Its available needs 6.5gb of space though....
On ipad.
Bluetooth
Available for: iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact: Bluetooth is unexpectedly enabled by default after upgrading
iOS
Description: Bluetooth was enabled automatically after upgrading
iOS. This was addressed by only turning on Bluetooth for major or
minor version updates.
CVE-ID
CVE-2014-4354 : Maneet Singh, Sean Bluestein