The IMEI number is a unique 15-digit code given to every smartphone. It can help you locate your phone if it's lost or stolen, or remotely lock it down.

This is because different phone manufacturers have different skins (interfaces). On stock Android for example you have to go to Settings > About Phone > Model & hardware then you’ll find the number.

You won't find a serial number for a Samsung Galaxy S10 on its case — you'll have to go into your phone's software. You can find the serial number in the Settings app by choosing "About phone." You ...

With an Android, you tap Settings and then select About Phone. You'll then see general information about your phone, such as its model name, model number and serial number.