Question Why usb otg pendrive is not mounted under /storage using android 10 as it is when using an android 8.1 device? - General Questions and Answers

Hi to all.
I have three android devices:
1) a rooted asus me302kl modded with nitrogen os (android 8.1)
2) a stock not rooted moto g5 with android 8.1
3) a stock not rooted xiaomi redmi 9 pro with android 10
When I connect an usb pendrive under the first two devices it is mounted under /storage/[uidd] (being [uidd] replaced by the uid of the pendrive lihe 1234-5678) and I can access and modify its contents from within every app I'm using.
When I connect the same pendrive under the third device (the one with android 10), the pendrive is not mounted under /storage/[uidd] and even if I can use a file browser to navigate it, a lot of apps I'm using do not see the pendrive as available and so became useless.
Is it possible to recreate under android 10 the same behavior of android 8.1 so that when a pendrive is connected it is mounted under /storage/[uidd]? Is it an operating system bug?

Mirror:
Why usb otg pendrive is not mounted under /storage using android 10 as it is when using an android 8.1 device?
Hi to all. I have three android devices: 1) a rooted asus me302kl modded with nitrogen os (android 8.1) 2) a stock not rooted moto g5 with android 8.1 3) a stock not rooted xiaomi redmi 9 pro with android 10 When I connect an usb pendrive under the first two devices it is mounted under...
xiaomi.eu

jwoegerbauer said:
Mirror:
Why usb otg pendrive is not mounted under /storage using android 10 as it is when using an android 8.1 device?
Hi to all. I have three android devices: 1) a rooted asus me302kl modded with nitrogen os (android 8.1) 2) a stock not rooted moto g5 with android 8.1 3) a stock not rooted xiaomi redmi 9 pro with android 10 When I connect an usb pendrive under the first two devices it is mounted under...
xiaomi.eu
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Is it a problem to do the same question to the OEM too?

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How USB / USB-OTG is implemented is hardware specific, the related drivers are NOT part of Android OS itself, they are provided by OEM.
jwoegerbauer said:
How USB / USB-OTG is implemented is hardware specific, the related drivers are NOT part of Android OS itself, they are provided by OEM.
Click to expand...
Click to collapse
so fot you the only way to have it is to restore stock rom from Huawei?
USB OTG CHECKER app you ran told you the USB-hardware build into phone doesn't support USB-OTG. So what should be the reason to re-flash phone's stock ROM?
jwoegerbauer said:
USB OTG CHECKER app you ran told you the USB-hardware build into phone doesn't support USB-OTG. So what should be the reason to re-flash phone's stock ROM?
Click to expand...
Click to collapse
Sorry but i put stock Huawei android 8 and now USB OST CHECKER app say that is compatible.
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