What is the difference between the htc sense interface and the HTC Sense2.1 interface? What is the difference between HTC Sense, HTC Sense2.1 and HTC Sense3.0?

HTC Sense is the name of a user interface launched by HTC

Sense2.1 is a version of it

3.0 is new and is used for configuration A very high flagship phone

Because sense3.0 consumes a lot of memory, but it is very beautiful and supports many special effects, lock screen, and weather are different from 2.1

But some configurations are better For HTC G12, G11, etc., you can also use sense 3.0 by flashing ROM