The Apple ID say example1@icloud.com exists on server and you know the password and its account credentials , however that is signed in the device iPhone .
Yet it is verified in the account , visit your cellular service centre with personal identification proofs .
Issue a sim on behalf of the same number and insert the sim Set up cellular service on iPhone - Apple Support
In a new iPhone that is purchased Turn on and set up iPhone - Apple Support
The Apple ID and password is active .
You have to set up new iPhone Set up your iPhone, iPad, or iPod touch - Apple Support
Set up iCloud on your iPhone, iPad, or iPod touch - Apple Support
Sign in with your Apple ID - Apple Support
And then remove the device from iCloud.com see the article Remove a device from Find My iPhone on iCloud.com - Apple Support
Note : your old device is broken , might the sim also get damaged , but the Apple ID account is active on the server .