The reasons that affect power consumption are generally battery capacity, screen display, application operation, communication connection and other reasons, and the power consumption is different under different use conditions. If you use a Huawei mobile phone, you can optimize the battery life in the following ways:

1. Automatic diagnosis optimization using one-button power saving or one-button optimization.

Path 1: Go to Settings > Battery, click a button to save power, and the system will automatically help you find some functions that may cause power consumption, or you can choose optimization manually.

Path 2: Enter the mobile phone housekeeper, and click one-click optimization to realize power-saving battery life.

2. Click on the power consumption ranking to view high-power applications.

Go to Settings > Battery > Power Ranking to see the running high-power applications. If you don't need to run it for the time being, please click the application and end the operation.

3. Turn on smart resolution, which helps to save electricity.

Enter Settings, search the screen resolution at the top, and enter the screen resolution setting interface according to the prompt to turn on the smart or smart resolution.

4. Turn on the power saving mode

Go to settings > battery to turn on power saving mode or super power saving.

If the battery needs to be replaced, please refer to the following instructions:

1. Normal maintenance cost = maintenance spare parts price+labor cost. Please consult the customer service center for specific fees.

2. Maintenance methods include: booking, arriving at the store, sending for repair, sending for repair by dealers, and on-site/on-site service.

Tips: It is recommended that you back up the data in advance (third-party applications such as QQ and WeChat need to be backed up separately), and then go to the customer service center to replace the battery with the purchase voucher.