Huawei P9lite UBS OTG FIX (I want sound from usb to DAC/amplifier)

Great h/set but not happy it does not support OTG. I see if I root my device there is a fix for it. I have called customer support for a bootloader unlock code.

The issue is mobile banking and other apps do not work on rooted devices. If I root my device to connect my DAC/amplifier can I un-root easily to go back to using it as normal?

Thx

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