The iPhone Xs is a cutting-edge and effective iPhone. It is still one of the best small phones accessible right now. It is the best opportunity to sell your iPhone Xs right now because you can still earn a lot of money for your iPhone Xs.
Go to your mobile device's settings. Next, click on the About tab under the General tab.
You will then see serial numbers. The IMEI/MEID and ICCID are visible if you scroll down.
Copy this I'd by clicking it and tapping it briefly. Then, paste it into the Apple support or register forms.
Of course, you can trade or sell phone your iPhone, and in exchange you may purchase a new iPhone. Also, discard your old one, and move on with your life. The more economical the choice is to sell your old iPhone or trade in directly to Smart Cellular
Here is the list of the models which you can trade IN.