The following table describes how to rectify the failure of the charging box of Huawei freebuds3
Restore the headset to factory Settings as follows
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Put two powered earphones into the earphone case, open the case, hold down the button on the right side of the earphone case, and press for 10s. The light in the earphone case will flash white at first, and then flash red, indicating that the recovery is successful.
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Note: Charge to charging box and earphone power is greater than 30%