Both the Samsung Galaxy Tab A 8.0 (2019) and the Samsung Galaxy Tab A 10.1 devices have received the the Android 10 update in different regions.
Samsung Galaxy Tab A 8.0 Update
The global LTE variant of the Samsung Galaxy Tab A 8.0 has received the One UI 2.1 update in the XEV region, which is the code used by Samsung to denote Vietnam.
The build number of the new firmware is T295XXU3BTFE, and it bumps the Android security patch level (SPL) to July 2020.
There is another SKU of the Samsung Galaxy Tab A 8.0 that comes with the S Pen. Its LTE variant (model number SM-P205) has also received the stable Android 10/One UI 2.1 update with July 2020 security patches.
At the time of reporting, the OTA with build number P205DXU5BTFB is rolling out in the Philippines. The update delivery process is expected to be scaled up in the coming weeks.
Samsung Galaxy Tab A 10.1 Update
The Exynos 7904-powered Galaxy Tab A 10.1 was launched back in February 2019 with Android Pie onboard.
The LTE variant of the tablet (model number SM-T515) is now getting its first major Android OS update in the form of software version T515XXU4BTFK.
The OTA is available only in Italy as of now. Once again, the Wi-Fi only variant is excluded from the initial rollout.