I phone is disabled

You will need to restore the phone using a computer. The process will erase the device. Later you can restore your data from a recent back-up. Instructions here...

If you forgot the passcode on your iPhone, or your iPhone is disabled - Apple Support

If you forgot the passcode on your iPhone, or your iPhone is disabled -

https://support.apple.com/en-us/HT204306

Try the steps here

https://support.apple.com/en-us/HT201412