we have been given a private app to deploy to many devices, when trying to upload to private apps sections in the managed google play from sophos mobile apps we receive the error "Upload a new APK file with a different package name" this appl has been given to us by a developer, the devices are Android Enterprise Fully managed devices.
Please understand that the app's package name must be globally unique in Google Play (not just unique within your enterprise or Google Play Developer account). Otherwise, you will receive the Upload a new APK file with a different package name error.