Iphone unlock code - Apple iPhone 3G

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

Unlock code generator doesn't provide exact unlock code. Don't brick your iPhone 5 by unlocking through unsafe generators.
The safest and easiest way to unlock an iPhone 5 is to unlock using remote unlocking service. You can get the remote unlocking service for an iPhone 5 from www.ProUnlocking.com at affordable cost with easy unlocking guide. This is a permanent unlocking method and doesn't require a jailbreak too. Good luck.

You can't get a free unlock code for iPhone 3G. Most of the times free codes are wrong and if you enter over a certain number of wrong codes. Your iPhone may become hard locked and unusable. Instead you can try with any affordable paid site. For example you can try with www.Wickedunlock.com . Here you can unlock your iPhone through the most safest method called Remote unlocking method. This is also the most affordable method to get your mobile unlocked. Unlocking process is very very simple. Here are the steps for unlocking an iPhone 3G,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 3G phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone 3G to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone 3G.
6. Disconnect your Apple iPhone 3G and reconnect it after 10 seconds.
7. Your Apple iPhone 3G is now unlocked.

To unlock I-Phone 4 get the Remote Unlocking service from here Unlocking4u.com/apple-iphone-4/rs6wp9/ and Unlock it.

What code do you want?? do you want unlock code for your iphone 4 to unlock it from network?? if so unlocking via remote unlocking method will be safe .try superunlockcodes to get your iphone 4 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.

Find your solution from the list,
Apple Iphone Smartphone
Codes:

• Unlock Code,
• Password,
• Puk Code,
• Lock Code,
• Other Codes.

Software & Hardware Problems

• Software Problems (Hang, Youtube etc.)
• Hardware Problems (Display, Charging etc.)

Find Your Solutions for other Apple Products:
Apple Iphone 3G
Apple iPod Touch Digital Media Player

with putting unlock code in, mostaly provider wil give you unlocking code after one year for free by giving from your imei number , you wil get imei with pressing *#06# or under battery compartment it displayd

here is some helpful links and step by step guides to downgrade firmware

http://iphone.fiveforty.net/wiki/index.php/Downgrade_from_1.1.1_to_1.0.2

http://iphone.unlock.no/#recovery-restore-mode