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How to set SMS password for Oppo.r9s?

You can set it directly in the settings.

1. Find the "Settings" of the mobile phone system and enter the settings.

2.? After entering, find the "mobile phone housekeeper" and enter the mobile phone housekeeper.

3. Find "Application Encryption Settings" in "Phone Manager" and enter it. After clicking, a selection box will pop up and select "Open".

4. Select the application to encrypt, and then click the button below to turn on encryption.

5. Then draw a pattern. Don't be too simple. After drawing twice, "Set Security Questions" will pop up. Write this casually. Click Finish after setting.