Joke Collection Website - Public benefit messages - The installation software shows that the software is not installed, and the installation from unknown sources has started.

The installation software shows that the software is not installed, and the installation from unknown sources has started.

According to the description, if the application cannot be installed when downloading and installing, you can follow the following steps:

1. Under the standby page, click Application.

2. Click Settings.

3. Slide the phone screen up, and then click Security.

4. Click on the unknown source.

5. Click OK.

The page has been checked.

Tip:

1. Samsung mobile phone s5 supports the installation and use of software in APK format. It is recommended that you download and install the software in APK format.

2. If the third-party software cannot be installed after the above operation, it is recommended that you try to download other versions of the software in APK format again. Because there are many versions of Android system, different versions of software may be incompatible.

3. If you still can't install the software, please check whether the mobile phone has downloaded the third-party software and set it.

4. If the problem still exists, please back up your mobile phone data (contacts, text messages, photos, etc. ) and restore the factory settings (Settings-Reset-Restore Factory Settings).