Battery Settings
Applicable products：
HUAWEI Y9 Prime 2019(dual sim card 4gb+64gb、dual sim card 4gb+128gb、dual card 4gb+128gb)，HUAWEI P smart Z(huawei y9 prime 2019 dual sim card 4gb+128gb)
Applicable products：
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| Battery Settings |
You can also set whether to display the battery percentage in the status bar, and whether to maintain a network connection when the device screen is turned off.
Display Battery Percentage on the Status Bar
Go to 
(or 
Optimiser > 
), touch Battery percentage, and choose to display the battery percentage, either inside or outside of the battery icon on the status bar.
Stay Connected while Your Device is Sleeping
If you would like your device to continue to receive messages or download data while it is in sleep mode, set to keep your device connected when it sleeps. Please note that this may increase power consumption.
On the Battery screen, touch More battery settings, then enable or disable Stay connected when device sleeps as required.
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