After you manually set the phone to data transfer mode (or another option), the system automatically switches to the reverse charging option. This is because the phone needs to supply power to the USB flash drive (or OTG) so that the USB flash drive can work properly. This is normal and does not affect the data transfer. Solution:

Thia is the USB OTG test of Huawei Honor 8 Lite!Join me on Social media: Twitter:

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honor 10 lite otg support