Please tell us some basic information before asking for help:
Model Name:asus zenfone max pro m2
Firmware Version:
Rooted or not: no
Latest updated version
=======================================Earlier the otg pendrive used
to work fine but now only pop up that comes is of reverse charging and no notification regarding usb connected and I am not able to locate external stirage in file manager as well (the pendrive and otg are fine as I tested them in another device )
Also I tried connecting a mouse using otg it also works but not the pendrive
Am I the only one facing this issue