Jailbreak FAQs

  1. What is jailbreak?
  2. What is tethered jailbreak and untethered jailbreak?
  3. What are the advantages of jailbreaking?
  4. Will jailbreaking delete my existing data?
  5. Does jailbreaking remove my warranty?
  6. Can my iOS device be jailbroken?
  7. How to check the iOS version of my device?
  8. Can I delete the jailbreak? How do I do that?
  9. What is the difference between jailbreaking and unblocking?
  10. What is DFU mode? How to put my device into DFU mode?

What is jailbreak?

Jailbreak is a technical term which represents the process of removing the limitations imposed by Apple on devices running the iOS operating system by the use of custom kernels. Jailbreak allows users to apply more useful and interesting apps on their iOS devices. Read more…

What is tethered jailbreak and untethered jailbreak?

A tethered-jailbroken device may cannot boot without computer connection but stop at the Apple logo interface. On the contrary, untethered jailbreak refers to that your device stays normal and you can reboot or power on it as it is not jailbroken. Read more…

What are the advantages of jailbreaking?

Jailbreaking allows you to install apps and tweaks that Apple hasn’t signed. These include themes and tones, tweaks and tools, games and apps, ranging from work to entertainment and more. After you jailbreaking, the iOS users can install any applications like iKeyMonitor via Cydia.

Will jailbreaking remove my existing data?

When you jailbreak with Absinthe, RedSn0w, GreenPois0n, and JailbreakMe, it simply jailbreaks your device and adds one application (Cydia), which does not delete any existing data. However, jailbreaking with custom firmware generated by some tools like Redsn0w’s  Extras, PwnageTool, and Sn0wBreeze does remove the existing data and upgrade/downgrade the iOS version at the same time.

Does jailbreaking remove my warranty?

It’s not really a big deal. Apple does declare that they will not provide warranty for a jailbroken device. However, since you can restore your system to an official one, your will still have the warranty.

Can my iOS device be jailbroken?

It depends on the iOS version and your device model. Please click HERE for the detailed list of jailbreak available devices. Please note that the devices not listed or devices+firmware not listed are NOT compatible for an untethered Jailbreak.

How to check the iOS version of my device?

To check the iOS version of your device, please go to "Settings" – "General" – "About" and scroll down to find what is said in "Version" line. Read more…

Can I delete the jailbreak? How do I do that?

Yes. To delete the jailbreak, please connect your iOS devices to iTunes, back up your devices and then click Restore. After the restore your device will reboot, and then iTunes will give you the option to choose which backup to restore from. The jailbreak will be removed and you need to re-configure your device.

What is the difference between jailbreaking and unblocking?

Jailbreaking refers to remove the restrictions in iOS devices so that it can install and run applications not approved by Apple, such as tweaks, themes and packages installable through Cydia.

Unlocking means the process that allows an iPhone to use other carriers that aren’t supported. For example, after unblocking, an T-Mobile iPhone can be used to send SMS and make calls on a AT&T plan with a AT&T SIM card.

What is DFU mode? How to put my device into DFU mode?

"DFU mode" means "Device Firmware Upgrade mode". If something goes wrong with your device, you can always put the device into DFU mode and restore it with iTunes.

To enter DFU mode, please connect to the device to computer, hold the POWER and HOME button together for 10 seconds, then release the POWER button but keep holding the HOME button for another 15 seconds. When your device successfully enters the DFU mode, its screen will be black and iTunes will say it’s in recovery.

Leave a Reply