Follow these below steps to upgrade the Bold BI Azure App service to the latest version.
Login to Azure Portal and select the Bold BI Azure App Service in Microsoft Azure Services.
In the Overview section, click Stop.
Choose Deployment Center in the left panel of the Bold BI Azure App service.
Once the deployment center is selected, click Disconnect. Now the deployment panel will open.
Select the External in the source control tab and click Continue.
Then, select the App Service Kudu build server and click Continue.
Now, fill the following details in the Configure tab and click Continue.
Repository - URL
Branch - v3.3.88
Repository Type - Git
Next click Finish option. The Successfully set up deployment notification will be shown in the notification blade.
Once the set up deployment and the status has changed to Success as shown in the following image, select the Sync button in the deployment center blade.
Synchronization request submitted notification is shown in the notification blade and synchronization progress is shown in the deployment options blade.
Please wait until synchronization is completed.
Once the synchronization is completed, click Start option in the Overview section to start the Bold BI Azure App service.