The SIM locked iPhones sold by Apple can’t be used with another network operator and to avoid this hassle, you have to Jailbreak iPhone 4S. The SIM contracts are mandatory if you want to purchase affordable iPhone 4S. Otherwise, you have to pay double the price to get factory Jailbreaked iPhone 4S. With the launch of iPhone 4S and possible work on iPhone 5, you can’t expect Apple to continue to sell Jailbreaked iPhones. Moreover, it is extremely cost effective to purchase iPhone from network operators and then use an Jailbreaking solution to Jailbreak it. Jailbreaking iPhone 4S is essential if you are planning to send it as a gift to your loved ones in another country.
Many iPhone users are confused by the terms jailbreaking and Jailbreaking. Jailbreaking typically frees iPhone from Apple’s restrictions and checks. The exploits in the iOS kernels are used in jailbreaking the device. Jailbreaking enables you to use your iPhone with any network operator in any country. Apple’s software based SIM lock is disabled when you Jailbreak iPhone. As Apple continues to push firmware updates to fix security issues and to enhance user experience, it is only natural if you want to stay updated on the current firmware and baseband. If you rely on free Jailbreaking iPhone 4S, you may not get a chance to experience latest firmware at all.
Firmware typically represents the iOS version and baseband is used by carrier providers to provide network services. Not all firmware updates result in baseband upgrade. However, sometimes, Apple signs newer baseband with latest firmware and to install newer firmware, you have to upgrade baseband. Jailbreaking works on hacking firmware while Jailbreaking relies entirely on baseband. If you use free Jailbreaking methods for Jailbreaking iPhone 4S, you won’t often get a chance to Jailbreak latest baseband because the free methods are not updated regularly. You can however go through a difficult path to upgrade firmware without upgrading baseband and then use the free Jailbreaking method.
For Jailbreaking iPhone 4S using software, you have to jailbreak the device first. Jailbreaking will use the iOS exploits to open up the iOS firmware so that jailbreak can be injected. It is not possible to remotely jailbreak the device and so, you have to use a reliable software to jailbreak iPhone first. When you jailbreak your iPhone 4S, you will automatically void the warranty and you can’t restore it to factory status. So, there is no need to put off from jailbreaking iPhone 4S because once jailbroken, you can install third party apps and tweaks. Despite the many advantages of jailbreaking iPhone, some users still prefer not to jailbreak iPhone 4S for Jailbreaking purpose. In that case, you may look for iPhone 4S jailbreak solution that doesn’t require jailbreaking.
If you are determined that you want to jailbreak your iPhone on latest firmware, you should look for a solution that provides guaranteed jailbreak. Experts recommend using automatic software that ensures that your iPhone is jailbroken and jailbreaked on latest firmware and baseband. Once you use third party software to jailbreak your phone, you can always update to latest firmware and baseband as automatic software is upgraded constantly to jailbreak newer basebands and firmware. That is why we recommend this site for jailbreaking.
Ultrasn0w is a free Jailbreaking software that is now updated to Jailbreaking an iPhone 4S on iOS 5.1.1 firmware. However, Ultrasn0w still has baseband limitations as it can Jailbreak 01.59.00, 04.26.08, 05.11.07, 05.13.01, 05.12.01 and 06.15.00. If you don’t have one of the supported basebands, you can try downgrading the baseband, which is extremely risky. Many iPhone 4S users flash iPad baseband on their iPhone for Jailbreaking purpose. When it is done, there is no going back and every firmware upgrade should be applied with extreme caution. Moreover, loss of functionality can’t be avoided when iPad baseband is installed on iPhone 4S.
Before jumping on iOS 5.1.1 firmware for Jailbreaking iPhone 4S, you should first understand that you need to preserve your baseband while updating to iOS 5.1.1. Mac and Windows users can use Redsn0w to upgrade to iOS 5.1.1 without upgrading baseband.
After Jailbreaking, you should be able to use unsupported SIM card with your iPhone. The crucial step to remember while using Ultrasn0w is updating firmware without upgrading baseband. If you don’t take measures to preserve baseband during firmware upgrade, then you won’t be able to downgrade baseband. Apple has stopped signing older baseband with new firmware and so, you will be stuck with Jailbreakable baseband if you are not careful during the first step. There is on update on whether Ultrasn0w will support newer basebands and so, Ultrasn0w users should better start looking for a reliable alternative.
The iOS firmware is full of exploits and the iPhone dev team only divulge the exploits used in their jailbreaking and Jailbreaking tools. On iPhone 4S, it is possible use an exploit to jailbreak the device on AT&T without jailbreaking or SIM interposer kits. This exploit based jailbreak is very similar to a parlor trick and it can’t be guaranteed that it will work every time.
Previously with the 2nd generation iPhone, a developer has revealed an exploit based jailbreak to jailbreak iPhone 4S, 4 and 4S on AT&T. Before beginning Jailbreaking steps, cut out your T Mobile SIM card so that it can fit inside micro SIM tray.
In order to use iPhone 4S with other network operators, you can either go through painful steps or download automatic software that provides painless Jailbreaking and jailbreaking. Software Jailbreaking requires jailbreaking iOS 5.1.1 so that Jailbreak exploit can be used later. The automatic software automatically jailbreaks and Jailbreaks iPhone 4S with minimal user intervention. To Jailbreak iPhone 4S, simply connect your iPhone to your computer, launch the automatic software and wait for five to ten minutes to jailbreak and Jailbreak your device in one go.