An apple IPHONE can only be synchronized with one computer. If you synchronize on computer A, you can't synchronize on computer B. If you synchronize, the synchronized data on computer A will be erased and all data will disappear. 2. Your solution is to bind your account in the ITUNES software of the new computer, and the same account can bind 5 computers. Then download the software you bought. If you buy it again and again, it is free. Then connect your iphone to the machine, and then open the ITUNES software to make sure it is set as the new iPhone. There is an application tab under the iPhone directory, check the software to be installed, and then click Sync. However, it should be noted that this software will erase all your private information, including phone books, memos and personal information. , equivalent to your memory flash has been reformatted again. Please do a good job of backup before this. If your iPhone is not jailbroken, backup will be more troublesome and manual backup will be more convenient. 4. If you don't want to do this, synchronize your phone on the original computer. Steps are the same as 2.

Click on the Apple Store to find the purchased app. IPhone is a series of smart phones developed by Apple in the United States, equipped with the iOS operating system developed by Apple. Jobs revealed the launch of the first generation of iPhone at the 2007 Apple Global Software Developers Annual Meeting held at the Musconi Convention and Exhibition Center in San Francisco. The first generation of iPhone was released by former Apple CEO Steve Jobs on June 9, 2007, and officially released on June 29, 2007. The second generation iPhone3G was officially released by Steve Jobs, the head of American Apple Company, at the Apple Global Developers Conference on June 10, 2008. The third generation iPhone3Gs was officially released by Apple at the World Developers Conference WWDC2009 on June 9, 2009. On September 20 13, the seventh generation iPhone 5s and iPhone 5c were released, and they were officially released on September 20 of the same year. The eighth generation iPhone 6 and iPhone 6 Plus were released on September 4, 2004, and the sales time in Chinese mainland is scheduled for June 7, 2007. The ninth-generation iPhone 6s and iPhone 6s Plus were officially released on September 15, Beijing time. Booking was accepted on September 20 15 12 15: 00, and it was officially launched on September 25, 2005. China is one of the earliest countries. The 10th generation iPhone 7 and iPhone 7 Plus were released on September 8th, 20 16, Beijing time, with a starting price of 5388 yuan. 2065438+On March 2, 20071day, Apple launched special editions of iPhone 7 and iPhone 7 Plus, with attractive red color and starting price of 6 188 yuan. 1 1 iPhone 8, iPhone 8 Plus and iPhone X were released on September 17, Beijing time. The price of 4.7-inch iPhone 8, 5.5-inch iPhone 8 Plus and 5.8-inch iPhone X starts from 5888 yuan, and the price of iPhone 8 Plus starts from 6688 yuan. On September 22nd, iPhone X was officially launched. 16 years 10. Booked iPhone X on October 27th, 10. It will be released on October 3rd. The 64G version is 8388 yuan, and the top is 9688 yuan for the 256GB version.

No matter you log in with any IOS device, just log in with an apple ID, and you can download the purchased software under that ID. However, Apple will directly match the serial number of the device, and a purchase can only be downloaded by two devices for free. Therefore, even on the deleted device, as long as you log in with the same ID, you can download the application for free again without paying again.

Connect to your computer and sync with itunes ... that is, click the phone application ... connect what you want to sync ... click Sync again ... I try not to delete my personal information ... I really don't trust the next software irip. ..

Through "OpenSSL Decoding X509 Certificate File", this paper introduces how to use OpenSSL to decode the certificate file and get the certificate context structure X509. Due to the encryption mechanism of Apple certificate, IPA without signature cannot be installed on mobile phone. The mountain pig sign can be installed on the mobile phone by simulating the signature environment on the computer, and the encryption method of the certificate can be simulated into the program to realize direct installation on the mobile phone. This is the principle. On Baidu, you can find the sign of mountain pig by search.