2 Mid-range devices (like moto g) support OTG with pen drive but don’t detect external HDD formatted with NTFS and HFS+. The app is free on Google play and does not need ROOT.

How to format USB Drive With Xiaomi & latest Android devices like poco f3 mi and redmi phones this method we gonna let you know may also work well with the latest android devices you can also use this to re-format a corrupted USB thumb drive sometimes USB flash drives got unusable by many reasons like wrongly or unformat state & A strange file system can also make your USB thumb drive unstable and almost unusable For example if you gonna use your USB drive with android phone and that drive is the format with APFS (apple file system) or formatted by iso tools like for burying Linux images and iso files then you won’t get it to work so for that you need to format the drive, in that case, most android phones will show up the notification that the drive you are trying to use is corrupt or unusable simply tap on that notification and that will lead you to the format process of that specific drive. To find out, if your device supports OTG or not, you can use USB OTG Helper.

How to format usb drive to use on otg