When you purchase iPhone 4 with carrier contract, you are usually stuck with the carrier for at least a couple of years. If you are already a loyal customer of the carrier, you don't have to worry about anything. However, you have to put up with expensive data plans and roaming fees with the carrier that came with iPhone. When you unlock iPhone 4 however, you can get the opportunity to use prepaid or postpaid plans depending on your choice. You can even carry your iPhone to international countries and enjoy local calling rates offered by the local providers.
Why unlock iPhone 4 methods are popular?
The main reason for popularity of unlock iPhone 4 is the freedom from network carriers. Buying factory unlocked iPhone 4 is very expensive and no one wants to spend about $1000 for a smart phone, even though the supposed smart phone is the latest iPhone 4. You can buy locked iPhone and then unlock it so that you can insert any SIM card on the go. You will be able to choose voice and data plans of your choice and even enjoy tethering iPhone with computer for internet access using jailbreak tweaks. Unlocking simply allows you to use any carrier SIM even though the phone originally was not sold with the carrier SIM.
Unlock iPhone 4 after jailbreaking
Jailbreaking iPhone 4 allows you to use third party applications and tools that are not generally available through the App store. More and more iPhone users are interested in jailbreaking their phones due to the availability of interesting jailbreak apps and tweaks. Ultrasn0w unlocking method to unlock iPhone 4 on iOS 5.1 and older versions requires that you jailbreak iPhone first. You can use Redsn0w or Sn0wbreeze to unlock your iPhone, but make sure that you preserve baseband during jailbreak. Then, after installing Cydia app store, download Ultrasn0w repo and install the package. Once Ultrasn0w is installed, your iPhone will be unlocked immediately. You can use the unlocked iPhone 4 as long as you resist the temptation to upgrade to another new iOS version.
Does Gevey SIM helps in Unlock iPhone 4?
Gevey SIM unlocking method is one of the controversial methods to unlock iPhone 4. Typically, you have to purchase the Gevey SIM unlocking kit and follow the procedure specified in the kit which involves dialing 112 which is an emergency dialing number in certain countries. It is certainly unethical to use this unlocking method even though emergency dialing doesn’t necessarily have to connect. Muscle Nerd of iPhone Dev Team has declared that this method is illegal and very questionable.
Does IMEI unlock iPhone 4 work?
A new and popular method of permanent unlock iPhone 4 claims that it can unlock iPhone permanently by providing unlocking code corresponding to IMEI number of the iPhone. It is highly unsafe to give away the IMEI number of your iPhone because many hackers can remotely access your iPhone if they know the IMEI numbers. The companies selling unlocking codes claim that they can unlock the iPhone immediately as they fetch the unlocking codes from Apple’s database. No one knows how they retrieve these unlocking codes and you may have to use this unlocking method with precaution.
Points to remember during unlock iPhone 4
Software methods for unlocking iPhones are generally considered safe. If you prefer to go the software route, you have to remember that Ultrasn0w unlocking is restricted and only certain firmware are supported. So, before you attempt to use unlock iPhone 4, make sure that it has the supported baseband version. There are companies that sell unlocking software for unlocking iPhone on any iOS version with the push of a button. Always, make sure that you download appropriate software from a reliable website so that your phone doesn’t get bricked.
