Apple iPhone 4 (iOS5)

Apple iPhone 4

iOS5 iOS4
If you don’t know your device’s software version, you can check it by selecting Settings > General > About.

How to guides

Update phone software

You can check for available software updates for your phone and download them. Follow these instructions to update your phone's software.
It's recommended that you back up the phone memory before you update the phone's software. Click here for information on how to back up the phone memory.

Step 1 of 8

Select option

Update the phone's software using iTunes, go to 1a.
Update the phone's software using a menu item in your phone, go to 1b.

Step 2 of 8

1a - Update the phone's software using iTunes

Start the program iTunes on your computer.

Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
Step 3 of 8

1a - Update the phone's software using iTunes

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.

Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
Step 4 of 8

1a - Update the phone's software using iTunes

To start the update manually:
Select your phone in the menu to the left.

Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
Step 5 of 8

1a - Update the phone's software using iTunes

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

Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
Step 6 of 8

1b - Update the phone's software using a menu item in your phone

Press Settings.

Step 7 of 8

1b - Update the phone's software using a menu item in your phone

Press General.

Step 8 of 8

1b - Update the phone's software using a menu item in your phone

Press Software Update.
Follow the instructions on the display to update your phone's software.

1. Select option

Update the phone's software using iTunes, go to 1a.
Update the phone's software using a menu item in your phone, go to 1b.

2. 1a - Update the phone's software using iTunes

Start the program iTunes on your computer.
Before you can update the phone software using iTunes, you need to install 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.
Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
To start the update manually:
Select your phone in the menu to the left.
Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.
Select Check for Update.
Follow the instructions on the screen to update the phone software.
Before you can update the phone software using iTunes, you need to install the program iTunes on your computer.

3. 1b - Update the phone's software using a menu item in your phone

Press Settings.
Press General.
Press Software Update.
Follow the instructions on the display to update your phone's software.

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