The mate40pro phone charges slowly for the following reasons:
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one
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Please use different brands of chargers with standard chargers and data lines, there are differences in the principle of fast charging, mixed chargers may not be able to achieve fast charging function, resulting in slow charging.
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two
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Failure to enter fast charge mode causes slow charging If your phone supports fast charge but cannot enter fast charge mode normally, the charging speed will slow down.
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three
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Slow charging When playing while charging Mobile phones running high power programs (such as taking photos, videos, games, etc.) while charging may cause slow charging. Please try to avoid charging while running high power programs.
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Using computer USB charging, charging bank charging slow Computer USB interface charging current is small, charging speed is slow. Charging treasure generally only supports ordinary charging mode, charging speed is slow, it is recommended that you buy a charging treasure that supports fast charging mode.
one
There is a problem with the charging head, charging cable, or charging interface.
two
Computer usb port output voltage is relatively low.
three
Clean up background applications or shut down and restart before charging.
four
During the inspection, the mobile phone is continuously charged to check whether the function is normal.