Huawei 8X supports OTG function, and the setup and opening process is as follows:

1. Take Huawei 8X mobile phone as an example, find the "Settings" option in the standby interface, and click Open to enter the next step.

2. On the phone settings page, find the "More Settings" option, and click Open to enter the next step.

3. On the phone more settings page, find the "OTG" option, and click Open to enter the next setting.

4. On the OTG opening page, click the switch button on the right side of OTG to open the OTG function of Huawei 8X mobile phone.