Theme libraries cannot imitate iOS.

Imitate the reason why iOS can't download the theme library and the solution;

1. It may be because you didn't turn on the download switch of applications from unknown sources in the phone settings. Open the mobile phone settings, enter the security settings or developer options, and turn on the unknown source application download and external source application installation switches. Maybe you didn't notice the format of the software when you downloaded it. If the software is not. Apk suffix, Android system cannot be installed. 3. The downloaded software requires the version of Android system. The version of the current system running on your mobile phone doesn't match, so some new software can't be installed normally. In this case, you can only upgrade your mobile phone system and then try to install it. 4. It may be caused by insufficient storage space of the mobile phone. In addition, because the software needs to be decompressed during the installation process, the space occupied by the actual software is larger than that required by the installation package. If the storage space of the mobile phone is insufficient, you will not be able to install the software.