The Apple XR supports fast charging, but requires the additional purchase of a fast charging adapter and Lightning to USB-C cable. If you want to check if your iPhone XR supports fast charging, you can follow these steps:
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1. Buy a fast charging adapter and Lightning to USB-C cable and connect it.
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2. Connect your iPhone XR to the power supply, then press and hold the power button to turn it on.
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3. After the iPhone XR is turned on, unlock it and enter the main screen.
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4. On the home screen, find the Settings app and tap Open.
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5. In \"Settings\
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6. In \"Battery\
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7. In \"Charging\
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It should be noted that the maximum fast charge power of the Apple XR is 18W, and the use of 30W or higher power adapters does not charge it faster.
When you plug in the cable, it takes a few seconds for the tone to sound, which is fast charging. When the data cable is plugged into the prompt tone is not fast charging.