Unlock Apple iPhone 4 Passcode.

OS: iOS 4, upgradable to iOS 7.1.2

CPU: 1.0 GHz Cortex-A8

Display: 3.5" inc

Camera: 5 MP, Single

1. Unlock iPhone Password if you have never sync your iPhone with iTunes before

1. Install the latest version of iTunes, then follow the steps below:
2. Open iTunes and connect your iPhone to your computer with a USB cable. Once connected, an error message will appear because the iPhone is password locked.
3. You need to put your iPhone into recovery mode.
4. This can be done with a free utility that can put your iOS device into recovery mode and back.
5. After the iOS device goes into recovery mode, the USB cable, iTunes icon, and 'Connect to iTunes' message will appear on the screen.
6. In iTunes, click 'OK' and then click 'Restore' to restore your iPhone.
7. Next, you can configure the phone and reset the new lock screen password.

2. Unlock iPhone Passcode If You Have Previously Synced iPhone with iTunes

1. Connect your iPhone to the computer where you normally sync your iPhone.
2. Launch iTunes, right-click the iPhone icon on the left side of iTunes and select "Backup".
3. When the backup is complete, select "Restore."
4. After the restore process is complete, update the data from the last backup in iTunes.

3. Unlock Apple iPhone 4 Passcode without Using iTunes

UltFone iOS System Repair can unlock an iPhone without a password in less than 10 minutes. This will erase all data and settings, including the lock screen password.
1. Download and Install this software.
2. Connect your iPhone to your computer. In UltFone iOS System Repair, select 'Factory Reset iPhone' from the top menu.