What does Jailbreak on iOS device means? Difference between Tethered and Untethered Jailbreak

What is jailbreak on iOS Devices? So before understanding what the term jailbreak means lets take a brief look on what is iOS. iOS is an operating system that was developed by Apple Inc. for the mobile devices Primary when it was released it was only for iPhone and iPod Touch as the time escaped it begin to support more idevices like Apple TV and iPad's. So in simple terms firmware that runs on iDevices is known as iOS. Now lets move to our main topic Jailbreak. From the name jailbreak itself we understand that breaking something out of jail the word somethings here refers to iDevices. So in technical terms jailbreak on iOS running devices means removing the limitation to gain full access on the Unix File-System. This limitation are imposed so that the users cannot mess in the protected area of the file system. So to remove this barrier we have to jail break this devices. So your Question will be what are benefits of jailbreaking? When we jailbreak our iPhone, etc. a new application (i.e. app store) gets installed known as Cydia which allow us to install third party software that are meant only for jailbroken iOS devices. Through this app you can get lots of standalone applications, it also small tweks or extensions that are use to customize your Apple's ios and apps developed by various developers and programmers which are not possible to installe with Apps Store app. So we can say that first use of jailbreaking is to add extra features and customize our ios device. jailbreaking also helps to unlock iOS devices to use on multiple carriers. Drawback of Jailbreaking your device is that it increases risk of installing malicious software's.

Warnings:
Jailbreaking your iOS device void Manufacturer warranty

Types of Jailbreaking:
There are two types of jailbreak know as Tethered Jailbreak and Untethered Jailbreak now lets look what is the main difference between this two types of jailbreak.


Tethered Jailbreak

Means that every time you phone reboot, restart or your phone losses power it will loose the patched kernel an the jailbreak will become function-less to to regain the full functionality and jail-broken state you will have to reconnect your device too computer and run the tool which was used while jail breaking your iphone and have to use "just boot" or "boot as tethered" option on your jailbreack tool which will again patch the kernel temporarily until next reboot or boot.

Untethered Jailbreak
Simply it is just opposite to Tethered Jailbreak here the kernel is patched permanently so you don't have to connect your device every time to computer on power loss or reboot or even after hard reset. so it can be considered as ideal solution