Realme UI 2.0 is the operating system for Realme phones, and Fast charge refers to fast charging technology that allows the phone to be fully charged in a short period of time. In Realme UI 2.0, the display of fast charge may vary depending on the phone model and version, but it can generally be viewed in the following ways:
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1. In the notification bar at the top of the phone screen, a battery icon is usually displayed with a lightning bolt symbol or similar charging symbol indicating that a fast charge is being made.
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2. In the phone's Settings menu, there may be a battery or power management option where you can view the current charging status and charging speed.
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3. Some Realme UI 2.0 versions may display a special charging animation on the phone screen to alert the user that a quick charge is in progress.
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It should be noted that different phone models and versions may have different fast charge display methods. For specific operation methods, you can check the user manual of the phone or consult the Realme customer service.