P40 Pro User Guide-(ELS-N04&ELS-NX9,EMUI11.0_01,en-us)

Overview of Battery Icons
Y
ou can check the battery level from the battery icon on the phone screen.
Battery Icon Battery Level
Less than 4% battery remaining.
Charging, less than 10% battery remaining.
Charging, 10% to 90% battery remaining.
Charging, at least 90% battery remaining.
If 100% is display
ed next to the battery icon, or a charging complete
message is displayed on the lock screen, the battery is fully charged.
Use Wireless Reverse Charging
Wir
eless reverse charging is supported by devices that support the Wireless Charging
Standard, such as phones, tablets, watches, and bands.
Before using wireless reverse charging, ensure that the battery level of your phone is higher
than 20%.
1 Go to Settings > Battery, and enable Wireless reverse charging.
2 Power on the device to be charged, and place it on the center of the back of your phone.
Do not place any metal objects between your phone and the device to be charged.
3 If the device does not start charging within 5 seconds, adjust its position and try again.
4 If the device to be charged is removed from the phone for more than 2 minutes during
charging, Wireless reverse charging will automatically be disabled.
Reverse Charge with an OTG Cable
On-The-Go (OTG) is a USB transmission technology that allows a phone to directly access
les on a USB ash drive or digital camera, or connect to an external device such as a
k
eyboard or mouse, with the help of an OTG cable.
You can use your phone to charge other devices using an OTG cable.
1 Connect your phone with the device to be charged using an OTG cable.
2 Swipe down from the status bar to open the notication panel, touch T
ouch for more
options, and select Reverse charge.
3 Follow the onscreen instructions on the device to be charged to start charging.
Get Familiar with the Home Screen
Essentials
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