Because of Apple’s newly updated firmware release, users of locked iPhone 4S devices are scrambing to find out how to unlock iPhone 4S 5.1. The benefit is rewarding in that you will not be tied down anymore to one network carrier. One is able to have the freedom to choose the cheaper, convenient or more efficient service provider of their choice, rather than that chosen for them by Apple. Though unlocking the iPhone 4S 5.1 may sound geeky and nerdy, it is not a rocket science. iPhone 4S Unlocking can be divided into two broad categories namely; Hardware based and Software based methods to modify iPhone 4S firmware safely.
How to Unlock iPhone 4S 5.1 Using UltraSn0w
One can unlock an iPhone 4S 5.1 using the UltraSn0w program, a utility developed by the iPhone Dev Team to unlock the iPhone 4S on iOS 5.1.and requires an uncomplicated process of installation. However, the utility is limited to only the following basebands:
- 01.59.00
- 04.26.08
- 05.11.07
- 05.13.01
- 05.12.01
- 06.15.00
- 04.11.08
One will need to perform a jailbreak which can be at this point can achieved at a tethered level meaning, every time the iPhone user switches it off, they have to connect it back to the computer and boot it back to the jail broken state.
- Jailbreak the device using Redsn0w or Sn0wbreeze utilities.
- After the jailbreak has been performed, launch the newly installed application called ‘Cydia’ present on your phone’s Springboard.
- Add the following address to the pop up alert; http//repo666.ultrasn0w.com and then select add source.
- After Cydia has added and refreshed the packages, tap on its default Repo and install the Ultrasn0w utility.
- Alternatively, you can unlock iPhone 4 on 5.1 firmware using ultrasn0w.
How to unlock iPhone 4S 5.1 Using Gevey SIM
- 1. Download and install the jailbreak utility called Redsn0w and install it on your PC.
2. Connect your unlocked iPhone 4S to your computer via USB and open the Redsn0w utility
3. Click on ‘Extras’ and select ‘Custom IPSW’ button to allow you create a pre jail broken custom firmware. This will start creating your custom iOS 5.1 ispw firmware. - 4. Next, select the ‘Pwned DFU’ option on the screen.
- 5. In the following step make sure the iPhone is turned off and at the same time plugged in to the computer. Now enter the ‘DFU’ mode.
- 6. Once in DFU mode, open iTunes and restore the device to the custom iOS 5.1 ipsw that was created earlier. The name of the file begins with NO_BB.
- 7. That is how to unlock an iPhone 4S with 5.1 firmware using the Gevey SIM.
How to unlock iPhone 4S 5.1 for free without software or jailbreaking
Software unlocking methods do not rely on the SIM card slot unlike the hardware unlock and SIM unlock. Apple has restricted the software not to accept connections by other carriers. You only have to disable the restriction to enjoy the use of any network service provider of your choice. Here is a choice of neither of the above two. It is
- Insert the original network provider AT&T SIM card
- Dial 611 the AT&T customer service number and then drop the call
- Turn on your iPhone 4S 5.1 to Airplane Mode
- Take out the AT&T SIM card
- Insert a new carrier’s SIM card
- Make sure WiFi is off and tap on ‘Forget this Network’ to ensure no automatic reconnection.
- Switch off Airplane Mode let the iPhone search for a network.
- The Apple splash screen appearing follows this. The message ‘Activation Required’ is shown to you.
- EDGE network will activate automatically
- After this, wait for about 20-30 seconds then switch off the iPhone.
- Turn on the iPhone and the same Activation Required screen will come on.
- When you get just one signal bar, tap on ‘Use Cellular Connection’ and eject the SIM card.
- The Same ‘Activation Required’ message will appear for the second time.
- Insert the SIM card and the iPhone will be unlocked.
How to unlock iPhone 4S 5.1 Safely and Easily
Having to unlock iPhone 4S 5.1 is not possible without jail breaking the iPhone first. By jailbreaking the initializing software instructions, restricting and locking the device are removed. Most of the available software are so complicated and have complex instructions that should have been incorporated into the software in the first place. It involves some easy to follow steps that should be followed very strictly. Failure to do so may render your iPhone 4 Unlocked permanently unusable. The use of simple computer software to achieve this is of utmost importance. Reducing the complexities that are passed on to the end user is vital. This software offers all of the features that would be pleasing to an end user. Notwithstanding the baseline or the firmware your iPhone is using, the software will simply guide you through the process to unlock iPhone 4S 5.1 within a few minutes.

Most of us are aware of the numerous benefits that come with unlocking your iPhone device. The most obvious advantage is that one will be able to use his or her iPhone with other cellular networks. Another benefit of learning to how to unlock iPhone 4s devices is that you will be able to download and manage numerous applications that one was previously not allowed to use. One can even choose any theme they want for their device. Having the freedom to use any SIM card on your iPhone device is certainly a big advantage. One can move to the most convenient and reasonable network carrier. It is also possible to choose data plan and call packages ideal for you. For people who travel outside their countries, they can use international SIM cards. Indeed, the advantages of learning to Unlock iPhone 4s Baseband 1.0.11 are plenty.
Majority of individuals who desire to unlock their 4S phone often involve scammers, who take them for a long ride. These cases happen on a daily basis thus there is need for one to be very cautious. Nevertheless, genuine software can enable one to successfully
This method is both risky to your iPhone and unethical. Cutting the SIM card to fit a customized tray different from the original could cause havoc to the hardware. Dialing of 112, which is an emergency number, in several countries for such a purpose is no doubt unethical and uncivilized. To unlock iPhone 4S 5.0 by altering, addition or omission of any part of the original hardware components is simply not recommended.
Jailbreaking and Unlocking teams developing jailbreaking and unlocking tools and software come up with these solutions to discover the various possibilities. In the past, Apple was against these teams and referred their activities as illegal but once jailbreaking and unlocking is declared to be legal, the company started to approach the jailbreaking prospect on a different standpoint. Apple now uses the hacking to identify the security flaws and loopholes to try and improve on their devices. To unlock iPhone 4S 1.0.14, methods available on the internet exploit the hardware and software.
There several ways one can use on devices. In general, the majority of iPhone users who wish to unlock their devices with an
The process of jailbreaking and unlocking sounds illegal but actually, it is not. The Digital Millennium Copyright Act in the United States clarified this issue. In fact, even the manufacturers of iPhone Apple have confirmed it is not illegal but they say doing so will void the iPhone’s warranty. The process of jailbreaking and unlocking is mostly safe. The main reason why Apple discourages its customers from trying to Unlock iPhone 4S is that doing so will potentially limit their profits. Another reason iPhone has placed network blocks and has one official cellular network is in order to keep the high value and exclusivity of the device. So in short, the reasons Apple does not want you to iPhone 4S unlock are purely business related. Properly jailbreaking and unlocking your iPhone device does not harm the iPhone. The process is safe, legal and will increase the function of the device. However, before one can continue with the process of jailbreaking, they need to be aware of a few things.