Beware that sharing your Internet could result in significant data use and thus significant data charges from your network carrier.
Press to launch Cydia from your iPhone Springboard.
Press to choose the Sections tab from the bottom of the screen.
Press to select System from the list of Sections
Press to select MyWi (No Rock) from the list of Packages.
Press the Appsidy Buy button at the top right of the screen. This will take you through the steps to pay $9.99 for the application using a credit card.
Once you have paid for the application you will be returned to the package details screen where you can now press the Install button at the top right of the screen.
Press the Confirm button to begin installation.
Once the installation has completed successfully press the large Restart SpringBoard button.
Press to launch the MyWi application from your iPhone Springboard.
If this is your first time launching you will be asked to press the Authenticate button to validate your purchase.
Once validated MyWi will need to respring before it can be launched.
After the respring relaunch MyWi. You will be prompted to accept the license agreement and the carrier charges warning.
Choose the WiFi Name field and input the name you'd like to specify for your wireless network.
You can press the WiFi Channel field to select the wireless channel your network will broadcast over.
If you would like to enable WEP Security move the switch to the ON position.
You will then be required to input a password into the WEP Key field. Remember you can only use numbers 0-9 and letters A-F.
If you would like your iPhone to still tether to your computer using USB or Bluetooth you can set the USB and Bluetooth switch to the ON position.
When you are ready to start your wireless hotspot, switch the WiFi Tethering toggle to the ON position. MyWi will warn you that establishing a hotspot will use a lot of battery power. Press the large OK button to continue.
MyWi will now begin broadcasting the wireless network with the name you selected earlier. Use your computer to search for networks and connect to the hotspot!