That looks like a Mini 2. Have you enabled (and tested) your app for that device type?
Correction: it might actually be a later design of a Mini 1. Get the device serial from the merchant.
Yes I verified it's set for that device type, and it's signed correctly for that device type, and the min SDK is set correctly. I verified you don't have any merchant groups overriding them to install an older version. If you want to have them try the install and then do Help > Diagnostics > Send Logs I can see if I see anything.
Hi, @spsolutions — apologies for the delayed response.
I was able to reproduce the install error you encountered and I filed a ticket to have our engineers investigate further. Can you please provide the serial number of the Mini 2 that you're experiencing this issue on? Thanks!
I verified your app was already set for Mini 2 and there and tested installing it myself, so that was not the issue.
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