Samsung mobile phone g8508s using an Android operating system, if you install the downloaded application, there is no installation, you can follow these steps:
1. Under the Standby page, click "Application".
2. Click "Set".
3. Slide up the screen and click "Safe".
4. Click on "Unknown Source".
5. Pop-up "unknown source" prompts, read, click "OK".
6. At this time the unknown source is checked, the following figure:
After you have set the above, try installing a third-party application.
Tips:
1. Samsung mobile phone g8508s support to install the use of software is a. apk format, we recommend that you download the installation software, select the. apk software Download installation.
2. If you are unable to install Third-party software after the above operation, it is recommended that you download the other version again. APK format software attempt.
3. If the problem persists, please back up your mobile data (contact, SMS, photos, etc.), restore the factory settings (set-reset-Restore factory settings).
