Press “About phone” menu. You’ll see detailed data for your smartphone or any other Android 9 device such as : model, model number, serial number etc. You will also see SIM card data such as: IMEI, phone number, etc. Press “Status” for more detailed information.
After you hit “Status” you can see detailed data for these features:
Wi-FI Mac address.
Sim card status.
Device serial number.
Device up time.
Phone status (official firmware or root firmware).
Hit “Sim card status” to get info about:
Network (mobile network, carrier).
Mobile network state.
Mobile voice and data network type such as 4G (LTE), 3G, 2G etc.
And also whether the network is in Roaming mode or not.
IMEI Information gives you the IMEI number or numbers (if there is more than one sim card slot).
To get detailed info about Android firmware just repeat the steps 1,2,3 we specified above and press Software information. There you will find detailed information about the version of Android you have installed.