Method 1: Simple inspection.
Open the "Settings" of the mobile phone and enter the "About Mobile Phone" option. You can see the memory information of the mobile phone, including the running memory. It should be noted that at present, the largest mobile phone on the market only has 3GB of running memory. 2GB of memory is enough for most mobile phone applications and games.
Method 2: Professional software testing
If you want to know more detailed mobile phone hardware parameters, you can use professional hardware testing software, such as Ann Bunny, Master Lu, Master 360 and so on. Take the 360 optimizer as an example, download and open the software, and select the "Hardware" option to see the running memory size of the mobile phone and more hardware information.