Guide for the Apple iPhone 4 (iOS4) - Update phone software

Step 1 of 5

Start iTunes

Start the program iTunes on your computer.

Step 2 of 5

Connect phone and computer

Connect the data cable to the socket at the bottom of your phone and to your computer's USB port.

Step 3 of 5

Update the phone software

Depending on your settings in iTunes, the program may suggest to update your phone automatically.

Step 4 of 5

Update the phone software

To start the update manually:
Select your phone on the list of connected devices.

Step 5 of 5

Update the phone software

Select Check for Update.
Follow the instructions on the screen to update the phone software.

Start the program iTunes on your computer.

Connect the data cable to the socket at the bottom of your phone and to your computer's USB port.

Depending on your settings in iTunes, the program may suggest to update your phone automatically.

To start the update manually:
Select your phone on the list of connected devices.

Select Check for Update.
Follow the instructions on the screen to update the phone software.

Apple iPhone 4