@Aravindan D Thanks for posting in our Q&A.
Vivo Y28S 5G is a supported device. For this issue, we appreciate your help to collect some information:
1.Please check if Managed Google Play connect is green and the Last sync time is recently under Tenant admin > Connectors and tokens >Managed Google Play in Intune portal.
2.The user account you used to enroll this device has an Intune license.
3.Make sure there is no device enrollment restriction about Android enterprise. And this device doesn't exist in Entra ID portal and Intune portal.
4.Check if any work profile existing on this device. (Not sure the specific location, usually under Settings, please try to find it.) Remove it.
If there is anything update, feel free to let us know.
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