As far as I know, the Vivo X90 Pro is a phone that supports wireless charging. Here are the general steps for in-car wireless charging with Vivo X90 Pro:
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1. Car wireless charger: First, you need to buy a car charger that supports wireless charging. Make sure the in-car charger is compatible with Vivo X90 Pro and meets your vehicle usage requirements.
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2. Install the car charger: Install the car charger in the appropriate position in the vehicle. Typically, car chargers come with a charging dock or pad that you can place your phone on for charging.
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3. Turn on wireless charging: Make sure the wireless charging function of Vivo X90 Pro is turned on. You can find the wireless charging option in your phone's Settings menu and enable it.
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4. Place the phone on the charging dock: Place the Vivo X90 Pro on the charging dock or pad of the car charger. Make sure the phone is aligned and tightly connected to the charging dock.
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5. Wait for charging: Once the phone is properly placed on the charging base, wireless charging will begin. You can see charging instructions on the phone screen and make sure the phone is charging properly.
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Please note that the specific steps may vary depending on the model and design of the car charger. It is recommended that you refer to the manual of the car charger or contact its manufacturer for accurate and detailed guidance. In addition, ensure that the vehicle's power supply is working properly to avoid insufficient power or other problems affecting the wireless charging effect.