1, first of all, you need to plug in the data cable and charge for 10 minutes.
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2. Restore factory Settings, hold down the power button for more than 10 seconds, and the indicator in the charging box blinks red to complete the headset reset.
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3, reconnect the phone at this time, you can charge successfully.
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4. If the factory Settings fail to be restored, press and hold the key for more than 10 seconds to restore factory Settings until the indicator blinks.
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5. If you want to completely solve the problem that the charging power is displayed at 1% but cannot be charged, please charge FreeBuds Pro to 30% or above and upgrade to the firmware version or above.