Reverse Charging with an OTG Cable
Applicable products：
HUAWEI Y9a(dual card 8gb+128gb)
Applicable products：
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| Reverse Charging with an OTG Cable |
On-The-Go (OTG) is a USB transmitting technology that allows a phone to directly access files on a USB flash drive or digital camera, or connect to an external device such as a keyboard or mouse, with the help of an OTG cable.
You can use your phone to charge other devices using an OTG cable.
Connect your phone with the device to be charged using an OTG cable.
If another option has been set previously, the dialog box will not pop up. Swipe down from the status bar to open the notification panel, touch Settings, and then select Reverse charge.
Follow the onscreen instructions on the device to be charged to start charging.
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