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Tethered Jailbreak vs. Untethered Jailbreak — What's the Difference?

By Tayyaba Rehman & Urooj Arif — Published on February 13, 2024
Tethered Jailbreak requires a computer to start the device each time it reboots, while Untethered Jailbreak allows the device to start up on its own.
Tethered Jailbreak vs. Untethered Jailbreak — What's the Difference?

Difference Between Tethered Jailbreak and Untethered Jailbreak


Key Differences

Tethered Jailbreak means that each time the device restarts, it must be connected to a computer to enter the jailbroken state again. This process can be inconvenient because it requires access to the specific software used for jailbreaking every time the device reboots. Untethered Jailbreak, on the other hand, is much more user-friendly. Once applied, the device remains jailbroken even after it is rebooted, eliminating the need to reconnect to a computer.
Untethered Jailbreak is often preferred by the majority of users due to its convenience. Once the jailbreak process is completed, the device operates as if it were natively unlocked, with no further actions required from the user upon restart. Tethered Jailbreak, while less convenient, is sometimes the only option available for newer or less common firmware versions until an untethered solution is developed.
Security implications differ between Tethered Jailbreak and Untethered Jailbreak. A Tethered Jailbreak, requiring physical connection to a computer for reactivation, could be argued to offer a slight security advantage, as it adds a layer of complexity to unauthorized access. Untethered Jailbreaks, providing seamless usability, may pose a greater security risk since the device remains in a jailbroken state without needing physical tethering.
The development complexity and availability vary between Tethered Jailbreak and Untethered Jailbreak. Often, a tethered jailbreak will be released first, as it can be simpler to develop. Developers then work on converting this into an untethered jailbreak, which can take additional time and resources due to the complexity of bypassing the startup restrictions of the device.
Choosing between Tethered Jailbreak and Untethered Jailbreak depends on the user's needs. If immediate jailbreak access is needed and the user does not mind the inconvenience of tethering, a Tethered Jailbreak can be useful. However, for those seeking a more seamless experience, an Untethered Jailbreak is the superior choice, offering freedom from the computer and the ability to maintain the jailbroken state effortlessly.

Comparison Chart

Startup Requirement

Needs a computer to boot into jailbroken state
Boots into jailbroken state without a computer


Less convenient due to reliance on a computer
More convenient with no need for computer assistance


Slightly more secure due to tethering requirement
Less secure as it remains jailbroken without tethering


Often available sooner for newer firmware
May take longer to develop after a tethered version

User Preference

Used when untethered option is not available
Preferred for its ease of use and seamless experience

Compare with Definitions

Tethered Jailbreak

This type of jailbreak is often seen as a stepping stone to more permanent solutions.
I'm using a tethered jailbreak until the untethered version is released.

Untethered Jailbreak

Untethered Jailbreak offers a seamless user experience, mimicking non-jailbroken device usability.
Thanks to untethered jailbreaking, my user experience is uninterrupted and smooth.

Tethered Jailbreak

Tethered Jailbreak is characterized by its dependency on external hardware for reactivation.
To keep my phone jailbroken, I always carry my laptop for tethered booting.

Untethered Jailbreak

An Untethered Jailbreak allows the device to remain jailbroken without needing a computer on reboot.
My device automatically boots into its jailbroken state, thanks to the untethered jailbreak.

Tethered Jailbreak

Tethered Jailbreak demands technical interaction with software each time the device starts.
I had to run the jailbreak software again because my phone accidentally restarted.

Untethered Jailbreak

Untethered Jailbreak requires no external tools or devices for the jailbreak to persist.
Once jailbroken untethered, my tablet functions without needing any additional software.

Tethered Jailbreak

A Tethered Jailbreak requires connection to a computer on every reboot to maintain jailbreak status.
After rebooting, I had to perform a tethered jailbreak again using my laptop.

Untethered Jailbreak

It provides a permanent jailbreaking solution, surviving through reboots.
The untethered jailbreak on my phone has lasted through several restarts without issue.

Tethered Jailbreak

It's a temporary jailbreak solution that loses its effect upon device restart.
I avoid shutting down my phone because it's tethered jailbroken.

Untethered Jailbreak

This jailbreak type is preferred for its ease and permanence.
I opted for an untethered jailbreak because it's hassle-free and durable.

Common Curiosities

What is a Tethered Jailbreak?

A jailbreak that requires a computer connection for device booting into jailbroken state.

What is an Untethered Jailbreak?

A jailbreak that allows the device to boot into a jailbroken state without computer assistance.

Can I convert a Tethered Jailbreak to an Untethered Jailbreak?

Yes, but it depends on the availability of an untethered solution developed for your device's firmware.

How do I reboot a device with a Tethered Jailbreak?

Reboot using a computer with the necessary jailbreak software each time.

Are Untethered Jailbreaks available for all devices?

Availability varies based on device, firmware version, and development progress.

What happens if I reboot my device with an Untethered Jailbreak?

It will automatically boot into the jailbroken state, no computer needed.

Is there a risk of bricking my device with either jailbreak method?

There's always a risk, but following trusted guidelines minimizes it.

Do I need special skills to perform a Tethered or Untethered Jailbreak?

Basic technical skills are recommended, but detailed guides are available.

Is Tethered Jailbreak less secure than Untethered Jailbreak?

Slightly more secure due to the need for physical connection, adding a layer of complexity for unauthorized access.

Why would someone choose a Tethered Jailbreak?

Due to immediate availability or lack of an untethered option for their device's firmware.

Can jailbreaking void my device's warranty?

Yes, jailbreaking typically voids warranties, but restoring to factory settings may reverse this.

Can I update my jailbroken device?

Yes, but updating may remove the jailbreak, requiring you to jailbreak again.

Can I still access official app stores with a jailbroken device?

Yes, but jailbreaking can cause some apps or services to detect the jailbreak and limit functionality.

Is jailbreaking legal?

The legality varies by country and can affect your access to certain device features or services.

How long does a jailbreak take to apply?

It varies, but typically it takes a few minutes to an hour, depending on the method and device.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.

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