As per the latest information, the update is currently rolling out in the UK with firmware version T595XXS4CUD1. As per the official bulletin, April 2021 security patch for Samsung phones fixes 30 CVE’s (Common Vulnerabilities and Exposures) from Google and 21 CVE’s from Samsung. If you are a Samsung Galaxy Tab A 10.5 user in the UK and still waiting for the April 2021 update, then manually check for the update by heading to Settings » Software updates then tap on “Download and install“. Samsung has also started sending the latest May 2021 security patch. It is the first OEM to release May 2021 security patch and was the first to release April 2021 security patch. The May 2021 security patch has already rolled out for Galaxy S21, Note20, Note20 Ultra, and Galaxy Z Flip 5G. As for the May 2021 security patch, the company has not announced the changelog. So, the list of security issues fixed by the security patch is currently unknown.

Samsung Galaxy Tab A 10 5 receiving April 2021 security patch update - 57