Android Mobile App Offline Defect

I submitted feedback on this as well, but want to post this here. We are Zoho Partner testing Zoho Docs for a client's use case. I'm testing Zoho Docs Mobile Apps on the following Android devices (functionality works perfectly on iOS):

Device 1:

Samsung Galaxy S9

Android 9.0

Kernel Version 4.9.112

One UI Version 1.0

Device 2:

Samsung Galaxy S8

Android 8.0

Kernel Version 4.4.78-15104926

Samsung Experience Version 9.0

Here is what is happening:

Files were loaded in the WEB/DESKTOP experience
Files were synced to the mobile app
We manually set files to "offline"
We set phone to "airplane mode" and tried manually turning off data
EVERYTIME, we get the following error: "Error in opening file. Check for network or free some space in your memory
We can try this on older versions of Android if we can find one

App settings:

Offline Storage: 250MB
Cache Storage: Unlimited

Anyone else seeing this? Works just fine on the latest iOS on an iPhone 6sPlus

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