The iPhone is a popular smartphone in Vietnam. In a previous article, we provided some tips to save iPhone battery. Regarding your question, on iOS 9, Apple has developed some new features to help conserve battery power. The yellow color of the battery icon on your iPhone screen is due to a new feature called Low Power Mode.
When activated, this mode will change some settings to save battery, such as turning off automatic email updates, reducing screen brightness, automatically locking the screen, closing background apps, and reducing CPU and GPU performance. When the battery is below 20%, the system will automatically remind users to activate this mode. Apple also provides indicators for users to know whether this mode is on or off by looking at the battery icon displayed in the top right corner. Specifically, if this mode is enabled, your battery icon will appear yellow instead of red like previous iOS versions.
* How to turn off Low Power Mode - turn off battery saving on iPhone
To help you turn off battery saving on iPhone as well as the phenomenon of yellow battery on iPhone, follow these steps:
Step 1: Access the Settings app from the home screen of your iPhone device as shown below.
To disable iPhone battery saving mode and change the iPhone battery icon, we search for and select Battery.
Step 2: You will now see the Low Power Mode feature activated, tap on this feature once again to activate it.
Step 3: Immediately, we will see the system change the iPhone battery icon from yellow to black as usual.
So there you have it, we have just explored why the iPhone battery icon is yellow, as well as how to change the iPhone battery icon, turning off the iPhone battery saving mode, hope the above answer will satisfy the questions you sent to Mytour.vn
https://Mytour.vn/why-is-the-iphone-battery-icon-yellow-3890n.aspx
In addition, to help improve the use of the iPhone battery and make it more efficient, you can choose to use the feature to show the percentage of iPhone battery. To effectively control the usage time of the iPhone battery, enabling the display of the iPhone battery percentage will be a helpful tool for you to control the battery and plan its usage properly to avoid situations of running out of battery, causing the device to shut down.