iphone upgrade iOS 9 cotton problem reason and solution

Reasons for upgrading iOS 9 cotton and how to fix it:

1, although Apple does not push the iOS 9 official version for a long period of beta and public testing, but after the official version of the push upgrade, the number of general user upgrades is too large, and the user's device may have a variety of previous tests have not encountered the situation, which may lead to Carrington.

Usually after the official version of the push, Apple will soon launch a small upgrade repair version (such as iOS 9.0.1) to optimize the solution based on user feedback.

2. When older models such as the iphone 4s and ipad 2 were upgraded, it was found that fluency might not be as good as the old version.

While Apple says iOS 9 can support older models such as the iphone 4s and ipad 2, but their hardware performance is not guaranteed to run the iOS 9 system smoothly, it is recommended that static wallpaper be used first to reduce system load ; If the effect is not obvious, users can try to brush the system ( Similar to reloading the computer, and do not use itunes and other software to recover the old data, only through Third-party software to retain contact information, so that the system can be deposited garbage data thoroughly clean up, to some extent, improve the system's fluency.

3, in addition to cotton, there are also some users to reflect the iOS 9 there are other small bugs.

If you haven't upgraded iOS 9, the proposal does not need urgent upgrade , first wait for repair version to come out and then upgrade; If you have upgraded and some small problems, you can try the brush in question 2 method to solve, such as still can not solve, can only hope that Apple quickly released repair version of the system to solve;

4, psychological role, when others say upgrade iOS 9 after the Dayton, you will also be psychologically suggestive of your old model upgrade will also be Kaka, so "really" kaka.