Update README

README.md

@@ -6,6 +6,7 @@
 
 - The TinyGSM used in the example is a [fork](https://github.com/lewisxhe/TinyGSM) to support A7670,A7608,SIM7672G,SIM7670G, If you use the master branch, the compilation will not go smoothly
 - A7670G/A7670E/A7670SA are collectively referred to as A7670X
+- A7672G is exactly the same as A7670G. A7672G is just another name.
 - A7608SA-H/A7608E-H,A7608E,A7608SA are collectively referred to as A7608X
 - **SIM7672G** and **SIM7670G** are exactly the same, except for the name change , The readme file indicates these two models with **SIM767X**
 - **SIM7670G** uses the **Qualcomm** platform, **A7670x** uses the **Asrmicro** platform.