You are talking about third-party software or software downloaded by browsers. Now Apple has added manual authentication to ios9. You will be prompted when downloading the application. Then open Settings-General-Pull up to view device management-Click the application you want to trust-and then click Trust. You can start the application by returning to the desktop and opening it. ,

1. Click the installed application.

How to choose trust and open the software triple normally after iOS9 installs the application?

2. In Settings, General Options, find the profile.

3. Select the application signature file, and then click Enter.

4. Click the application signature profile, and then click the blue signature name.

5. Click Trust.

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First, the reason why buying an iPhone in Apple official website is reliable:

1, Apple official website sells genuine national bank machines and official turnover machines, which are all produced by regular manufacturers, with guaranteed quality, and will not buy fake and shoddy products;

2, there will be no contract, because contract machines are generally bought in the business hall, and Apple official website can't buy them;

3, can be guaranteed in China, the warranty period is one year, two years after the extension of the warranty period, as long as it is not over-guaranteed, man-made damage;

4, there is no card sticker, just insert the card.

5. After purchasing the machine, you can enter the serial number in official website to identify its authenticity.

Second, Apple official website buys services:

1. Cities currently supporting delivery: prefecture-level cities in most provinces, and capital cities in remote provinces. Please click to view for details;

2. Cities currently supported by cash on delivery: municipalities directly under the central government, most prefecture-level cities in East China, and some large and medium-sized cities in other regions. Please click to view for details;

3. Currently supported payment methods: cash on delivery, installment payment, international credit card, domestic credit card/debit card, telephone payment, Alipay and telegraphic transfer.