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

Turn your phone on and off

Follow these instructions to turn your phone on and off.
Before using your phone, you need to insert your SIM and the battery. Click here to see how.

Step 1 of 7

Turn on your phone

Press and hold On/Off until your phone is turned on.

Step 2 of 7

Enter PIN

Drag the arrow right.

The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
Step 3 of 7

Enter PIN

Press Unlock.

The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
Step 4 of 7

Enter PIN

Key in your PIN and press OK.

The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
Step 5 of 7

SIM rejected

If the display tells you that your SIM isn't accepted, you may have a faulty SIM or SIM reader. Your phone can also be locked to another operator. Contact this operator for further information.

Step 6 of 7

Turn off your phone

Press and hold On/Off.

Step 7 of 7

Turn off your phone

Drag the arrow right to turn off your phone.

1. Turn on your phone

Press and hold On/Off until your phone is turned on.

2. Enter PIN

Drag the arrow right.
The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
Press Unlock.
The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
Key in your PIN and press OK.
The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.

3. SIM rejected

If the display tells you that your SIM isn't accepted, you may have a faulty SIM or SIM reader. Your phone can also be locked to another operator. Contact this operator for further information.

4. Turn off your phone

Press and hold On/Off.
Drag the arrow right to turn off your phone.

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