hi ​@Arunabh 

The following three Zoom support articles may help you to resolve your issue. 

First, make sure that Vivo T2x 5G meets virtual background system requirements.  Second, follow the instructions for changing your virtual background image.  Third, check to see that you have the current Zoom Workplace App version installed.

Zoom virtual background system requirements

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060007

Changing your virtual background image

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060387

Release notes for the Zoom Workplace app

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0061222

thanks,  eliot