When you encounter problems such as phone lags and bugs, restoring factory settings is an effective solution. This article will introduce in detail the method of restoring factory settings for the OPPOK9 Pro mobile phone to help users easily solve mobile phone problems. Please continue reading below to learn the steps and precautions for factory reset of OPPOK9 Pro.
1. Open the settings page and select other settings.
2. On the other settings page, click Restore Phone.
3. Select to completely clear all data.
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