Here are some ways to unlock your iPhone:

1. Open the process menu provided in your phone’s user guide and try one of the codes below to unlock your iPhone: 000000, 123456.
2. Go to iCloud website in the web browser, choose "Find iPhone" function from the dashboard, and iCloud will try to detect and locate the device. Wait for a minute, and when the scanning is finished, you can access "All Devices" to select the detected locked iPhone.
3. Select the model of your mobile device, choose your country, select your company, enter your IMEI number, and click on “Unlock Now”.
4. Go to icloud.com on your computer or another device, sign in with your Apple ID and password, click on "Find iPhone", click on "All Devices" and then select the iPhone you want to unlock, click on "Erase iPhone" and then confirm your selection.

You can also follow these steps to unlock your iPhone without password using iPhone Unlocker:
1. Launch Aiseesoft iPhone Unlocker.
2. Connect your iPhone to computer with a USB cable.
3. Click the Start button to start the passcode-wiping process.
4. Then, connect your iPhone to the computer with a USB cable.

You can also use Find My IPhone:
1. Visit icloud.com and log in to your Apple ID with your credentials.
2. Choose the option Find iPhone.
3. Then, click on All Devices and you will see the listed devices. Just choose the model of your iPhone that you want to unlock.

If you forgot your passcode:
1. Locate your iPhone in Finder or iTunes on the computer that it’s connected to.
2. Choose Restore when you see the option to Restore or Update.
3. Your computer downloads software for your iPhone and begins the restore process.