS 5 Beta 4 update, but on the iPad it requires only 12% charge. iOS Beta 4 is about 133 MB for existing beta 3 users, and the full install is about 700MB. To properly sync, it will require the iTunes 10.5 Beta 4, which is available in Apple’s dev channel along with a new Xcode 4.2 Developer Preview 4. The Wi-Fi syncing with iTunes also now supports Windows PCs.

Via Electronista