AiXun T3A Soldering Station V1.29 update

1. Optimize the interface display;

2. Add Fahrenheit Celsius unit switching;

3. Add the first boot language quick selection function;

4. Optimize 936 heating control;

AiXun T3A is the world's first 200w full intelligent soldering station. It's compatible with T12/T245 two handles, and can be applicated to various scenes. It is a must have soldering station especially for cellphone repair shop.