What does Jailbreak do to your iPhone?

This is the first jailbreak that will work with your iPhone 5 and iPad Mini. Jailbroken devices are free from the shackles of Apple's "walled garden," meaning they can run software do things that are normally not allowed. Jailbreaking is perfectly legal and it unlocks some pretty cool capabilities for your iPhone.
A.

Is it legal to jailbreak a phone?

It's easy to see why you might think that jailbreaking is illegal. The short answer is: No, jailbreaking is not illegal. Jailbreaking officially became legal in 2012 when the Library of Congress made an exemption to the Digital Millennium Copyright Act, allowing users to jailbreak their iPhones.
  • Is rooting your phone illegal in the US?

    Note that some android manufacturers allow you to root the device with their permission. For example all Google's Nexus smartphones and tablets allow easy, official rooting, that isn't illegal. Unfortunately, rooting, and even unlocking smartphones is likely illegal in some countries.
  • Is it illegal to jailbreak in the UK?

    This is why devices that allow you to play copied console games have been banned the UK. So, (my interpretation) if you jailbreak in order to run legitimate software that Apple won't allow on it's AppStore that's fine. But if you jailbreak so you can run paid Apps for free you are breaking the law.
  • Is it illegal to unlock a phone in the UK?

    The first thing to realise is that unlocking a phone is perfectly legal in the UK. The main reason that networks are allowed to lock phones in the first place is because generally when a phone is sold locked it's at a subsidised price.
B.

How does Jailbreak affect my iPhone?

Jailbreaking absolutely makes your iPhone, iPad or iPod touch an easier target for malware. It completely removes the walls that Apple built into both iOS and the iTunes App Store. Most documented malware for iOS has affected only jailbroken devices.
  • Can you switch SIM cards?

    When you move your SIM, you keep the same cell phone service. These phones have to be either provided by your cell phone provider or they have to be unlocked phones. With unlocked phones, you can always switch your phone service between different phones as easily as popping out the SIM card and moving it.
  • Can you buy a new SIM card?

    SIM Cards. Buy an iPhone 6 or 6s series SIM card and take advantage of AT&T's 4G LTE network. Compatible device, new activ., and qual. With this Nano SIM card, you can bring a compatible iPhone 8 series phone you already own to AT&T and take advantage of our network.
  • Do I need a new SIM card to switch phones?

    Your SIM card allows your phone to connect to GSM networks. Similarly, if your phone is unlocked, you can insert SIM cards from different carriers into it, which can be useful when traveling. When switching between phones, you'll need to make sure that the new phone will accept the SIM card from your carrier.
C.

Can you use a jailbroken iPhone with any carrier?

The difference between jailbreak and unlock is that jailbreaking allows you to gain access to files on your device that Apple wouldn't normally let you access, while unlocking is the removal of carrier restrictions allowing you to use your iPhone on any carrier.
  • Is my Verizon phone unlocked?

    According to Verizon, they do not lock most of their phones. To quote them directly: "We do not lock our 4G LTE devices and no code is needed to program them for use with another carrier." That means that any iPhone 5 or higher that was bought with Verizon should already be unlocked.
  • What number do I call to unlock my Sprint phone?

    Sprint phones can be unlocked by calling 1-888-211-4727. You can also request an unlock through a web chat. Full documentation is available here. T-Mobile customers can unlock their devices by calling 1-877-746-0909.
  • Who unlocks cell phones?

    Before we get to the carriers, however, you should check to see if your phone is locked.
    • Find out if your phone is already unlocked. You may not need to request your carrier to unlock your phone.
    • Verizon.
    • AT&T.
    • T-Mobile.
    • Sprint.
    • Closing caveat.

Updated: 2nd October 2019

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