System Version: Color 7
Mobile phone: OPPO R 1 1
Otg function
Step 1: open OPPO R 1 1 mobile phone, find the mobile phone settings, and click enter, as shown in the figure.
Step two. After entering the settings, find the "More" setting and click Enter, as shown in the figure.
Step 3: Open OTG on the more settings page, as shown in the figure.
Step 4: Open OTG's storage space with OPPO R 1 1 mobile phone, as shown in the figure.