Internal accelerometers are used by some applications to respond to shaking the device (one common result is the undo command) or rotating it vertically (one common result is switching from portrait to landscape mode).
Update 1: i OS 6.1.6 fixes the following security issue: Update 3: winocm has confirmed that i OS 6.1.6 does not fix the vulnerabilities used in p0sixspwn jailbreak, so it is safe, but you may want to wait for them to release a new version of the jailbreak for i OS 6.1.6.
in Australia and Japan on June 26, and internationally in July and August 2009.
Redsn0w 0.9.6b5 jailbreaks i OS 4.2.1 but also provides the added ability to install baseband firmware that can be unlocked for the i Phone 3GS and i Phone 3G.
For other i OS devices, redsn0w 0.9.6b5 will simply jailbreak the device but some models will be a tethered jailbreak.
All of its exclusive features were incorporated into the i Phone 4.
Interaction with the OS includes gestures such as swipe, tap, pinch, and reverse pinch, all of which have specific definitions within the context of the i OS operating system and its multi-touch interface.
If you haven't made one recently via i Cloud or i Tunes, make sure you do before proceeding.
If you're using i Cloud, you can follow our tutorial on how to backup your i Phone, i Pad, or i Pod touch with i Cloud.
You can either visit i to snag the latest update or if you're on a Mac, just run a software update and it should come through.