Hi Muhammad Usman,
We have reviewed you query and currently, we don’t have support to modify the order of the UpDown button in SfNumerciEntry, so we created a feature request to "Allow Customization of Up/Down Button Order in SfNumericEntry in .NET MAUI". Please find the link below to track the status of the feature implementation.
Please cast your vote to make it count. We will prioritize the features every release based on the demands, and we do not have an immediate plan to implement this feature since we have committed to already planned work. So, this feature will be available in any of our upcoming releases.
If you have any more specifications/suggestions for the feature request, you can add them as a comment in the portal. We will share the release details in the feedback itself.