behemoth stores can permanently install unsigned IPA applications on iOS.

For the sake of system security, as Apple's only official AppStore, the App Store is still very strict in reviewing the APP shelves, and the closeness of the ios system is equivalent to dividing a security zone. Of course, you can also cross this safe area, such as jailbreaking, but the security can not be guaranteed, and there will be many bad effects on mobile phones.

Of course, it doesn't mean that software can only be downloaded from the APPStore. Apps signed by Apple don't need to be uploaded to the App Store. Users can also download and install them directly, as well as some assistants answered below. Monster Store is such an application.

introduction of apple's mobile phone:

iPhone is a mobile phone product released by apple at Macworld conference held at the maskoni convention center in San Francisco, USA on January 9, 27. The front of the iPhone body uses a 3.5-inch LCD screen with only one color. The upper part of the back is silver gray, made of aluminum alloy, and the lower part is black and made of plastic.

the p>iPhone has a width of 61mm, a length of 115mm, a thickness of 11.6mm and a weight of about 135g. IPhone is equipped with Samsung S5L89 chip and iOS operating system, equipped with a 2-megapixel rear camera and built-in 13 mAh non-removable battery. Its sales volume is excellent, ranking first among major mobile phone brands all the year round.