Apple iPhone 4 (iOS4)

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

Back up phone memory

Before updating your phone's software, it's recommended that you back up the phone memory to ensure that no data is lost. It can also be useful to back up the phone memory regularly to ensure that no data is lost in case of defects and crashes. Follow these instructions to back up the phone memory.
Before you can back up the phone memory, you need to install the program iTunes on your computer.

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

Back up phone memory

Depending on your settings in iTunes, backup may start automatically.

Step 4 of 5

Back up phone memory

To start backup manually:
Right-click your phone on the list of connected devices.

Step 5 of 5

Back up phone memory

Select Back Up.

1. Start iTunes

Start the program iTunes on your computer.

2. Connect phone and computer

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

3. Back up phone memory

Depending on your settings in iTunes, backup may start automatically.
To start backup manually:
Right-click your phone on the list of connected devices.
Select Back Up.

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