If you want to download the previous mobile phone software again, you can download it in the application software after the software data in the mobile phone is cleaned up.

1, open the setting of unknown source of downloaded software in the mobile phone, and the Android mobile phone can be used in the application treasure;

2. It is an application software specially designed for Android phones, and the software on mobile phones can basically be found in it;

3. After finding the required software, click Open to download and install it.