Where to get the APK files to reinstall the Barcode Scan HID Service app

Where can I get the APK files to reinstall the Barcode Scan HID Service app?

• Assets Mobile 

• Inventory Mobile 

App was removed during factory reset 

Android OS Version 8

• https://www.handheldgroup.com/knowledge-base/enable-nautiz-x6-scanner-functionality/

Android OS Version 11 

• https://www.handheldgroup.com/knowledge-base/nautiz-x6-v2-barcode-scanner-expansion/

Barcode Scan HID Service app comes preinstalled on scanner 

How to get the latest version of the Assets Mobile or Inventory Mobile App