Open the \"Settings\" menu of the phone, enter the Settings and click the \"Battery\" option.
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Turn off the low battery mode switch, then you will find that the battery icon is not displayed in yellow.
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Generally, it is green when fully charged, and it will show yellow when the battery is used half or less.
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When the mobile phone is used to less than 10%, it is generally red, so the battery power is different, it will show different colors, which is normal.