Friday, December 30, 2011

Why jailbreak an iPhone 3G iOS 4.2.1? - Technology - Cell Phones

"Why Jailbrek an iPhone 3G iOS 4.2.1 if it already got Apple's AppStore to download applications?" - This is a question frequently seen by me on Internet forums and blogs. So, I thought it'll be good to write a post answer to all questions about jailbreak. First, let me explain the question about "iPhone Jailbreak".The term "jailbreak" means the process of hacking the firmware of mobile devices to open the full access to its file system. In brief, iPhone jailbreak means you are allowed to install 3rd party applications on iPhone. This applies to all version of firmwares. And, for unlocking iPhone, it refers to the process to open up your iPhone to accept all carriers. Unlocked iPhone allows you to use SIM card from all carriers. You are no longer bind to the official carrier (e.g. AT&T) approved by Apple.So, with the introduction of iPhone AppStore, why do we still need to jailbreak? For this question, I have thought of some reasons to jailbreak iPhone 3G iOS 4.2.1. So, le t see:

Full control of your iPhone 3G iOS 4.2.1This may not be the reason for non-tech iPhone 3G iOS 4.2.1 user. But for geeks, this may be why you need to jailbreak the iPhone 3G iOS 4.2.1. As you may know, the inner part of iPhone is a trim-down version of Mac OS X, which is actually a Unix core. So, you may wonder whether you can install some Unix applications such as Apache web server, on the iPhone 3G iOS 4.2.1. The answer is yes. With iPhone 3G iOS 4.2.1 jailbreak, you can install a lightweight version of HTTP server and other similiar servers. And, one server that most Jailbreak iPhone users are using is a SSH daemon. With SSH, you can connect to iPhone 3G iOS 4.2.1 remotely and transfer any file to/from it. Pretty cool, right? You can further refer to this post about how you can use SSH to transfer ringtone to the iPhone.

Changing iPhone 3G iOS 4.2.1 Looks & FeelAre you bored with the standard icons that come with iPhone? Ever think of changing the look of iPhone? With jailbreak iPhone 3G iOS 4.2.1, you can use Winterboard to apply theme on iPhone and make it look even cooler.

Install 3rd party applications via Cydia and InstallerThe introduction of AppStore in iPhone 3G iOS 4.2.1 is the best feature for this firmware update, I have to admit. But even with thousands of applications available on AppStore, there are some other great applications, such as Netshare, banned by Apple to hit the Appstore for certain reasons. And this is the place where Cydia and Installer comes in and let you download all 3rd party applications. Some of the great applications you can find on Cydia are: Cycorder / Video Recorder - Capture video on iPhone 3G iOS 4.2.1 MxTube - Download and save YouTube video on iPhone 3G iOS 4.2.1 MyWi - Turns phones into mobile hotspots iAcces - Let you use all kinds of Chinese Input Method NemusSync - Sync iPhone 3G iOS 4.2.1 calendar with Google Calendar Mame4iPhone - Play arcade game on iPhone 3G iOS 4.2.1 Intelliscreen - Puts e-mail and calendars on the home screen iPhoneModem - Let you use iPhone as modem and give your laptop conne ction to Internet via iPhone My3G - Allows for previously Wi-Fi-only processes to run on 3G, like HD YouTube videos PDANet - Share Internet connection

Video RecordingCompared iPhone with any other mobile phone in the market, there is one area iPhone would definitely lose - Video Recording. With jailbreak iPhone 3G iOS 4.2.1, however, you can easily turn the iPhone camera into video camera for video recording by using Cycorder or iPhone Video Recorder.

Unlock iPhone 3G iOS 4.2.1Lastly, the most common reason for jailbreaking iPhone 3G iOS 4.2.1 is for unlock. This is one of the mandatory steps you need to through before you can unlock iPhone.

Hope this post can answer all your questions about jailbreak and help you consider whether jailbreaking is for you. If you have already made up your mind, you can Jailbreak your iPhone 3G iOS 4.2.1 right now.

To Jailbreak your iPhone Click here


  1. Iphone increase its valuation with jailbreak application and its services. It specially make good security system in device. Sound make it well and protective to better performance.
    jailbreak iphone 4

  2. Nice article . There are a lot of techniques available to unlock iphone 3g :
    1. By using unlocking software like cydia
    2. Imei unlocking method
    3. To unlock iphone from service provider
    4. By using Remote unlocking service which is available at