I was checking options in settings and I applied default theme. Now I can't take it off. I checked on internet how to fix it, but apparently you need oppo theme store
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![Premium Themes] Some Top Paid Themes from Theme Store](https://bbs.oppo.com/upload/image/20210524/429906854/808924605678354433.jpg "Premium Themes] Some Top Paid Themes from Theme Store")
Premium Themes] Some Top Paid Themes from Theme Store
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