These days, a lot of phones come with some form of ambient/always-on displays. Samsung, Motorola, LG, and Google all have phones with a variant of this feature, and it can really come in handy if you just need to check something in a pinch. But while Google has updated its Ambient Display with 8.1 Oreo, it's still missing one crucial feature: battery level. However, you can help push Google to add it by starring this issue in its Issue Tracker.

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