How to unlock this iphone 4 without using a cimputer?

How do i unlock this iphone 4 without using a cimputer?

Go to the apple store

Go to the Apple Store and get it unlocked.

Unlocking an iphone needs has a prerequisite, as long as you are doing it the legal way.;)

Follow th steps below:
1.call your carrier and request them to unlock you iphone from their system
2. Once they confirm that they have unlocked it from their end. You can unlock your iPhone by going to settings> genral > reset> erase all content and settings

NOTE: this would delete all your data on the iPhone, so you might want to do a backup. Now if you want to do a backup without computer you can do it through iCloud, but you need a Wi-Fi internet connection for that.

This should help: http://support.apple.com/.../kb/HT5014

Do you want to remove sim lock from your iPhone 4? If yes, get Remote unlocking service from any of the online service providers like http://www.onlinegsmunlock.com/apple-iphone-4/rs16wp9/ to unlock it. It doesn't requires jailbreaking. It provides permanent unlocking solution to your iPhone 4. That means, if you upgrade/update your ios firmware, it won't gets locked again.

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