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How to cancel the background of oppo SMS?

I suggest you close a topic to view. The default pattern on the mobile phone screen looks monotonous. If you change the theme of the mobile phone, it will personalize the mobile phone. Let's see how to operate it ~

1, ColorOS 7 and above: "Settings >; Personalization > (My) Theme > Set Theme ".

2.ColorOS 5.2-6. 1 version: "settings > desktop and music lock screen (desktop and lock screen magazine) > setting theme".