What's wrong with iOS 15.7.2 update

Apple spends a lot of manpower and material resources on system research and development every year. Now the iOS system used by iPhone has been updated to the 16th generation. Of course, many fans have not updated the latest iOS16 system, but are still using the previous version of the old system. For example, iOS15.7 system, which was launched soon this year, will be introduced a new iOS15.7 system recently, Many users want to know what is wrong with iOS 15.7.2 update. Here's a brief introduction!

What's wrong with iOS 15.7.2 updates? What is the reason for iOS 15.7.2 update failure

I. Wrong installation method

1. First of all, since the beta version is released this time, we need to download the description file before updating, and cannot directly install it in the system update.

2. Download the ios15 description file, and then enter the settings to install it in the description file.

II. The model does not support

At present, the models supporting ios15 are: iPhone 11 series, iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE (first generation), iPhone SE (second generation), iPod touch (seventh generation)

III. The network connection is abnormal

After downloading the description file, the ios15 system ontology still needs to be downloaded online. Therefore, if the network connection is abnormal, the installation may fail.

IV. Insufficient memory

We can delete unnecessary applications and files in the storage space.

The reason why iOS 15.7.2 went wrong is introduced here today. It is very convenient to update the iOS system used by Apple mobile phones. There is basically no problem of updating errors. You can rest assured to update the new system.