How can I unlock apple iPhone 4

Unlock your apple iphone 4 and use any other carriers sim card
To unlock your apple iphone to use any sim card, you need to get the unlocked confirmation from apple by using any unlock code service provider.After getting the unlock confirmation you need to use i-tune to unlock it
here is the direct link of service provider to get the unlocked confirmation
How to unlock iPhone Factory Unlock iPhone

After getting the unlock confirmation you need to use i-tune to unlock it as below:-
How to Unlock the Apple iPhone 6 after getting the confirmation as Unlocked -

-Install the last version of iTunes on your computer.
-Make sure your iPhone 6 is updated with the lastest version of iOS.
-Switch ON your iPhone 6 with a SIM Card from a non-compatible network.
-Connect your iPhone 6 to your computer using the Original USB Cable.
-Launch iTunes andwait until iTunes detect your iPhone 6.
-Now disconnect your iPhone 6sand reconnect it after 10 seconds.
-Your iPhone 6 is now Unlocked!

Note:-In the unlikely event that your iPhone 6s is not unlocked, please restore your device following the official guideline from Apple - https://support.apple.com/en-us/HT201252

You can use Remote Unlock service to Unlock I-phone 4...Visit the site
Prounlocking.com/apple-iphone-4/rs8wp9/ get remote unlock service and unlock it easily...

You can get the Remote Unlock service at here Wickedunlock.com/apple-iphone-4/rs11wp9/ and unlock iphone 4....

Using the remote unlocking method you can unlock your mobile because its safe for your mobile.......
Get the unlock process for your apple iphone mobile from this site Mobileunlocksolutions.com , here it gives the easy methods to get the mobile unlocked........

Please understand that an iPhone cannot be unlocked using a simple unlock code. Not all iPhones can be unlocked at all depending on your model number. People are able to unlock certain iPhones by connecting it to your computer and unlocking it using software that you have to download. This can get to be complicated.
Do not be fooled, there is absolutely no unlock codes for any iPhone 2g, 3g, 3gs, 4 and 4s, they have NO unlock code.
Good luck!EJ Kudelka

you can unlock the I-Phone 4 using the remote unlock service,You can get the remote unlock service from the site Mobile-unlocker.com and unlock it step by step.

You can unlock the I-Phone easily using the remote unlock service,You can get the remote unlock service for the I-Phone from here
Unlocking4u.com/apple-iphone/rs6wp9/
and Unlock it,Follow the instructions below to unlock it step by step...

Apple iPhone Unlocking Instructions Warning : Do not enter any wrong unlock codes on your Apple iPhone mobile phones. If you enter over a certain amount of wrong unlock codes on your Apple iPhone mobile phone, your phone may get hard locked and sometimes become unusable.
1. Wait for us to send you an email saying your phone has been activated or remotely unlocked.
2. Install the latest version of iTunes.
3. Make sure your Apple iPhone phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone.
6. Disconnect your Apple iPhone and reconnect it after 10 seconds.
7. Your Apple iPhone is now unlocked.

*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Apple iPhone is locked to.

You should be very careful, while trying to unlock your Iphone. Always go for a trusted vendor or website or application to do that. I have unlocked and jailbreaked my iphone 4 from Jailbreak Unlocker Pro. It worked well without any trouble.Try this. This is the most safest way to unlock or jailbreak your iphone.The service is great and price is very low....

When it comes to unlocking Iphones, Remote unlocking is the best method to be followed or used. . you can unlock your phone instantly within few minutes. This site offers Theunlockspot.com remote unlock for the iPhone. here are the instructions to follow while unlocking the iphone. Do not enter wrong unlock codes into your Apple iPhone 4 mobile phones. If you enter more than a certain number of unlock codes on your Apple iPhone evil 4 mobile phone, the phone may have an ******** locked, and can sometimes be used. 1. Allow us to send you an email saying that your phone has been activated or unlocked remotely. 2. Install the latest version of iTunes. 3. Make sure your iPhone 4 phone software is updated to the latest version using the iTunes software. 4. Connect your iPhone 4 Apple iTunes with a SIM card not accepted. 5. Wait until iTunes detects the iPhone 4. 6. 4 Disconnect the iPhone and reconnect after 10 seconds. 7. 4 Apple iPhone is unlocked.

When it comes to unlocking Iphones, Remote unlocking is the best method to be followed or used. . you can unlock your phone instantly within few minutes. This site offers Theunlockarena.com remote unlock for the iPhone. here are the instructions to follow while unlocking the iphone. Do not enter wrong unlock codes into your Apple iPhone 4 mobile phones. If you enter more than a certain number of unlock codes on your Apple iPhone evil 4 mobile phone, the phone may have an ******** locked, and can sometimes be used. 1. Allow us to send you an email saying that your phone has been activated or unlocked remotely. 2. Install the latest version of iTunes. 3. Make sure your iPhone 4 phone software is updated to the latest version using the iTunes software. 4. Connect your iPhone 4 Apple iTunes with a SIM card not accepted. 5. Wait until iTunes detects the iPhone 4. 6. 4 Disconnect the iPhone and reconnect after 10 seconds. 7. 4 Apple iPhone is unlocked.