specific steps are as follows
Obtain the following documents: Huawei mobile phone.
Take Huawei p10 mobile phone as an example:
1. First, turn on your Huawei mobile phone and click \"Security and Privacy\" in the phone Settings.
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2, then click on the pop-up window to open \"More security Settings\".
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3, then click in the pop-up window to open the switch behind \"unknown source application download\".
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