What does prison break mean? How did Apple escape from prison?

Jailbreak, if it is aimed at some Apple devices, is a cracking operation aimed at limiting users' access to storage, reading and writing in the Apple operating system (IOS system). The jailbroken iPhone has read and write access to the bottom of the system, allowing Apple (iPhone) mobile phones to use cracked App Store software programs for free (equivalent to piracy).

Prison break practice

Jailbreak refers to taking advantage of some loopholes in the iOS system, obtaining root rights of iOS through instructions, and then changing some programs to strengthen the functions of iPhone and break through the closed environment of iPhone. IPhone was off when it was first bought. As ordinary users, we can't get the root right of iPhoneOS, and we can't install some software into the mobile phone.

Jailbreak of iOS system is the act of obtaining the highest authority of the system. Before and after jailbreak, the IOS system itself will not change qualitatively, but it can be fully utilized after jailbreak. After jailbreaking, it is more operational. After obtaining the highest authority of the mobile phone, you can modify the content of the mobile phone, including installing free cracking software, customizing functions, beautifying and so on. After jailbreaking, you can also bypass the APP Store to download apps for free.

IPhone is a series of smart phones developed by Apple, which is equipped with the iOS mobile phone operating system developed by Apple. The first generation of iPhone was released by Steve Jobs, CEO of the company, on June 9, 2007, and officially released on June 29 of the same year.

September 20 13 13, Apple launched the seventh generation products, namely the iPhone5C and iPhone5S, which were officially released on September 20 of the same year. The eighth generation iPhone6 and iPhone 6? Plus was officially released on September 20 10 14. On September 8, 20 16, the iPhone 7 and iPhone 7 Plus were officially unveiled, and the appointment was opened on September 9, and it was officially launched on September 16. 2017 September 13, Apple released three new iPhones, namely, the 4.7-inch iPhone 8, the 5.5-inch iPhone 8 Plus and the 5.8-inch iPhone X..

Advantages and disadvantages of iPhone not jailbreaking

Advantages of iPhone not jailbreaking:

1, save power.

2. The system is relatively stable.

3. The software downloaded and installed in Apple Store has strong compatibility.

4. The software downloaded and installed by Apple Store (ipa format) will not leave redundant system junk files after being deleted.

Disadvantages of iPhone not jailbreaking:

1, unable to manage mobile phone files.

2. System-level software, such as incoming calls, SMS showing the place of origin, SMS receipt, flash, etc. It is impossible to escape without jailbreaking on the iPhone.

3. The system authority is very low. For example, we can't delete system programs, modify system files and settings, encrypt programs, send files via Bluetooth, use third-party input methods, etc ... and third-party software can't be realized. Why? APP developers want to put it on the App Store, and their works must also listen to Apple.

4. Unable to install the cracked program.

5. Personalized programs such as themes, icons and SMS ringtones cannot be replaced.