Jailbreaking allows iPhone, iPad, and iPod Touch users to run unauthorized third-party software and customize their devices beyond Apple's limitations. The jailbreaking process involves unlocking the operating system to grant root access. Once jailbroken, users can download apps from Cydia and modify features like installing WiFi hotspots, using FaceTime over cellular networks, blocking calls and texts, and customizing home screens and lock screens. While jailbreaking is legal in the US, it voids the device warranty and carries small risks like potential lag, viruses, or incompatible apps.

1. Jail breaking
By
R.Jaganadha reddy

2.  Jail breaking is a process that allows
iPhone,iPad and iPod touch users to
run third party on their devices by
unlocking the operating system and
allowing user root access

3.  Once jail broken,iPhone users are
able to download many extensions
and themes previously unavailable
throw app store via unofficial installer
such as cyadia

4. Cydia is a software application for iOS
that lets a user browse and download
applications for a jailbroken iPhone,
iPod Touch or iPad. It was developed
by FreemanJay. he estimates that
over 10% of all iPhones are jail
broken

5. iPhone Dev Team

The iPhone Dev Team is a group of
engineers in the iOS community who
have developed many jailbreaking
and unlocking applications not
authorized by Apple Inc for the
iPhone, iPod Touch and iPad devices,
with the ability to sidestep the
limitations placed on devices by the
manufacturer.

6. How to jail break
 1: Load Firmware in RedSnow Click
on the "Extras" button in the interface
to enter the Extras screen. Then click
"Select IPSW" in the Extras window to
load iOS5 firmware file.

7.  When you see the Succesfully
identified prompt, you can then click
"OK" to close the prompt and return
to Extras screen. After that you
should click the "Back" option to
return the main interface.

8.  Step 2: Install Cydia Click the
"Jailbreak" button to install Cydia. If
it is the first time to jailbreak iPhone
or iPad, you can simply check the first
"Install Cydia (install Cydia)" option.

9.  For iPad touch user, you can also tick
the third "Enable battery percentage
(on percentage of electricity)" option.
After that, you should then click
"Next" to the next step, which gives
you some tips for jailbreaking iOS 5.

10.  Step 3: Enter UDF Mode to Start
Jailbreaking Click the Next option in
the prompt interface, and then press
the Home and Power buttons
according to the prompts.

11. Benefits of Jailbreaking
iPhone4

12. 1. Wi-Fi Hotspot :
 Wi-Fi Hotspot Using the iPhone as a
Wi-Fi hotspot is still the number one
reason to jailbreak the iPhone. MyWi
is the app to get it. There's a new
version of MyWi for the iPhone 4 OS,
which you'll need to grab from Cydia.
The app is called, simply, MyWi 4.0.

13. 2. FaceTime (and More!) over
3G :

2. FaceTime (and More!) over 3G
Another paid app worth checking out
is My3G. This jailbreak app lets you
do more things over 3G than you can
on an un-jailbroken phone,which
Apple restricts to Wi-Fi only. My3G
users can also download TV shows
and podcasts from iTunes over 3G

14. 3. Unlocking the Phone :
 Unlocking is not the same thing as
jailbreaking. Jailbreaking allows you
to install unapproved third party
applications on your iPhone, but
unlocking allows you to run the
iPhone on a different carrier than its
default.

15. 4. Block Calls and Texts :
 4. Block Calls and Texts Want to
block calls, SMS or MMS messages
from someone? The iBlacklist app
makes that possible. Now iPhone
4/iOS 4 compatible, the app lets you
select who to block and also offers
parental controls for outgoing calls.

16.
 Although iOS 4 allows for homescreen
backgrounds, Winterboard lets you
customize even more options, like the
battery indicator and the icons on the
lock screen. Other apps,
like LockInfo, for example, let you
customize your phone's lockscreen to
provide info like email time etc.

17.  Jailbreaking an iPod or iPhone in the
United States is legal and does not
violate copyright laws defined by
the Digital Millennium Copyright Act.
While the U.S. Copyright Office has
declared the software legal, Apple
discourages users from loading the
bypass, reminding them that doing so
will void their device's warranty.

18. Disadvantages:
1. Possibility Of Small Lag (only
visible if you watch closly)
2.Small Posibiltiy Of Virus
3.Some False Apps
4.Disables SpellChecker

20. Any Queries