Download Minecraft PE 1.16.101 full version for Android you can in this article. Mojang. This version has only 1 fixed bug. Many players complain that they can’t connect to Realms when they play on cellular date. However you can forget about it, because in this version Mojang fixed the bug.
What is new in v.1.16.101?
Players playing on cellular date were not able to connect to Realms. Now it is fixed. Note that this update is only for mobile phones (Android, iOS). This update fixed only one bug. That is all.
Did you check any bug? Let’s report it on official Mojang website. (It is easy to do. Just sign in and write to the public your issue. I am sure that everyone from you see bugs. You can help developer a lot and make our game better.