Jailbroken iPhone, iPad and iPod Touch can allow iOS users to access more advanced features, for example, optimizing the system , revising the system files, sending files to other devices via Bluetooth, managing the files on your iOS devices, downloading plug-ins via the mobile browser and etc.

However, iOS jailbreak can also bring some disadvantages to your iPhone, iPad or iPod Touch, for example, a faster speed of power consumption, a stronger stability of system operation and etc.

The merits after jailbreaking iPhone, iPad and iPod Touch:

1. The jailbroken iOS devices can allow the apps to run commands in the background.

2. The jailbroken iOS devices allow you to attain the administrative privileges, installing some apps which have high administrative rights against the iOS system. After jailbreaking your iPhone or iPad, you can optimize the iOS system, revise the system files, send photos and files to other devices via Bluetooth, manage photos and files on your iPhone and iPad, directly download and install the plug-ins through the mobile browser, run the webpage flash plug-in and etc.

3. You are allowed to install paid apps for free after iOS jailbreak.

4. After jailbreak your iPhone and iPad, you can change the theme, icon, SMS ringtone and etc any time you like.

5. You can use the third-party tools or assistants to manage your jailbroken iOS devices more subtly.

The demerits after jailbreaking your iPhone, iPad and iPod Touch:

1. The iOS device’s power consumption becomes faster after jailbreak. The jailbroken iOS will keep running some system processes in order to ensure the device in a jailbreaking status, and thus the speed of power consumption will increase by 10% to 20%.

2. You might meet up with system instability after jailbreak. Therefore, after jailbreak, you should be cautious about how to choose the trusted iOS apps in order to avoid the system instability.

3. Jailbreaking voids your warranty. If there is something wrong with your jailbroken iOS devices, you will not be allowed to enjoy Apple’s warranty service.

However, jailbreaking is not suitable for every iOS user. So you are supposed to make a decision according to your specific requirement.