Before you update to Version 2.5.1, make sure you already have Version 2.5.0.
Next - Go to Update, click on the Download button. Once downloaded, click on the update button. If you are getting error during download or update, please navigate to https://auth.scriptmint.com & download the update zip file from your purchase detail page.
Clear domain cache & cookie after updation. If you cache/cookie is not cleared, you might get loading screen every time.
Updates in Version 2.5.1