After you press the button Upgrade, then the screen will display the status of the Tamar as below step 7: wait until the upgrade is finished, the GUI will display a new version after upgrade.
After the Upgrade button, the screen will show the status of work as shown. Below Step 7: Wait until the upgrade is completed, the GUI will display the new version after the upgrade.
After hitting Upgrade and screen to show the status of work, as shown in the picture below step 7: wait until upgrade finish. GUI will show a new version after upgrade.