The latest build for Honor Play 9A is rolling out in China with software version 3.1.0.181. The changelog does not mention any other changes apart from security improvements.  Honor Play 9A users in China who are still waiting for the latest build can manually check the status by heading to Settings » System & updates » Software update » Check for updates. You can also update your Honor smartphone using the Support app. For this, navigate to Support app » Services » Update » Check for updates. Device: Honor Play 9A Version: 3.1.0.181  Region: China Changelog: [Security] Integrates Android security patches released in February 2021 for improved system security. [via]

Honor Play 9A gets February 2021 security patch update - 11