① Disable background app refresh
Go to [Settings], [General], [Background App Refresh] on your iPhone and turn it off.
This function can mainly refresh the content after the App lock screen with the help of wifi or mobile data network, but it is not useful for most people, and the background refresh for a long time will naturally lose a lot of power, so it is recommended to close.
② Turn off iPhone Analytics
Go to [Settings] - [Privacy] - [Analytics] - [Share iPhone Analytics] on your iPhone and turn it off.
This is a very chicken rib function, no use, open also steal electricity, it is recommended that we should quickly close.
Turn off search suggestions
Turn off all of the \"Settings\" - \"Siri and Search\" - \"Search Suggestions\" and \"Query suggestions\" of the iPhone in turn.
There are many ways to optimize and improve the battery life of the iPhone, such as opening low battery mode, reducing screen brightness, turning off notifications, turning off positioning, turning off WiFi and mobile network traffic as much as possible when not using the network, and so on, without affecting the use of the case, as far as possible to improve the battery life of the iPhone, which can reduce the number of charging.
The specific analysis of how fast the battery consumption of Apple's mobile phone is as follows:
1. Open the Settings, display and brightness, and lower the screen brightness;
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2. Open Settings, privacy, and turn off location services;
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3, open Settings, general, background refresh off.
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4, open the Settings, battery, turn on the low power mode;
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5. When the device is not in use, you can switch to sleep mode by pressing the power button;
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6. Try to replace the original battery of the mobile phone if conditions permit.