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无线充的标识ichaiyang 2024-05-16 21:34 21
ColorOS 3.2 mobile phone After the \"power saving\" mode is enabled, the color of the battery icon of the mobile phone is adjusted to blue, and will be restored to the original col...

What's with the charging sign turning blue?

ColorOS 3.2 mobile phone After the \"power saving\" mode is enabled, the color of the battery icon of the mobile phone is adjusted to blue, and will be restored to the original color after it is turned off.

When the power is below 20% or 10%, a pop-up window will remind you to open the power saving mode.

Power saving mode setting path: Enter the phone \"Settings\" -- \"battery\" -- \"power saving\

Power saving mode can enhance the standby and battery life of the phone, after turning on, the phone will have the following adjustments:

? Change the battery icon color to blue.

? The brightness of the phone screen decreases;

? Screen time adjusted to 15 seconds;

? Turn off the vibration effect when virtual navigation keys\/navigation gestures are touched;

? Close some background applications and suspend the background automatic synchronization function;

? The lock screen will clean up background apps


The cell phone battery consists of three parts: the battery cell, the protection circuit and the housing. The current mobile phone battery is lithium-ion battery (non-standard occasions are often referred to as lithium battery), the positive electrode material is lithium cobalt acid. Standard discharge voltage 3.7V, charge cut-off voltage 4.2V, discharge cut-off voltage 2.75V. The unit of electricity is Wh(watt-hour), because the standard discharge voltage of the mobile phone battery is unified to 3.7V, it can also be replaced by mAh (milliampere hour).

When the phone is set to power saving mode, the battery displays blue. Just cancel the power saving mode.


1 May be because of the LED display light that comes with the charger

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2 It may also be caused by aging of the charger


The charging sign turns blue to indicate that it is fully charged.