A week after iOS 9.0.1 rolled to fix irregularities in iOS 9.0, another update with aim to wash out latest OS bugs especially fixes related to iMessage, iCloud Backup, and screen rotation, as well as enhancements that stabilize the Podcasts.This update further bring solution to issues like switching On/Off app mobile data usage.

iOS 9.0.2 on a roll out to kill more bugs

Also as mentioned the problem that blocked iMessage activation has been fixed. Similarly, there were iCloud Backup hindrances plus incorrect screen rotation after receiving notification. The update fixing these weighs 62.1 MB.

While just seeding its iOS 9.0.2 update, the Cupertino giant has also prevented letting users sign iOS 8.4.1 and 9.0, which means that no rolling-back from the latest version to previous versions.