iPhone 4 Unlock

Reliable Instructions To Unlock iPhone 4 Devices

iPhone 4 Unlock

iPhone 4 4.2 Unlock – An Expert “how to” Guide To Follow

Unlocking a Smartphone largely depends on the IOS version. The smart phones have the capability of upgrading the IOS from time to time with the new releases like the iPhone 4 4.2 Unlock Untethered. Phones with the capability to handle new release versions of the IOS are facing a challenge because people are reluctant to upgrade because it is a bit difficult to unlock newer IOS versions. The iPhone 4 4.2 Unlock is the perfect Unlocker to do the trick for you, you don’t need to download any software or run any applications in your phone.

Why iPhone Users Decide To Unlock iPhone 4 with 4.2 firmware:

Unlocking a smart phone running on this iOS 4.2.2 is a simple task. With the development of iPhone 4 4.2 Unlock, it is now easy to access your unlock code without being scammed and losing your money to online fraudsters. Once you unlock your smart phone, you’ll open it up to endless benefits including doing away with roaming rates. You will also be able to access services from other network carriers, allowing you to choose a service provider with the best data and calling rates. If you frequently leave your home network, when visiting other countries, the roaming rates will be greatly reduced because you can switch to foreign networks and enjoy better rates while you are away so it is in your best interest to unlock your iPhone 4. Alternatively, there is now a new method to Unlock iPhone 4 with iOS 5.

Features of the iPhone 4 4.2 Unlock devices:

  • One of the most outstanding features of the iOS 4.2.2 is the multitasking ability; models running on this iOS are efficient at running multiple applications at the same instance and the operating software also supports the running of applications in the background for example Voice over IP, playing background music, running push notifications, switching between applications and task completion .This greatly saves battery life and ensures your smart phone stays on for longer.
  • The iPhone 4 and 4S have secondary cameras, designed for video conferencing (Face Time) over high speed internet connections. This is a major development in the telephony industry, because it allows users to communicate face to face using their mobile devices. The secondary cameras also come with an LED light enabling the user to capture images in dim light conditions.
  • The iOS provides enhanced chatting applications that integrate twitter and Facebook into the phone and makes the chat apps accessible with a single click. Sharing pictures and media has never been easier; one single click and your media are online.
  • Another key feature is the airplay functionality that comes with the iOS 4.2.2; this enables you to stream media from any iOS based system including Apple TV. The the air print functionality is also provides, enabling your iPhone to locate and wirelessly use network printers.
  • The ‘Find my iPhone’ app is also another new feature that enables users to trace their smart phones through another iOS 4.2.2 compatible device. This app is particularly appealing to users who constantly misplace their phones and especially to those with unlocked iPhone 4 devices
  • iPhones on the 4.2.2 have a considerably longer battery life, especially when access to wireless networks is turned off.
  • The operating system allows phones to achieve a wider retina display, which is the highest density of pixels achievable for the clearest image. Once you unlock your phone using the iPhone 4 4.2 Unlock you will have a wider access to applications that have been locked out by your service provider.

How to get started with iPhone 4 4.2 Unlocking:

iPhone 4 4.2 UnlockTo know whether your iPhone is locked to one service provider you simply need to swap your simcard for another service provider. If you are able to make and receive calls, the smart phone is already unlocked. There are two modes of payment either express payment where you pay and get your code sent within 5 minutes . Both payment packages are refundable, if we don’t get a code to unlock your iphone 4 4.2. We accept payment via PayPal, Visa andMasterCard which ensures that your transaction is secure.

The second step will involves sending your phone’s IMEI number. This is much more expensive than buying your own software to Jailbreak Unlock iPhone 4 4.2. Uyou can find you IMEI number in the ‘’about” screen, go to settings>General>>about and then navigate downwards until you see your IMEI number you can also find it in the packaging that originally came with your iPhone. Send that IMEI number to us and we will input it in the iPhone 4 4.2 Unlock software.

The best and easiest way to unlock your phone is to visit the only reliable and working solution: iPhone 4 4.2 Unlock Solution

iPhone 4 iOS 5 Unlock – The Safe Way

Several smart phone owners always contemplate going through the iPhone 4 iOS 5 unlock process, but few are not too sure about the outcome. There are several benefits to unlocking a phone, but before we go into that lets take a look at some of the features of the iphone 4.

iPhone 4 iOS 5 unlock- phone features

Before opting for the iPhone 4 iOS 5 unlock process, it is best to understand some of the features that come bundled up with the 4th generation iPhone. iPhone 4 is one of the best smart phones available in the market at the moment as well as it’s follower the iPhone 4S. Some of the features that come bundled up with the smart phone include:

  • An intelligent assistant known as siri- this helps the user to get things done. It allows the use of personalized voice executions on the phone. You can talk to the application like you would talk to any other person. For instance, it can be asked ‘where can I get any good burgers?’ or ‘where is the nearest ATM?’ Siri looks for the right applications to generate answers to these questions. The app can also make phone calls, schedule meetings, and set reminders among many other tasks.
  • The video recording application allows the user to shoot amazing 1080p HD photos, in any location. The phone has new optics that ensures that the color is vivid and the lighting is proper. It also has video stabilization that helps to achieve steady images when shaky shots are taken.

In addition to all its magnificent features, the iPhone 4 uses one of the most advanced operating systems (the iOS), found in the world. Unlocking the phone using the iPhone 4 iOS 5 unlock software opens up the device to endless possibilities.

Benefits of going through with the iPhone 4 iOS 5 unlock process

Some of the advantages you will get once you use unlock iPhone 4 iOS5 process include:

  • No service contracts- after the phone is unlocked, you will save on cost because there is no need to deal with data plan costs, international data packages ormonthly service charges. With unlocked phones, it is possible to use pre-paid GSM services or look for ideal short term plans. You can also select the service provider you want to work with.
  • No hacks- software hacks and gray market solutions were mostly used for the iPhone 4 Unlocking process, which was quite risky because it would most of the time interfere with the iPhone updates. Nowadays, you can enjoy the process without worrying about second class services.
  • A better deal for people who travel a lot- unlocking the phone is very convenient for people who travel from country to county without solid roaming plans, because they are able to use their phones seamlessly.
  •  iPhones gets set up on carriers that are not globally supported- this work best for people in countries that do not support the iPhone chosen networks, but would like to use the phones anyway. The unlocking procedure has allowed thousands of people all across the globe to use the phones, even when Apple does not sell it in the specific location.
  • iPhones are always on people’s minds- people are always looking forward to the next iphone model and this leads to the disposal of previous models. The sale of previous models is greatly enhanced for phones which  have gone through the iPhone 4 iOS 5 unlock process.

How to go through iPhone 4 iOS 5 unlock process

iPhone 4 Unlock iOS 5Most people who want to go through the iPhone 4 iOS 5 unlock process usually end up disappointed, because most of the codes available in the market simply do not work. This is due to the influx of black market codes. Try and avoid any services that are offered online for free , because most of the time they do not have any positive results.

There is however no need to worry about the unlocking process because  the solution is a very simplified processes. This site is one the best service providers when it comes to unlocking mobile phones. The site provides quality services ensuring that the unlock process is secure, easy and does not mess up with your warranty. The company sends simple and clear instructions when dealing with iPhone 4 iOS 5 unlock process, to make sure you do not encounter any problems.

iPhone 4 Unlock 4.3 – Best Step By Step Guide To Follow

If you are looking to perform an iPhone 4 Unlock 4.3, then there are some very important things you need to know first. Many iPhone 4 owners decide on unlocking their iPhone 4 without first really knowing what it means to jailbreak and unlock iPhone 4 4.3. Our hope is that this iPhone tutorial serves as a guide to make the process of unlocking as easy and simple as possible.

What are the reasons for an iPhone 4 Unlock 4.3 process?

There are a handful of reasons why iPhone 4 users decide to perform an unlocking process on their cell phone. Most users want to have an iPhone 4 carrier unlock in order to use their SIM card on a different network than the one it was locked to. Some manufacturers intentionally put a lock on the SIM card that can only be removed by an unlock code. Other manufacturers like Apple decide on locking the iPhone SIM card and NOT having the ability to be removed with an iPhone 4 Unlock Code. This is why there are nontraditional methods used to unlock the iPhone 4. Typically, this includes using software for an iPhone 4 4.3 Unlock. That is why there are about a dozen different jailbreak tools that have been used to hack iPhones in the past four years since the first 2G iPhone was released by Apple in 2007.

Can iPhone 4 be Unlocked?

iPhone 4 Unlock 4.3This question of the ability to Unlock iPhone 4 devices has been looming for some time now. This particular iPhone model is a little different than past 3G and 3GS iPhone models released by Apple. The firmware versions loaded from the factory start from the iOS4 version, all the way up to the 4.3 firmware. Also, the iPhone 4 uses basebands 01.59.00, 04.26.08, 05.11.07, 05.12.01, 05.13.04, and 06.15.00. None of the other iPhone models use these particular basebands or bootloader versions. With the right iPhone 4 Unlock 4.3 Solution, you can indeed unlock it. However, finding the right solution is a challenge unto itself which is why we save you the hassle of hunting around and wasting your money, and we can only recommend one solution that isn’t a gimmick or scam like all the other jailbreak websites. It is the only working and real solution for iPhone 4 Unlock 4.3 Software!

Using iPhone 4 Unlock 4.3 Ultrasn0w Unlock Process

As mentioned earlier, we strongly suggest to not use free software to unlock iPhone 4. However, for those of you willing to risk the integrity of your cell phone, here is a solid guide to free your locked iPhones for use on different iPhone GSM networks.

  • Step 1 – Jailbreaking your iPhone 4 is necessary in order to unlock it. So to jailbreak an iPhone 4, we will be downloading Sn0wbreeze 2.3b4 version. Downloads are available for both Windows and MAC computers. This will be a tethered jailbreak which means you will have to plug in your cell phone and jailbreak it every time the phone needs to restart for something.
  • Step 2 – After downloading the iPhone 4 jailbreak tool, you need to download iTunes latest software version and install it to your computer. You also need to download Apples regular 4.3 iPSW firmware file which will later be modified and turned into a custom firmware file specifically for your phone.
  • Step 3 – Open Sn0wbreeze and browse for the stock firmware file for iOS 4.3 and click the Next button to proceed with the jailbreaking process.
  • Step 4 – Now it’s time to build the custom IPSW file. We are doing this for the 4.3 version but you can also do this if you are looking for iPhone 4 Unlock 4.3.5. To do so, select “expert mode” inside of the jailbreaking software and click the “Build IPSW” button.
  • Step 5 – Enter your iPhone 4 into DFU mode by holding the “Power” and “Home” buttons on your iPhone screen. DFU mode is successful when you see “Running iReb…” on the jailbreak program window.
  • Step 6 – To finalize the jailbreak iPhone 4 process, you need to restore your iPhone to this modified iPhone firmware through iTunes. Hold the “shift” key on your keyboard and press the “restore” button in iTunes and you will be prompted to select the custom firmware 4.3 file that we have created.
  • Step 7 – After Jailbreaking, we now need to proceed an iPhone 4 Unlock 4.3 process to unlock it. Open the newly installed iPhone App called Cydia. Click the “Manage” tab and the “sources” section and you will see that Cydia prompts you to enter the “http://repo666.ultrasn0w.com” repo source into the phone. Wait while Cydia updates your phone. It could take a few minutes depending on your iPhone’s setup.
  • Step 8 – After this is done, search Cydia Apps for “ultrasn0w 1.2″ and proceed to install this application. The process of installing ultrasn0w unlock application is the actual process of iPhone 4 Unlock 4.3.
  • Step 9 – This process to unlock 4.3 iPhone 4 can take a few minutes. Please be patient while unlocking your iPhone 4.
  • Step 10 – Once unlocking iPhone 4 4.3 is complete, you will need to reboot and restart your device. Notice that the boot up procedure is changed and might even be quicker than normal. This is because it is loading the modified 4.3 firmware for the first time which will allow your SIM card to connect to any cellular GSM network.

Some people claim the ability to use iPhone 4 nck Unlock codes but this has never been possible on Apple iPhones, with the exception of a very small number of produced devices produced from Canada. Other than that, you must use software to iPhone 4 Unlock 4.3 correctly.

Software To Perform The iPhone 4 Unlock 4.3 Process Easier

This 10 step process of jailbreaking and unlocking iPhone 4 iOS 4.3 can be very difficult to activate iPhones, even when the iPhone Unlock guide is in the easiest form to follow. That is why software developers have come up with a much easier way to unlock the iPhone, regardless of its model or firmware versions. Removing the iPhone 4 simlock is not an easy process. We have tested the various iPhone 4 Unlock 4.3 tools that are on the market and we have only found one of them to be worth downloading and installing. Aside from the fact that it unlocked iPhone 4, 3GS, and 3G models, it was so much easier than any iPhone unlock blog has instructions for. Visit: iPhone 4 Unlock 4.3

iPhone 4 Unlock 4.1 – Risk Versus Reward of Unlocking

Are you interested in an iPhone 4 Unlock 4.1? If you are then you are definitely not alone. Ever since Apple released this updated 4.1 iOS firmware there have been a lot of iPhone users looking to unlock this latest version. While there is plenty of instructions online to unlock it, there is no shortage of confusion surrounding the best methods and techniques that one should follow for the process to actually work. This latest version from Apple has the clearest and brightest smart phone screen to date. Boasting 960 pixel by 640 pixel dimensions, the 800 to 1 contrast ratio makes this iPhone model the baddest mobile phone of the Apple family. With the amazingly fast new iPhone 4 hardware and processor, its no surprise that everyone wants to find the iPhone 4 Unlock 4.1.

iPhone 4 Unlock 4.1 on new baseband

Naturally, whenever new iOS firmware is released from Apple, thousands of users scour the web for updated iPhone jailbreak instructions in hopes of being able to install the new firmware. Most of these users are already using unlocked iPhones and want to enjoy the benefits of a software update that fixes bugs and adds new features to the iPhone 4. If you already have an iPhone 4 unlocked, then you must always be careful when syncing to iTunes because you will be asked to download and install the update. which can ruin an Unlock iPhone 4 4.1 02.14.10 already accomplished. The problem is that if you update your iPhone 4 firmware, then you lose any carrier unlock iPhone 4 that you previously had. You also lose any third party apps that you downloaded and installed after jailbreaking the iPhone. This tutorial covers how to unlock iPhone 4 on the new 4.1 firmware and baseband. Depending on your model, the jailbreaking software and steps for the iPhone 4 unlock process can be very different. For example, it is possible that you have to create custom firmware for your phone if it has an odd version number. Using TinyUmbrella for this procedure is the way to go. You might also be interested in only jailbreaking your iPhone and not unlocking it. That is also a whole different process and requires different step-by-step tutorial/guide to help the process go smoothly.

Steps For Using iPhone 4 Unlock 4.1 Redsn0w

Using Redsn0w 0.9.6b1 to jailbreak and unlock the iPhone 4 is not a suggested idea simply because of the fact that using any free iPhone unlock software, let alone a beta version of redsn0w, is risky at best. Instead, search the web for alternative paid versions of software for iPhone 4 Unlocking that are proven to automatically unlock it. The best unlock tool for this job is available here.iPhone 4 Unlock 4.1

If your iPhone is currently unlocked with ultrasn0w, then you can’t use redsn0w to unlock it because the baseband will be updated to the latest version.

  • Step 1: Download the iOS 4.1 .ipsw firmware from a reliable source. This is the firmware that redsn0w will modify for use on your iPhone 4. In case you are unaware, you need to jailbreak iphones before you can unlock them. There is no getting around that no matter what you read. Some fake websites sell iPhone 4 Unlock Codes but they are not real and have no relevancy. You have to jailbreak iPhone 4 if you want to iPhone 4 Unlock 4.1 it.
  • Step 2: Update your iTunes software to the latest version and plug your locked iPhone 4 into your computer PC and launch redsn0w to start the jailbreak process. Select the “install cydia” checkbox and click the “next” button. Make sure your iPhone 4 is off while plugged into your computer before clicking the Next button.
  • Step 3: Once redsn0w is finished jailbreaking iPhone 4, it will ask you to put the phone in DFU mode to finalize the process. To do this, hold the Power and Home buttons at the same time for 10 seconds and only release the Power button while still holding the Home button. Installation will then begin
  • Step 4: After you complete the iPhone 4 Jailbreak process, it is time to unlock it. To do so, open the newly installed Cydia jailbreak app and click Manage -> Sources -> Edit -> Add. Then you will be prompted to enter the ultrasn0w repo source which is http://repo666.ultrasn0w.com and click Add source. This is to install the iPhone 4 Unlock 4.1 software.
  • Step 5: You will be presented with some simple steps to follow on your iPhone screen. Once the iPhone 4 unlocking is done, you will notice a hard iPhone reset happen to finish the process.

For a much easier iPhone 4 unlock experience, you should use the all-in-one tool that we’ve recommended before. Not only is it able to jailbreak and unlock any iPhone, but you don’t need to know anything about the process to have an iPhone 4 Unlocked on 4.1.

Where To Download iPhone 4 Unlock 4.1

There are literally thousands of jailbreak websites that have software to hack iPhones, but the problem is that the software they use is often not compatible with your iPhone. Also, using their software will void your iPhone 4 warranty indefinitely. It’s advised to only use solutions from trusted sources who are not only familiar with iPhone 4 unlock procedures, but one’s that also do not have an agenda when recommending a certain solution for iPhone 4 Unlock 4.1. Half of the battle of unlocking an iPhone 4 is being able to use legit software that doesn’t require you to be a computer genius and doesn’t risk bricking the cell phone.

An unlocked iPhone has amazing potentials when it is put to its full use. Most iPhone owners will never know what they are missing. The ones that realize the opportunity are the ones that end up with an iPhone 4 Unlock 4.1 device!

iPhone 4 Unlock 2.10.4 – Best Methods To Accomplish It

If you are lucky enough to be the owner of the awesome Apple iPhone 4 device, then you are probably going to want to know how to iPhone 4 Unlock 2.10.4 in a safe manner. The process of unlocking iphones is very challenging unless you have the right knowledge and instructions on how to unlock iPhone 4. The features of using an iPhone that has gone through the process of being unlocked is quite surprising to most people. Many don’t know the capabilities that an unlocked device has until iPhone unlock forums and jailbreaking websites such as this explain the benefits of unlocked cell phones.

The greatest reason that owners choose to unlock their devices is probably the ability to choose their own cellular network provider, instead of being locked to only the original network that produced the Apple iPhone 4. These cellular companies have contracts with Apple and Steve Jobs so that the SIM cards in the phones will only connect to their specific GSM network signal. This obviously doesn’t sound fair, especially if you need to use your phone outside of the country that the service is in. Using worldwide SIM cards in your iPhone is only possible after unlocking it. However, finding a real solution for an iPhone 4 Unlock 2.10.4 is half the battle. The majority of iPhone 4 review websites that sell programs to unlock the iPhone are simply scams. They either sell outdated  Unlock iPhone 4 2.10.04 programs, or they repackage some of the unlock iPhone 4 free software download that you can find on iPhone 4 unlock forums. This is why we hope and suggest to use the only reliable solution that we have found for iPhone 4 Unlock 2.10.4. More on this solution at the end of this article!

Benefits of Having iPhone 4 Unlock 2.10.4

iPhone owners decide to jailbreak and unlock their iPhone 4s for many different reasons. We will cover the main benefits of having an unlocked iPhone 4 over a factory iPhone 4

  • Network Freedom: By unlocking the Sim card in your iPhone 4, you can therefore use it with any cellphone service provider that you need. Different companies have different data plans and prices so it obviously is a good thing to be able to choose among all of the mobile phone companies and not be locked into just one! Aside from getting a better price on monthly cell phone bills, some local networks might not offer unlimited data plans. For example, users who switch from AT&T to a company like T-mobile are able to take advantage of their competitive pricing and unlimited data plans that AT&T doesn’t even offer. iPhone 4 Unlock 2.10.4 also allows you to use dual iPhone Sim cards in the phone to have different calls from personal and business contacts. Business professionals who travel worldwide can have the ability to install any local countries SIM card into their iPhone 4 and not deal with huge roaming fee’s from their original service provider.
  • Install Free iPhone Apps: During the process of iPhone 4 Unlock 2.10.4, an application called Cydia is installed to your phone. Cydia is used to install thousands of free third party applications that you wont even find in the app store. Jailbreak apps are so much more useful than regular iPhone apps because they aren’t regulated by Apple and limited in their capabilities. They can take full advantage of unlocked 02.10.4 basebands and jailbroken iPhone 4 firmware. Some of these applications are even more popular then regular apps from the iPhone App Store.

iPhone 4 Unlock 2.10.4As you can clearly see, the jailbreak and unlock process has its huge benefits and you can understand why over one million iPhone 4 users have unlocked their phones.

Using Free Software For iPhone 4 Unlock 2.10.4

Since Apple first released the iPhone 1st Generation in 2007, the iPhone Dev Team has been hard at work producing free jailbreaking software for the iPhone 4 and other models. Here is a list of the most popular free programs for unlocking iPhone 4:

  • Limera1n – This is used for jailbreaking iPhone’s with popular basebands that are able to be unlocked with the PDF exploit. Jailbreaking with limera1n is a tethered jailbreak that only works for iPhone 3GS models
  • Redsn0w – The dev team’s most successful jailbreak tool is by far the redsn0w app. It is used to both jailbreak and iPhone 4 unlock baseband 2.10.4. Redsnow hasn’t been used however with newer models due to its high risk of disabling iPhones
  • Blackra1n – George Holtz created blackra1n and blacksn0w and was the first to answer the question of can you unlock iPhone 4. Blackra1n is only able to unlock Baseband 5.14.02 which is why it this jailbreak tool is not for updated iPhone models.
  • TinyUmbrella – This program is used to modify custom IPSW firmware files for your specific phone setup. Typically it is used in conjunction with Ultrasn0w 1.2.

Download iPhone 4 Unlock 2.10.4 Software Now

If you are ready to take the next step in unleashing the true power of your Apple iPhone 4, then the next step is to download the right solution for the iPhone 4 Unlock 2.10.4 process. Typically, the best way to accomplish this is spend hours and hours online browsing iPhone Unlock forums and various iPhone 4 unlocking websites. However, we can save you the hassle of ending up with the wrong solution by suggesting to use the same exact software that we have used to unlock a dozen different iPhone models and firmware versions. Visit iPhone 4 Unlock 2.10.4 today!

iPhone 4 Unlock 4.2.1 – What You Need To Know

Most iPhone owners are not aware that they can take their device to the next level by performing the process of iPhone 4 Unlock 4.2.1. After realizing the features and benefits of an unlocked iPhone 4, alot of people start looking for ways to achieve the unlocking process on their device. Unfortunately, if it were just that easy then anyone with an iPhone would automatically unlock it. The process of unlocking the iPhone 4 is not only risky, but can be quite nerve-racking as well. This is why it is very important to find a reliable source of information to make an iPhone 4 Unlock 4.2.1 procedure as painless as possible. We will cover the ins and outs of jailbreaking and unlocking iPhones so that you can make a very informed decision on what method and direction is best for you and your device.

Can You iPhone 4 Unlock 4.2.1?

The question of whether or not you can actually unlock iphone 4 iOS 4.2.1 is not really the main question to ask. Indeed you can unlock iOS 4.2.1 firmware on your iPhone 4 device, generally speaking. However, finding the right iphone 4 unlock 4.2.1 software is the hard part. Alot of programs from jailbreak websites claim to Unlock iPhone 4 4.2.1 Firmware but many fail to deliver. The reason that these unlock websites have such bad reputations is that the majority of them convince you to sign up to their membership website and they promise that you can iPhone 4 unlock 4.2.1 with their jailbreak tools but in reality you cannot. This is why it is so important to visit iphone unlock forums and get real reviews of iphone unlocking software.iPhone 4 Unlock 4.2.1

Steps To Accomplish an iPhone 4 Unlock 4.2.1

For the sake of this guide, we will be giving iPhone 4 unlock instructions by using a free iPhone 4 unlock program. Programs such as these are not recommended to use on newer iPhone 4 devices because the risks of bricking the device are way too high due to newer iPhone 4 firmware and baseband versions that have not been previously unlocked. When you update iOS 4.2.1 after upgrading iPhone 4 firmware, you must remember to never update again through an iTunes Sync. This is because it will automatically erase the custom firmware that the jailbreak and unlock process created in order to iPhone 4 Unlock 4.2.1.

  1. Step 1: The first step in turning your device into an Unlocked iPhone 4 on 4.2.1, is to download the latest iPhone 4 jailbreak tools. We strongly recommend you use the download link at the end of the article INSTEAD of using Greenpois0n RC5 for the untethered jailbreak process. Also be sure to download updated iTunes software to your computer. This is absolutely necessary in order to iPhone 4 Unlock 4.2.1.
  2. Step 2: Open iTunes download and plug your iPhone 4 into the USB port of your computer. Install and run the iPhone 4 4.2.1 unlock software as well.
  3. Step 3: iTunes will prompt you to update iPhone firmware to the latest version released by Apple. DO NOT UPDATE THIS. It will upgrade the baseband to an unlockable version.  Download and install TinyUmbrella to your desktop as well. Use TinyUmbrella to create the SHSH Blobs of your current iPhone 4 in order to unlock it. This process works to unlock an iPhone 4 on basebands 01.59.00, 2.10.04, 3.10.01 and 4.10.01. Click the “Start TSS Server” button inside the program and continue.
  4. Step 4: The next step for the process of iPhone 4.2.1 Unlock iPhone 4 is to Restore iPhone firmware with iTunes. Hold the “shift” key and click the “Restore” button inside of iTunes. This will properly update iOS 4.2.1 firmware to your iPhone 4 in order to jailbreak it.
  5. Step 5: Now you will need to open the Greenpois0n. Greenpois0n RC5 allows for an untethered jailbreak that doesn’t require the SHSH blobs we previously created, however they are good to have as a backup anyway. Click the “Jailbreak” button inside greenpoison and let the jailbreak process continue for a few minutes.
  6. Step 6: After jailbreaking of 4.2.1 firmware is complete, hold down the “Sleep” button for 2 seconds, and then hold “Home” button for 10 seconds, and then release the Sleep button and continue to hold the HOME button for 10 seconds. This will restart your iPhone 4 in DFU mode in order to jailbreak it and modify 4.2.1 firmware.
  7. Step 7: Your iPhone 4 is now successfully jailbroken on 4.2.1 firmware. The next step is for an iPhone 4 Unlock 4.2.1 process to begin. Now you will download, install, and run the ultrasn0w unlock application. Notice the new Cydia icon on your iPhone dashboard. The Cydia app is where you can now go to download third party apps that are only available through Cydia. This is also where you will download ultrasn0w to unlock the iPhone 4 4.2.1.
  8. Step 8: Open Cydia and select the “Manage” tab of the application, and then select the “sources” section. Next, click the Edit and Add buttons to add the source: http://repo666.ultrasn0w.com
  9. Step 9: This will automatically install ultrasn0w and perform the iPhone 4 Unlock process for the 4.2.1 firmware that we just jailbroke as well. The unlock process can take a few minutes so just be patient
  10. Step 10: The final step in unlocking an iPhone 4 is to perform a hard iPhone reset on the device in order to activate iPhone. This will boot up the phone for the first time with the modified 4.2.1 firmware. Once booted, your iPhone is now unlocked an able to use any Sim card for it’s phone service.

This lengthy process may seem hard, because it is! That is why we strongly recommend to try a verified and certified iPhone 4 Unlock 4.2.1 software solution that automagically unlocks any iPhone.

Get Started with an iPhone 4 Unlock 4.2.1

Using free iPhone 4 unlock software is not recommended by any responsible unlocking expert. If not for any reason other than the fact that you are gambling with your iPhone 4 device and run a high risk of having an iPhone 4 disabled. Only the geekiest of geeks can safely perform the process. That is why we hope you heed our advice and skip the risky business of unlocking iphones yourself and instead use the software that we have used on over a dozen phones to day. This unlock website sells the software for a very fair price and it is well worth it. Visit: iPhone 4 Unlock 4.2.1