I asked for support off the Samsung themes help page. I tried setting my phone to 30 secs inactivity but it did not change it. Could my screen be broke? Yeah it's very faintly and I can see it on a lighter page.
No, it would not. However, it would prevent it from further burn-in. Operate your device at low brightness.
- If your phone has one UI, switch to dark mode.- Use dark wallpapers
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Do you mean completely reset the phone?
Root it and install a new OS and take out all google products. You'll have a lot more privacy