Tether has been updated to version 2.0
With Tether tethering can enable operators to disable it by default, Settings - General - Network reappears option to activate it. With the tethering can share the connection to internet on your iPhone with any other device via Bluetooth or via USB.
Compatible with iPhone 3G, iPhone 3G and 4.
Compatible with IOS 3.x and 4.x
Changes and improvements:
- Operates in 4.3 to enable tethering iOS wifi WPA2-PSK
- Connects 13 simultaneous clients
- Added preferences
The Cydia you can download for $ 1.99.
To install it you have to have Jailbreak.