1. Click \"Settings\
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2. Return to the Settings TAB and find Developer Options.
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3. Click \"Developer Options\
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1. First connect the phone to the computer with a USB data cable.
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2, there is a small fork on the screen, press and hold the top of the screen to pull down.
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3. Select other USB options to display.
Methods\/Steps:
1. Go to the Huawei mobile phone desktop and tap Settings
2. After the second step go in and set up, then click on the bottom of System and Update
3. After Step 3, click the Developer option
4. After step 4, click Select usb Configuration
5. Click on the fifth step, select Charge only, and set the usb only charge of Huawei mobile phone, as required