What should I do if my mobile phone battery is dead?

Solution to a dead mobile phone battery: 1. Use an eraser or other cleaning tools to wipe the metal contacts on the mobile phone and the lithium battery of the mobile phone. This is beneficial to fast charging and power conservation; 2. Turn off the mobile phone, Take out the battery, wrap it in plastic wrap to squeeze out the air, wrap it in newspaper and put it in the refrigerator for 48 hours. Take it out, defrost it and charge it before use.

Operating system for this tutorial: HarmonyOS3.0 system, Huawei P50Pro mobile phone.

Solution to a dead mobile phone battery

##Method 1:

Use Use an eraser or other cleaning tool to wipe the metal contacts on the mobile phone and the mobile phone's lithium battery. This is beneficial to fast charging and power preservation.

Repair Principle: After long-term use of a mobile phone battery, a certain degree of oxidation will occur on the surface of the metal contacts, preventing better contact between the mobile phone and the battery. After wiping with an eraser or other cleaning tools, The rusty material on the surface is removed, allowing better contact between the phone and the battery.

Method 2:

1. First use the mobile phone battery until it automatically shuts down;

2. Take off the mobile phone battery and wrap it tightly with plastic wrap Three layers to ensure that the mobile phone battery is in a vacuum state;

3. Wrap the mobile phone battery wrapped in plastic wrap with three layers of newspaper to ensure that the mobile phone battery is completely sealed;

4. Place the wrapped battery in the refrigerator to freeze for 48 hours;

5. After the freezing time is reached, take out the battery, remove its outer wrapping, and cool the mobile phone battery for a period of time before charging.

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