You'll have to restore your phone. This link will walk you through the steps: If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled - Apple Support
ive forgot the id password and the trusted number does not exist anymore.
2 replies
The device is useless unless you can turn off the 'Find My Device' feature.
Return it for a refund, remember the username and password, or use it as an expensive paperweight.
activation lock